<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>On the oss can you ping the mds/mgs using this command--</div><div><br class="webkit-block-placeholder"></div><div>lctl ping 132.66.176.211@tcp0</div><div><br class="webkit-block-placeholder"></div><div>If it doesn't ping, list the nids on each node by running</div><div><br class="webkit-block-placeholder"></div><div>lctl list_nids</div><div><br class="webkit-block-placeholder"></div><div>and tell me what comes back.</div><div><br class="webkit-block-placeholder"></div><div>-Aaron</div><div><br class="webkit-block-placeholder"></div><br><div><div>On Dec 23, 2007, at 9:22 AM, Avi Gershon wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span style="color: rgb(255, 0, 0);">HI I could use some help.</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">I installed lustre on 3 computers </span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);"> mdt/mgs :</span><br><br>************************************************************************************8<br>[root@x-math20 ~]#mkfs.lustre --reformat --fsname spfs --mdt --mgs /dev/hdb<br><br> Permanent disk data:<br> Target: spfs-MDTffff<br>Index: unassigned<br>Lustre FS: spfs<br>Mount type: ldiskfs<br>Flags: 0x75<br> (MDT MGS needs_index first_time update )<br>Persistent mount opts: errors=remount-ro,iopen_nopriv,user_xattr <br>Parameters:<br><br>device size = 19092MB<br>formatting backing filesystem ldiskfs on /dev/hdb<br> target name spfs-MDTffff<br> 4k blocks 0<br> options -J size=400 -i 4096 -I 512 -q -O dir_index -F <br>mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-MDTffff -J size=400 -i 4096 -I 512 -q -O dir_index -F /dev/hdb<br>Writing CONFIGS/mountdata<br>[root@x-math20 ~]# df<br>Filesystem 1K-blocks Used Available Use% Mounted on <br>/dev/hda1 19228276 4855244 13396284 27% /<br>none 127432 0 127432 0% /dev/shm<br>/dev/hdb 17105436 455152 15672728 3% /mnt/test/mdt<br>[root@x-math20 ~]# cat /proc/fs/lustre/devices <br> 0 <span style="color: rgb(51, 204, 0);">UP mgs MGS MGS 5</span><br> 1 UP mgc MGC132.66.176.211@tcp 5f5ba729-6412-3843-2229-1310a0b48f71 5<br> 2 UP mdt MDS MDS_uuid 3<br> 3 UP lov spfs-mdtlov spfs-mdtlov_UUID 4<br> 4 UP mds spfs-MDT0000 spfs-MDT0000_UUID 3<br>[root@x-math20 ~]#<br>*************************************************************end mdt******************************8<br><span style="color: rgb(255, 0, 0);">so you can see that the MGS is up </span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">ond on the ost's I get an error!! plz help...</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);"> ost:</span><br>**********************************************************************<br>[root@x-mathr11 ~]# mkfs.lustre --reformat --fsname spfs --ost --mgsnode=132.66. 176.211@tcp0 /dev/hdb1<br><br> Permanent disk data: <br>Target: spfs-OSTffff<br>Index: unassigned<br>Lustre FS: spfs<br>Mount type: ldiskfs<br>Flags: 0x72<br> (OST needs_index first_time update )<br>Persistent mount opts: errors=remount-ro,extents,mballoc <br>Parameters: mgsnode=132.66.176.211@tcp<br><br>device size = 19594MB<br>formatting backing filesystem ldiskfs on /dev/hdb1<br> target name spfs-OSTffff<br> 4k blocks 0<br> options -J size=400 -i 16384 -I 256 -q -O dir_index -F <br>mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-OSTffff -J size=400 -i 16384 -I 256 -q -O dir_index -F /dev/hdb1<br>Writing CONFIGS/mountdata<br>[root@x-mathr11 ~]# /CONFIGS/mountdata<br>-bash: /CONFIGS/mountdata: No such file or directory <br>[root@x-mathr11 ~]# mount -t lustre /dev/hdb1 /mnt/test/ost1<br><span style="color: rgb(255, 0, 0);">mount.lustre: mount /dev/hdb1 at /mnt/test/ost1 failed: Input/output error</span><br style="color: rgb(255, 0, 0);"> <span style="color: rgb(255, 0, 0);">Is the MGS running?</span><br>***********************************************end ost********************************<br><br><span style="color: rgb(255, 0, 0);">can any one point out the problem? </span><br>thanks Avi.<br><br><br> _______________________________________________<br>Lustre-discuss mailing list<br><a href="mailto:Lustre-discuss@clusterfs.com">Lustre-discuss@clusterfs.com</a><br>https://mail.clusterfs.com/mailman/listinfo/lustre-discuss<br></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div>Aaron Knister</div><div>Associate Systems Administrator/Web Designer</div><div>Center for Research on Environment and Water</div><div><br class="khtml-block-placeholder"></div><div>(301) 595-7001</div><div><a href="mailto:aaron@iges.org">aaron@iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></div></span> </div><br></body></html>