PCA OCFS2 FS Corruption Cause The Compute Node To Hang And Lot Processes In D State (Doc ID 2582251.1)

Last updated on JULY 14, 2020

Applies to:

Symptoms

From output of the multipath command from compute node:

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# multipath -ll 3600144f0926a067f00005be088810008
3600144f0926a067f00005be088810008 dm-4 SUN,ZFS Storage 7350
size=10T features='0' hwhandler='1 alua' wp=rw
'-+- policy='round-robin 0' prio=0 status=enabled
'- 14:0:0:13 sdi 8:128 failed faulty running

From AdminServer.lgo file from the active management node:

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####<2019-08-23T06:23:47.781+0200> <Info> <com.oracle.ovm.mgr.event.ovs.Storage> <ovcamn05r1> <AdminServer> <EventProcessor-5> <> <> <e3c3f743-8a1a-4c3f-8417-cc9f599aa141-00000004> <1566534227781> <BEA-000000> <Server: ovcacn28r1, finished processing storage notification: Aug 23 06:23:46 {STORAGE} [CHANGE_DM_SD] (dm-13) 3600144f0926a067f00005c508b380011-14:0:0:27 (failed:iqn.1986-03.com.sun:02:71961d53-82b1-4595-e712-9a64586b5462,2:3600144f0926a067f00005c508b380011)>
####<2019-08-23T06:23:48.807+0200> <Info> <com.oracle.ovm.mgr.event.ovs.Storage> <ovcamn05r1> <AdminServer> <EventProcessor-5> <> <> <e3c3f743-8a1a-4c3f-8417-cc9f599aa141-00000004> <1566534228807> <BEA-000000> <Server: ovcacn31r1, finished processing storage notification: Aug 23 06:23:47 {STORAGE} [CHANGE_DM_SD] (dm-16) 3600144f0926a067f00005be08b63000c-13:0:0:21 (failed:iqn.1986-03.com.sun:02:71961d53-82b1-4595-e712-9a64586b5462,2:3600144f0926a067f00005be08b63000c)>

  Dry File System check on the OCFS2 disk:

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# fsck.ocfs2 -fn /dev/sdc
fsck.ocfs2 1.8.6
Checking OCFS2 filesystem in /dev/sdc:
Label: OVS64dd4e49e4a52
UUID: 0004FB000005000064364DD4E49E4A52
Number of blocks: 2603824128
Block size: 4096
Number of clusters: 10171188
Cluster size: 1048576
Number of slots: 32

** Skipping journal replay because -n was given. There may be spurious errors that journal replay would fix. **
** Skipping slot recovery because -n was given. **
/dev/sdc was run with -f, check forced.
Pass 0a: Checking cluster allocation chains
Pass 0b: Checking inode allocation chains
Pass 0c: Checking extent block allocation chains
Pass 1: Checking inodes and blocks
Pass 2: Checking directory entries
[DX_TREE_MISSING] Directory 514 is missing index. Rebuild? n  =======>> Dry run shows there are some indexes missing
Pass 3: Checking directory connectivity
Pass 4a: Checking for orphaned inodes
Pass 4b: Checking inodes link counts
All passes succeeded.

Changes

 N/A

Cause

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