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

Last updated on JULY 05, 2017

Applies to:

Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 11.1.0.7 - Release: 10.1 to 11.1
Microsoft Windows x64 (64-bit)
Microsoft Windows x64 (64-bit) - Version: 2008 R2

Symptoms

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

ORCLDISKFLBACK0 \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.


Cause

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