Bug 32387370 ZFS Storage Appliance Failback Hangs While Exporting Resources to Other Head
(Doc ID 2748266.1)
Last updated on JUNE 13, 2022
Applies to:Oracle ZFS Storage Appliance Racked System ZS7-2 Mid-Range - Version All Versions and later
Sun ZFS Storage 7120 - Version All Versions and later
Oracle ZFS Storage ZS4-4 - Version All Versions and later
Oracle ZFS Storage Appliance Racked System ZS4-4 - Version All Versions and later
Enclave ZFS Block Storage ZS4-4 - Version All Versions and later
7000 Appliance OS (Fishworks)
All ZFS Storage Appliance Products, Exceptions Noted Below.
Cluster failback can hang while exporting resources to the other cluster node. All BUI and CLI cluster commands will hang.
This issue is confirmed by looking at the resource manager (rm) log which is gathered in a bundle. The rm log will show that the failback is hanging after a specific stage of the failback. This issue happens after this line in the rm log:
Fri Jan 15 03:51:16 2021: [nas mig target export] nas pool pool-N quiesced in 0.000s
(Note: the rm log is only available in a support bundle or from the Solaris shell.)
This issue can also affect severing replications. If this issue occurs while a replication is severed, then the sever operation does not complete and cannot be retried until the Appliance Kit Daemon is restarted.
Issue Found In:
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