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Disks shown in asmtool but not in v$asm_disk view on Windows (Doc ID 1069456.1)

Last updated on JANUARY 24, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Microsoft Windows x64 (64-bit)
Microsoft Windows x64 (64-bit) - Version: 2008 R2


In windows environment, found a disk is shown in asmtool.

ORCLDISK<DISK NAME> \Device\Harddisk2\Partition1 173114M

However, when querying v$asm_disk view, it's not present.

Oradim and kfod could not discover the disk either.

oradim -ex device query
kfod status=true disks=all op=disks

This caused the diskgroup cannot be mounted.


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