A technical troubleshooting blog about Oracle with other Databases & Cloud Technologies.

ORA: 15032 Disk Group Mount Issue.

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SQL> ALTER DISKGROUP DATA MOUNT;
ALTER DISKGROUP DATA MOUNT
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15017: diskgroup "DATA" cannot be mounted
ORA-15040: diskgroup is incomplete

SOLUTIONS:

1. Check list disks.
2. Comment sd parameter
3. Scandisk
4. List disks
5. Stop ASM
6. Start ASM
grep -i sd /etc/sysconfig/oracleasm
ORACLEASM_SCANEXCLUDE="sd"
-- comment ORACLEASM_SCANEXCLUDE="sd" from /etc/sysconfig/oracleasm
root@localhost01:/root
23:40:22 # oracleasm listdisks
root@localhost01:
23:41:34 # oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks…
Scanning system for ASM disks…
Instantiating disk "PDTVD_ASMDISK001"
Instantiating disk "PDTVD_ASMDISK002"
Instantiating disk "PDTVD_ASMDISK003"
root@localhost01:
23:41:40 # oracleasm listdisks
PDTVD_ASMDISK001
PDTVD_ASMDISK002
PDTVD_ASMDISK003
root@localhost01:
export GRID_HOME=/u01/grid/oracle/product/19/grid
$GRID_HOME/bin/crsctl stop crs
root@localhost01:
export GRID_HOME=/u01/grid/oracle/product/19/grid
$GRID_HOME/bin/crsctl start crs