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November 19, 2011

oracleasm utility

Oracle ASM library (ASMLib) driver


ASMLIB is a storage management interface. ASMLIB is not required for ASM to function; it is like an add-on library that simplifies the tasks of managing and discovering the disks.

ASMLIB provides more information about the disk attributes enabling easy discovery of disks. Avoids disks being added to one node and not been discovered by other nodes in the cluster.

ASMLIB enables more efficient IO.

#/etc/init.d/oracleasm start

#/etc/init.d/oracleasm stop

#/etc/init.d/oracleasm restart

#/etc/init.d/oracleasm status



#/etc/init.d/oracleasm enable

#/etc/init.d/oracleasm disable




#/etc/init.d/oracleasm configure

#/etc/init.d/oracleasm createdisk DISK_NAME PARTITION_NAME
#/etc/init.d/oracleasm createdisk VOL3 /dev/sdd1
#/etc/init.d/oracleasm createdisk ASM_DATA /dev/cciss/c0d1p1

#/etc/init.d/oracleasm scandisks

#/etc/init.d/oracleasm listdisks

#/etc/init.d/oracleasm querydisk DISK_NAME
#/etc/init.d/oracleasm querydisk -d LABEL
#/etc/init.d/oracleasm querydisk /dev/sdc6
#/etc/init.d/oracleasm querydisk -d VOL6
#/etc/init.d/oracleasm querydisk -p VOL1

#/etc/init.d/oracleasm renamedisk PARTITION_NAME DISK_NAME
#/etc/init.d/oracleasm renamedisk /dev/sdc1 VOL2

#/etc/init.d/oracleasm deletedisk DISK_NAME
#/etc/init.d/oracleasm deletedisk /dev/sdc9


/etc/sysconfig/oracleasm  -- Oracle ASMLib configuration file


Related Articles: Automatic Storage Management (ASM)   asmcmd

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