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Linux: After Applied OS Patches the OCSSD Cannot Find the Multipath Voting Devices (Doc ID 2176578.1)

Last updated on DECEMBER 20, 2022

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Generic Linux

Symptoms

After applied OS patches, OCSSD can't find the voting devices configured under /dev/mapper/*:

[cssd(28138)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /xxxx/cssd/ocssd.log
2016-08-25 05:26:15.029:
[cssd(28138)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /xxxx/cssd/ocssd.log
2016-08-25 05:26:30.035:
[cssd(28138)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /xxxx/cssd/ocssd.log
2016-08-25 05:26:43.841:
[/xxxx/bin/cssdagent(28050)]CRS-5818:Aborted command 'start' for resource 'ora.cssd'. Details at (:CRSAGF00113:) {0:47:24} in /xxxx/agent/ohasd/oracssdagent_root/oracssdagent_root.log.
2016-08-25 05:26:43.841:
[cssd(28138)]CRS-1656:The CSS daemon is terminating due to a fatal error; Details at (:CSSSC00012:) in /xxxx/cssd/ocssd.log

 

Device mapper packages were updated:

[root@node1]# grep mapper yum.log
Aug 24 16:08:30 Updated: device-mapper-persistent-data-0.6.2-0.1.rc7.el6.x86_64
Aug 24 16:08:52 Updated: device-mapper-libs-1.02.117-7.el6_8.1.x86_64
Aug 24 16:08:53 Updated: device-mapper-1.02.117-7.el6_8.1.x86_64
Aug 24 16:08:53 Updated: device-mapper-event-libs-1.02.117-7.el6_8.1.x86_64
Aug 24 16:08:53 Updated: device-mapper-event-1.02.117-7.el6_8.1.x86_64
Aug 24 16:08:55 Updated: device-mapper-multipath-libs-0.4.9-93.el6.x86_64
Aug 24 16:09:37 Updated: device-mapper-multipath-0.4.9-93.el6.x86_64

 

The DM device's permission was reverted back to root:disk

lrwxrwxrwx 1 root root 7 Aug 25 22:02 CRS_OCRVD_01 -> ../dm-3
lrwxrwxrwx 1 root root 7 Aug 25 22:02 CRS_OCRVD_02 -> ../dm-4
lrwxrwxrwx 1 root root 7 Aug 25 22:02 CRS_OCRVD_03 -> ../dm-2

brw-rw---- 1 root disk 253, 2 Aug 25 22:02 /dev/dm-2  <<== HERE
brw-rw---- 1 root disk 253, 3 Aug 25 22:02 /dev/dm-3
brw-rw---- 1 root disk 253, 4 Aug 25 22:02 /dev/dm-4

 

 

Cause

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In this Document
Symptoms
Cause
Solution


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