The ASM Failure Group Configuration Is Not Recommended

(Doc ID 2298577.1)

Last updated on SEPTEMBER 29, 2017

Applies to:

Oracle Exadata Storage Server Software - Version 12.1.2.4.0 to 12.2.1.1.2 [Release 12.1 to 12.2]
Information in this document applies to any platform.

Symptoms

Background:
1. what's ASM failure group:
ASM Failure groups are used to place mirrored copies of data so that each copy is on a disk in a different failure group so that the simultaneous failure of all disks
in a failure group does not result in data loss.
2. The rule of ASM failure group configuration:
On Exadata, by default, all grid disks in a single Exadata Storage Server (or cell) belong to the same failure group to
tolerate the failure of a single storage server.

Issue Description:

Below error message is found in Exachk report for version '12.2.0.1.3_20170331'(GI version: 12.2.0.1.0).

ERROR
-----------------------
Status on exadb01:
FAIL => The ASM failure group configuration is not as recommended

Cause

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