To see the free space
asmcmd lsdg
To see the lists the current operations on a disk group or Oracle ASM instance.
asmcmd lsop
To see the ASM Volume Information
asmcmd volinfo -G data volume1
To get the discovery disk string value that used by ASM to seeing a disk
asmcmd dsget
To set the discovery disk string value that used by ASM to seeing a disk
asmcmd dsset
To list the user from an Oracle ASM password file
asmcmd lspwusr
Username sysdba sysoper sysasm
SYS TRUE TRUE TRUE
ASMSNMP TRUE FALSE FALSE
To add user
orapwusr --add agap
To add privilege
orapwusr --add --privilege sysdba hruser
To shutdown ASM instance
asmcmd shutdown --normal
asmcmd shutdown --immediate
asmcmd shutdown --abort
To back up spfile
asmcmd spbackup +DATA/asm/asmparameterfile/registry.251.745816193 +FRA/spfileASM.backup
To copy spfile to destination location
asmcmd spcopy +DATA/asm/asmparameterfile/registry.251.745816193 +FRA/spfileASM.cp
asmcmd spcopy -u
/u01/app/oracle/product/12.0.1/db/dbs/spfileagap.ora +DATA/agap/parameterfile/registry.253.767915194
asmcmd spmove
/u01/app/oracle/product/12.0.1/db/dbs/spfileagap.ora +DATA/agap/parameterfile/registry.253.767915194
asmcmd spmove +DATA/agap/parameterfile/registry.253.767915194
/u01/app/oracle/product/12.0.1/db/dbs/spfileagap.ora
To set the location of the Oracle ASM spfile
asmcmd spset +DATA/agap/parameterfile/registry.253.767915194
To startuo ASM Instance
asmcmd startup
