Small Default ISCSI timeout value on ISCSI Client Might Not Long Enough for ZFS Storage Appliance Head Failover
(Doc ID 2189806.1)
Last updated on JULY 16, 2022
Applies to:
Oracle Cloud Infrastructure - Version N/A and laterPrivate Cloud Appliance - Version 2.0.5 and later
Oracle VM - Version 3.2.1 and later
Linux x86-64
ZFSSA is used by Oracle VM over iSCSI.
Symptoms
- ZFSSA attached is external storage serving the iSCSI to the Oracle VM server (or PCA compute nodes)
- During path and/or head failover 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.
Changes
NA
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |