Failed to mount ASM log backups as part of recovery operation

Description

If you have an ASM database instance in NFS environment, mounting of ASM log backups as part of recovery operation might fail if the appropriate ASM disk path is not defined in the asm_diskstring parameter.

Error message

ASM-00015: Mounting of ASM Disk Group <ASM_DISKGROUP_NAME> failed: ORACLE-10003: Error executing SQL "ALTER DISKGROUP <ASM_DISKGROUP_NAME> MOUNT RESTRICTED" against Oracle database +ASM: ORA-15032: not all alterations performed ORA-15017: diskgroup "<ASM_DISKGROUP_NAME>" cannot be mounted ORA-15040: diskgroup is incomplete

Corrective action

You should add the ASM disk path /var/opt/snapcenter/scu/clones/*/* to the existing path defined in the asm_diskstring parameter.