ASMCMD HANDY COMMANDS
ASM has wide variety of manipulation commands to have full control using ASMCMD which is a command line tool
Type help to the list of commands used in asmcmd
ASMCMD [+] > help
asmcmd
Starts asmcmd or executes the command
Synopsis
asmcmd [-V] [--nocp] [-v {errors | warnings | normal | info | debug} ] [--privilege {sysasm | sysdba} ] [-p] [--inst <instance_name>] [--discover][<command>]
chtmpl, lstmpl, mktmpl, rmtmpl
chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr
mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr, rpusr
volcreate, voldelete, voldisable, volenable, volinfo
volresize, volset, volstat
Check ASMCMD version
[grid@orcl ~]$ asmcmd -V
asmcmd version 12.1.0.2.0
Check ASMCMD parent directory
[grid@orcl ~]$ asmcmd -p
ASMCMD [+] > cd DATA
ASMCMD [+DATA] >To check all diskgroups in ASM
ASMCMD [+DATA] > lsdg
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED EXTERN N 512 4096 1048576 3067 3005 0 3005 0 N CRS/
MOUNTED EXTERN N 512 4096 1048576 15311 3738 0 3738 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 15311 9674 0 9674 0 N FRA/
#to check specific diskgroup status
ASMCMD [+DATA] > lsdg DATA
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED EXTERN N 512 4096 1048576 15311 3738 0 3738 0 N DATA/
#to check asm discovery
ASMCMD [+DATA] > lsdg --discovery
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED EXTERN N 512 4096 1048576 3067 3005 0 3005 0 N CRS/
MOUNTED EXTERN N 512 4096 1048576 15311 3738 0 3738 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 15311 9674 0 9674 0 N FRA/
To check the total occupied filesize in a directory
ASMCMD [+DATA/ORCL] > du
Used_MB Mirror_used_MB
11512 11512
To find any file reside in ASM
ASMCMD [+DATA/ORCL] > find + sp*
+DATA/ASM/PARAMETERFILE/spfileorcl.ora.271.1031777365
+DATA/ORCL/PARAMETERFILE/spfile.266.1031502791
+DATA/ORCL/spfileorcl.ora
To change directory path in ASM
#to go to next directory
ASMCMD [+DATA] > cd ASM
#to go back to previous directory
ASMCMD [+DATA/ASM] > cd ../..
To list the disks in ASM
ASMCMD [+DATA] > lsdsk -k
Total_MB Free_MB OS_MB Name Failgroup Failgroup_Type Library Label UDID Product Redund Path
3067 3005 3067 CRS_0000 CRS_0000 REGULAR System UNKNOWN /dev/oracleasm/disks/CRS
15311 3738 15311 DATA_0000 DATA_0000 REGULAR System UNKNOWN /dev/oracleasm/disks/DATA
15311 9674 15311 FRA_0000 FRA_0000 REGULAR System UNKNOWN /dev/oracleasm/disks/FRA
ASMCMD [+DATA] > lsdsk -k -G DATA
Total_MB Free_MB OS_MB Name Failgroup Failgroup_Type Library Label UDID Product Redund Path
15311 3738 15311 DATA_0000 DATA_0000 REGULAR System UNKNOWN /dev/oracleasm/disks/DATA
To check the files used by processes currently
ASMCMD [+DATA/ORCL] > lsof
DB_Name Instance_Name Path
orcl orcl +DATA/ORCL/CONTROLFILE/current.260.1031501949
orcl orcl +DATA/ORCL/DATAFILE/example.265.1031501993
orcl orcl +DATA/ORCL/DATAFILE/sysaux.256.1031501729
orcl orcl +DATA/ORCL/DATAFILE/system.257.1031501823
orcl orcl +DATA/ORCL/DATAFILE/system.265
