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<p>The individual LUN looks good but the controller is showing
amber, which is confusing us. However other LUN's going through
that controller are mounting fine.</p>
<p>-Paul Edmon-<br>
</p>
<div class="moz-cite-prefix">On 7/20/2022 3:08 PM, Colin Faber
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAJcXmBmg65+YUF6vgWOew7wD05btuVz5nDJqwaByehzMcxv+YA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">raid check?</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Jul 20, 2022, 12:41 PM
Paul Edmon <<a href="mailto:pedmon@cfa.harvard.edu"
moz-do-not-send="true" class="moz-txt-link-freetext">pedmon@cfa.harvard.edu</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<p>[root@holylfs02oss06 ~]# mount -t ldiskfs
/dev/mapper/mpathd /mnt/holylfs2-OST001f<br>
mount: wrong fs type, bad option, bad superblock on
/dev/mapper/mpathd,<br>
missing codepage or helper program, or other error<br>
<br>
In some cases useful info is found in syslog - try<br>
dmesg | tail or so.<br>
<br>
</p>
<p>e2fsck did not look good:</p>
<p>[root@holylfs02oss06 ~]# less OST001f.out<br>
ext2fs_check_desc: Corrupt group descriptor: bad block for
block bitmap<br>
e2fsck: Group descriptors look bad... trying backup
blocks...<br>
MMP interval is 10 seconds and total wait time is 42
seconds. Please wait...<br>
Superblock needs_recovery flag is clear, but journal has
data.<br>
Recovery flag not set in backup superblock, so running
journal anyway.<br>
Clear journal? no<br>
<br>
Block bitmap for group 8128 is not in group. (block
3518518062363072290)<br>
Relocate? no<br>
<br>
Inode bitmap for group 8128 is not in group. (block
12235298632209565410)<br>
Relocate? no<br>
<br>
Inode table for group 8128 is not in group. (block
17751685088477790304)<br>
WARNING: SEVERE DATA LOSS POSSIBLE.<br>
Relocate? no<br>
<br>
Block bitmap for group 8129 is not in group. (block
2193744380193356980)<br>
Relocate? no<br>
<br>
Inode bitmap for group 8129 is not in group. (block
4102707059848926418)<br>
Relocate? no<br>
</p>
<p>It continues at length like that.</p>
<p>-Paul Edmon-<br>
</p>
<div>On 7/20/2022 2:31 PM, Colin Faber wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">Can you mount the target directly with -t
ldiskfs ?
<div dir="auto"><br>
</div>
<div dir="auto">Also what does e2fsck report?</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Jul 20, 2022,
11:48 AM Paul Edmon via lustre-discuss <<a
href="mailto:lustre-discuss@lists.lustre.org"
target="_blank" rel="noreferrer"
moz-do-not-send="true" class="moz-txt-link-freetext">lustre-discuss@lists.lustre.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">We
have a filesystem that we have running Lustre 2.10.4
in HA mode using <br>
IML. One of our OST's had some disk failures and
after reconstruction <br>
of the RAID set it won't remount but gives:<br>
<br>
[root@holylfs02oss06 ~]# mount -t lustre
/dev/mapper/mpathd <br>
/mnt/holylfs2-OST001f<br>
Failed to initialize ZFS library: 256<br>
mount.lustre: missing option mgsnode=<nid><br>
<br>
The weird thing is that we didn't build this with ZFS,
the devices are <br>
all ldiskfs. We suspect some of the data is corrupt
on the disk but we <br>
were wondering if anyone had seen this error before
and if there was a <br>
solution.<br>
<br>
-Paul Edmon-<br>
<br>
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</blockquote>
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</blockquote>
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