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How to fix disks shown as an "Unknown" or "Inactive" Status (Doc ID 1315489.1)

Last updated on APRIL 27, 2011

Applies to:

Oracle Exadata Storage Server Software - Version: 11.2.1.2.0 and later   [Release: 11.2 and later ]
Miracle Linux x86-64

Symptoms

all Griddisks in Cell 10 are in UNKNOWN Status:

CellCLI> list griddisk attributes name,asmmodestatus
DATA_CD_00_cell10 UNKNOWN
DATA_CD_01_cell10 UNKNOWN
DATA_CD_02_cell10 UNKNOWN
(and so on)

Changes

In the recent past, a I/O event to the Cell, and the subsequent dropping of all griddisks was logged in the Cell10 alert log.

Cause

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