ASM Disk commands

Status
/etc/init.d/oracleasm status

To list disks
/etc/init.d/oracleasm listdisks

Check Specific Disk
/etc/init.d/oracleasm querydisk -d ASM1D0022

ASM  configuration  file
/etc/sysconfig/oracleasm

Find physical disk associated with ASM Disk

#/etc/init.d/oracleasm querydisk -d ASM1D0001
Disk "ASM1D0001" is a valid ASM disk on device [120, 129]

#ls -ltr /dev |grep 129



 brw-r-----  1 root   disk  70,   129 Jan 30 17:31 sdda1
brw-r-----  1 root   disk  67,   129 Jan 30 17:31 sdbe1
brw-r-----  1 root   disk  66,   129 Jan 30 17:31 sdao1
brw-r-----  1 root   disk   8,   129 Jan 30 17:32 sdi1
brw-r-----  1 root   disk  68,   129 Jan 30 17:32 sdbu1
brw-r-----  1 root   disk  65,   129 Jan 30 17:32 sdy1
brw-r-----  1 root   disk  69,   129 Jan 30 17:32 sdck1
brw-rw----  1 oracle dba  120,   129 Jan 30 17:32 emcpoweri1
crw-------  1 vcsa   tty    7,   129 Jan 30 17:34 vcsa1

Display EMC power path info

#sudo ./powermt display dev=/dev/emcpoweri1

# Below will display all EMC power paths
#sudo ./powermt display dev=all > /tmp/mnt_info.lis