Sun Storage 7000 Unified Storage System: How to troubleshoot long cluster take-over and fail-back times
(Doc ID 1408475.1)
Last updated on FEBRUARY 21, 2019
Applies to:Oracle ZFS Storage ZS4-4 - Version All Versions and later
Oracle ZFS Storage Appliance Racked System ZS4-4 - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Sun Storage 7410 Unified Storage System - Version All Versions and later
Oracle ZFS Storage ZS5-4 - Version All Versions and later
7000 Appliance OS (Fishworks)
The appliance does fail-back and takeover and there is an important distinction between them since the former requires resources be exported before they are imported by the other head, whereas takeover just imports them.
In the case of a slow fail-back, its worth figuring out if the relinquishing head is slow to export or whether the claiming head is slow to import the resources.
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