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Exadata Griddisk Asmmodestatus is UNKNOWN and Path in ASM is Different Than Other Disks (Doc ID 1577809.1)

Last updated on JANUARY 31, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]
Oracle Exadata Storage Server Software - Version 11.2.2.2.2 to 11.2.3.2.1 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Linux x86-64

Symptoms

While performing an upgrade or other maintenance task, you found a grid disk on one of the cell servers with asmmodestatus is UNKNOWN:

 

Changes

A sundiag should be reviewed to ensure there isn't an issue with the disk: MOS Note Oracle Exadata Diagnostic Information required for Disk Failures (Doc ID: 761868.1).

celldisk detail
---------------
name: CD_00_<CELL_SERVER>
comment:
creationTime: 2011-06-13T13:01:50+07:00
deviceName: /dev/sda
devicePartition: /dev/sda3
diskType: HardDisk
errorCount: 0
freeSpace: 0
id: #########################
interleaving: none
lun: 0_0
raidLevel: 0
size: 1832.59375G
status: normal

griddisk detail
---------------
name: DATA_<CELL_SERVER>_CD_00_exacel14
availableTo:
cellDisk: CD_00_<CELL_SERVER>
comment:
creationTime: 2011-06-13T13:03:51+07:00
diskType: HardDisk
errorCount: 0
id: f#########################
interleaving: none
offset: 32M
size: 1466G
status: active

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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