Createdisk, Deletedisk and Querydisk in ASM


The /etc/init.d/oracleasm script is used to create, delete and query ASM disks and make disks available.

Create and Delete ASM disk:
Run below command to Create ASM disks.

/etc/init.d/oracleasm createdisk DATA1 /dev/sdc

Creating Oracle ASM disk “DATA1” [ OK ]

Run below command to Delete ASM disks.

/etc/init.d/oracleasm deletedisk DATA1

Deleting Oracle ASM disk “DATA1” [ OK ]

Query/List/Scan ASM disk:
Run the below querydisk command to see if the Disk/Device is used by ASM:

/etc/init.d/oracleasm querydisk /dev/sdc

Checking if device “/dev/sdc” is an Oracle ASM disk [ OK ]

/etc/init.d/oracleasm querydisk DATA1

Checking for ASM disk “DATA1” [ OK ]

Run below command to list Existing disks

/etc/init.d/oracleasm listdisks


Run the below command to scan the disks created on another node.

/etc/init.d/oracleasm scandisks

Scanning system for ASM disks [ OK ]