Disks Added to the ASM From One Node Are Not Discovered on the Other Node
(Doc ID 400005.1)
Last updated on NOVEMBER 06, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.1.0.5 and laterInformation in this document applies to any platform.
Symptoms
Using RAC with ASM. New devices have been added to the diskgroups on one of the node without problems.
Unfortunately, the disks are not visible on the other node and trying to start the instance fails with errors like:
ORA-15042: ASM disk "19" is missing
ORA-15042: ASM disk "18" is missing
The ownership and permissions on the disks are given correctly and the nodes can be seen in /dev, but kfod does not report the new disks that have been added - equally they cannot be seen in v$asm_disk.
truss the kfod utility as follows
for all the problematic disks
Cause
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In this Document
Symptoms |
Cause |
Solution |
References |