<div dir="ltr">Thank you Andreas. <div>Are you aware of any paid engagements/support for requests like these to get changes done quickly? </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 24 Jan 2024 at 20:52, Andreas Dilger <<a href="mailto:adilger@whamcloud.com">adilger@whamcloud.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



<div style="overflow-wrap: break-word;">
This is more like a bug report and should be filed in Jira.
<div>That said, no guarantee that someone would be able to </div>
<div>work on this in a timely manner.<br>
<div><br>
<blockquote type="cite">
<div>On Jan 24, 2024, at 09:47, Backer via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank">lustre-discuss@lists.lustre.org</a>> wrote:</div>
<br>
<div>
<div dir="ltr">Just pushing it on to the top of inbox :)  Or is there any other distribution list that is more appropriate for this type of questions? I am also trying devel mailing list. </div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, 21 Jan 2024 at 18:34, Backer <<a href="mailto:backer.kolo@gmail.com" target="_blank">backer.kolo@gmail.com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Just to clarify. OSS-2 is completely powered off (hard power off without any graceful shutdown) before start working on OSS-3. <br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, 21 Jan 2024 at 12:12, Backer <<a href="mailto:backer.kolo@gmail.com" target="_blank">backer.kolo@gmail.com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi All,<br>
<div><br>
</div>
<div>I am seeing a behavior with tunefs.lustre. After changing the failover node and trying to mount an OST, getting getting the following error: </div>
<div><br>
</div>
<div>
<div style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;margin:0px">
<span style="font-variant-ligatures:no-common-ligatures">The target service's index is already in use. (/dev/sdd)</span></div>
<div style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;margin:0px">
<span style="font-family:Arial,Helvetica,sans-serif;font-size:small;color:rgb(34,34,34)"><br>
</span></div>
<div style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;line-height:normal;margin:0px">
After the above error, and performing --writeconf once, I can repeat these steps (see below) any number of times and any OSS without --writeconf. </div>
<div style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;line-height:normal;margin:0px">
<br>
</div>
<div style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;margin:0px">
<span style="font-family:Arial,Helvetica,sans-serif;font-size:small;color:rgb(34,34,34)">This is an effort to mount an OST to a new OSS. I reproduced this issue after simplifying some steps and reproducing the behavior (see below) consistently. I was
 wondering if anyone could help me to understand this? </span><br>
</div>
</div>
<div><br>
</div>
<div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# lctl list_nids</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# mkfs.lustre --reformat<span> 
</span>--ost --fsname="testfs" --index="64"<span>  </span>--mgsnode "10.99.101.6@tcp1" --mgsnode "10.99.101.7@tcp1" --servicenode "10.99.101.18@tcp1" "/dev/sdd"</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs:OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">device size = 51200MB</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">formatting backing filesystem ldiskfs on /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>target name
<span>  </span>testfs:OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>kilobytes
<span>    </span>52428800</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>options<span>       
</span>-J size=1024 -I 512 -i 69905 -q -O extents,uninit_bg,mmp,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E resize="4290772992",lazy_journal_init="0",lazy_itable_init="0" -F</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">mkfs_cmd = mke2fs -j -b 4096 -L testfs:OST0040<span> 
</span>-J size=1024 -I 512 -i 69905 -q -O extents,uninit_bg,mmp,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E resize="4290772992",lazy_journal_init="0",lazy_itable_init="0" -F /dev/sdd 52428800k</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Writing CONFIGS/mountdata</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# tunefs.lustre --dryrun /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs:OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">exiting before disk write.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# tunefs.lustre --erase-param failover.node --servicenode 10.99.101.18@tcp1 /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs:OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Writing CONFIGS/mountdata</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# mkdir /testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# mount -t lustre /dev/sdd<span> 
</span>/testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">mount.lustre: increased '/sys/devices/platform/host5/session3/target5:0:0/5:0:0:1/block/sdd/queue/max_sectors_kb' from 1024 to 16384</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]# tunefs.lustre --dryrun /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1002</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1002</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">exiting before disk write.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-2 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
<span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small">Going over to OSS-3 and trying to mount OST. </span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]# lctl list_nids<span> </span></span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">10.99.101.19@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small">Parameters looks same as OSS-2</span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#<span> 
</span>tunefs.lustre --dryrun /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1002</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1002</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">exiting before disk write.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small">Changing failover node to current node.</span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]# tunefs.lustre --erase-param failover.node --servicenode 10.99.101.19@tcp1 /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1002</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.18@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1042</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.19@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<br>
</div>
<div><waits here for MPP time out (multi mount protection></div>
<div><br>
</div>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</p>
<div>After it completes the write, for some reason this OST is being marked as 'first_time' flag 0x1062 in next command. </div>
<div><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#<span> 
</span>tunefs.lustre --dryrun /dev/sdd</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">checking for existing Lustre data: found</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Read previous values:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs-OST0040</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.19@tcp1</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span>  
</span>Permanent disk data:</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Target: <span>
    </span>testfs:OST0040</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Index:<span>     
</span>64</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Lustre FS:<span> 
</span>testfs</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Mount type: ldiskfs</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Flags:<span>     
</span>0x1062</span></div>
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<span style="font-variant-ligatures:no-common-ligatures"><span>             
</span>(OST first_time update no_primnode )</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Persistent mount opts: ,errors=remount-ro</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">Parameters:<span> 
</span>mgsnode=10.99.101.6@tcp1:10.99.101.7@tcp1 failover.node=10.99.101.19@tcp1</span></div>
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<span style="font-variant-ligatures:no-common-ligatures"></span><br>
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<span style="font-variant-ligatures:no-common-ligatures">exiting before disk write.</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#<span> </span></span></div>
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<span style="font-variant-ligatures:no-common-ligatures"></span><br>
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<span style="font-variant-ligatures:no-common-ligatures"></span><br>
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<div>Mount doesn't work here because it is marked as first time and this OST is not first time as it was already mounted using OST-2 OSS, and MGS knows about it. </div>
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<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#<span> 
</span>mkdir /testfs-OST0040</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]# mount -t lustre /dev/sdd<span> 
</span>/testfs-OST0040</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">mount.lustre: mount /dev/sdd at /testfs-OST0040 failed: Address already in use</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">The target service's index is already in use. (/dev/sdd)</span></div>
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<span style="font-variant-ligatures:no-common-ligatures">[root@OSS-3 opc]#<span> </span></span></div>
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<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
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<span style="font-variant-ligatures:no-common-ligatures">From here, if I do tunefs.lustre with --writeconf, it works. Once this is done, repeating the above experiment any number of times on any servers works fine as expected without using --writeconf.
 (FYI Note: --writeconfig is mentioned as a dangerous command)</span></div>
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<span style="font-variant-ligatures:no-common-ligatures"></span><br>
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_______________________________________________<br>
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<div>Cheers, Andreas</div>
<div>--</div>
<div>Andreas Dilger</div>
<div>Lustre Principal Architect</div>
<div>Whamcloud</div>
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