ASM Administration Commands
check ASMCMD’s version
$ asmcmd -V
Check diskgroup including the dismounted DGs
$ asmcmd
lsdg -g --discovery
Check ASM disk status
$ asmcmd
lsdsk -k -g
Check ASM disk status for candidate disk
$ asmcmd
lsdsk -k -g --candidate
Clients accessing ASM instance:
$ asmcmd
lsct
Check a particular diskgroup.
$ asmcmd
lsdg DATA
Check listed Mounted ASM disks.
$ asmcmd
$lsdsk
Check details of ASM disks.
$ asmcmd
lsdsk -k
Check above information for a particular disk.
$ asmcmd
lsdsk -k -G <dg_name>
Check Input/Output State details of disks.
$ asmcmd
iostat
Check details for a particular Disk.
$ asmcmd
ostat -G FRA
Check information of Reads/Writes Error.
$ asmcmd
iostat -e
Check information about OracleASM ServerParameter file.
$ asmcmd
spget
Check permissions on a file.
$ asmcmd
ls --permission
Check disk usage.
$ asmcmd
du
To find file with name.
$ asmcmd
find + system* data*
To list currently open files by all instances in ASM Use Below Command.
$ asmcmd
lsof
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