Exalogic: How to Switch ZFS Storage Heads Cluster Configuration From Active-Active to Active-Passive (Recommended)
Last updated on JANUARY 22, 2018
Applies to:Oracle Exalogic Elastic Cloud Software - Version 220.127.116.11.0 and later
Oracle Exalogic Elastic Cloud X2-2 Hardware - Version X2 to X2 [Release X2]
Information in this document applies to any platform.
In Exalogic rack, in some cases ZFS heads part rack end up in active-active configuration instead of active-passive configuration which is recommended.
Following is the output of "configuration cluster show" command in ZFS CLI from both the heads. From below output you can see both the heads are Active.
Active-Active it not supported and not recommended for Exalogic. We have to switch ZFS heads part of Exalogic rack to Active-Passive configuration.
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