Oracle ZFS Storage Appliance: When Starting Oracle Databases after doing an OS Upgrade on a Cluster, we receive many "lost lock" errors
(Doc ID 2385833.1)
Last updated on AUGUST 15, 2019
Applies to:Oracle ZFS Storage ZS5-2 - Version All Versions and later
Oracle ZFS Storage ZS5-4 - Version All Versions and later
Oracle ZFS Storage ZS4-4 - Version All Versions and later
Oracle ZFS Storage ZS3-4 - Version All Versions and later
Oracle ZFS Storage ZS3-2 - Version All Versions and later
7000 Appliance OS (Fishworks)
When starting Oracle Databases after doing an OS upgrade on the cluster, we received many "lost lock" errors and then the databases crashed.
We've had this issue the last three times we upgraded our ZFSSA Clusters. It happens on ALL of them. It seems a failover and failback of cluster nodes results in this issue.
Upgrades include live upgrade of LDOMs and Appliance kit upgrade of the ZFS appliance that serves the LDOM; problem had been seen on multiple upgrades and did not appear to be tied to any particular OS or AK update version.
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