Oracle ZFS Storage Appliance: How to address False Clustron FMA Faults
(Doc ID 2216800.1)
Last updated on APRIL 17, 2018
Applies to:Sun ZFS Storage 7420 - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Oracle ZFS Storage ZS3-4 - Version All Versions and later
Oracle ZFS Storage ZS3-2 - Version All Versions and later
Oracle ZFS Storage ZS4-4 - Version All Versions and later
7000 Appliance OS (Fishworks)
FMA fault on Clustron devices may be observed even though hardware is functioning correctly. This document explains the background, occurrences, and workaround.
In order to identify faulted Clustron links, 8.6 has introduced a new functionality which provides some visibility to Clustron connectivity faults.
However, in certain situations, the Clustron link will be marked offline correctly, but the subsequent online event will not be recognized, so that the Clustron link is incorrectly marked faulted. This can occur after reboot, or any other time that akd restarts.
Faults because of this bug do not impact the functionality of the clustering subsystem. However, genuine hardware faults are flagged in the same way, so the user should not assume that all faults are due to this bug.
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