Head Failover on ZFS Storage Appliance Causes Disruption to Running VMs
(Doc ID 2189806.1)
Last updated on FEBRUARY 04, 2019
Applies to:Private Cloud Appliance - Version 2.0.5 and later
Oracle VM - Version 3.2.1 and later
Oracle Cloud Infrastructure - Version N/A and later
ZFSSA is used by Oracle VM over iSCSI.
- ZFSSA attached is external storage serving the iSCSI to the Oracle VM server (or PCA compute nodes)
- During path and/or head failover/takeover on the ZFSSA, VM guests running on Oracle VM fail to operate due to disk access issues.
- Depending on the OS and the configuration both on the guest OS and on the Oracle VM, VM guests could become hung, power off, or reset/reboot.
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