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Oracle ZFS Storage Appliance: Handling DISK-8000-0X FMA 'predictive-failure' Events With 'asc=0xb/ascq=0x97' (Doc ID 2291549.1)

Last updated on JUNE 12, 2020

Applies to:

Oracle ZFS Storage ZS5-2 - Version All Versions and later
Oracle ZFS Storage ZS4-4 - Version All Versions and later
Oracle ZFS Storage Appliance Racked System ZS4-4 - Version All Versions and later
Oracle ZFS Storage Appliance Racked System ZS5-2 - Version All Versions and later
Sun ZFS Storage 7420 - Version All Versions and later
7000 Appliance OS (Fishworks)

Symptoms

A ZFS Storage Appliance running an OS release older than 8.6.12 reports DISK-8000-0X FMA 'predictive-failure' events in conjunction with a 'asc=0xb/ascq=0x97' code.

 (note this also applies to other predicted fault ascq codes, i.e. 0x96; ANY predicted fault that isn't asc = 0x5d is considered 'false')

These asc/ascq codes can be identified in a Support Bundle (see below for alternative workflow method):

 

 

Changes

 Newer disk firmware added the asc:0xb/ascq:0x97 code to indicate "warning, slow response".

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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