orcl orcl +DATA/ORCL/DATAFILE/undotbs1.259.1031501899
orcl orcl +DATA/ORCL/DATAFILE/users.272.1040745563
orcl orcl +DATA/ORCL/DATAFILE/users.274.1040915137
orcl orcl +DATA/ORCL/ONLINELOG/group_1.261.1031501951
orcl orcl +DATA/ORCL/ONLINELOG/group_2.262.1031501957
orcl orcl +DATA/ORCL/ONLINELOG/group_3.263.1031501965
orcl orcl +DATA/ORCL/TEMPFILE/temp.264.1031501981
orcl orcl +DATA/ORCL/users.new
orcl orcl +FRA/ORCL/CONTROLFILE/current.256.1031501949
orcl orcl +FRA/ORCL/FLASHBACK/log_20.372.1074184217
orcl orcl +FRA/ORCL/ONLINELOG/group_1.257.1031501953
orcl orcl +FRA/ORCL/ONLINELOG/group_2.258.1031501961
orcl orcl +FRA/ORCL/ONLINELOG/group_3.259.1031501967
To list the ASM background process with respect to disk
ASMCMD [+] > lsod
Instance Process OSPID Path
1 oracle@orcl (DBW0) 5949 /dev/oracleasm/disks/CRS
1 oracle@orcl (DBW0) 5949 /dev/oracleasm/disks/DATA
1 oracle@orcl (DBW0) 5949 /dev/oracleasm/disks/FRA
1 oracle@orcl (GMON) 5963 /dev/oracleasm/disks/CRS
1 oracle@orcl (GMON) 5963 /dev/oracleasm/disks/DATA
1 oracle@orcl (GMON) 5963 /dev/oracleasm/disks/FRA
1 oracle@orcl (LGWR) 5951 /dev/oracleasm/disks/CRS
1 oracle@orcl (LGWR) 5951 /dev/oracleasm/disks/DATA
1 oracle@orcl (LGWR) 5951 /dev/oracleasm/disks/FRA
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/CRS
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/CRS
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/DATA
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/DATA
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/FRA
1 oracle@orcl (RBAL) 5961 /dev/oracleasm/disks/FRA
1 oracle@orcl (TNS V1-V3) 22188 /dev/oracleasm/disks/CRS
1 oracle@orcl (TNS V1-V3) 22188 /dev/oracleasm/disks/DATA
1 oracle@orcl (TNS V1-V3) 6003 /dev/oracleasm/disks/DATA
1 oracle@orcl (TNS V1-V3) 7988 /dev/oracleasm/disks/DATA
1 oracle@orcl (TNS V1-V3) 22188 /dev/oracleasm/disks/FRA
1 oracle@orcl (TNS V1-V3) 6056 /dev/oracleasm/disks/FRA
1 oracle@orcl (TNS V1-V3) 6803 /dev/oracleasm/disks/FRA
1 oracle@orcl (TNS V1-V3) 7988 /dev/oracleasm/disks/FRA
To check the IOPS statistics with respect to each diskgroup
ASMCMD [+DATA] > iostat
Group_Name Dsk_Name Reads Writes
CRS CRS_0000 770048 45031424
DATA DATA_0000 3899528192 703717376
FRA FRA_0000 139511808 871506432
ASMCMD [+DATA] > iostat -G DATA
Group_Name Dsk_Name Reads Writes
DATA DATA_0000 3903112192 704871424
ASMCMD [+DATA] > iostat -e
Group_Name Dsk_Name Reads Writes Read_Err Write_Err
CRS CRS_0000 774144 45174784 0 0
DATA DATA_0000 3905848320 705550848 0 0
FRA FRA_0000 139794432 873151488 0 0
ASMCMD [+DATA] > iostat -e -t
Group_Name Dsk_Name Reads Writes Read_Err Write_Err Read_Time Write_Time
CRS CRS_0000 774144 45281280 0 0 334.442789 32978.196292
DATA DATA_0000 3910714368 706893824 0 0 1260.296551 33436.794744
FRA FRA_0000 140040192 874494464 0 0 347.646019 33490.751353
To check the rdbms and grid details with respect to diskgroup
ASMCMD [+] > lsct DATA
DB_Name Status Software_Version Compatible_version Instance_Name Disk_Group
+ASM CONNECTED 12.1.0.2.0 12.1.0.2.0 +ASM DATA
orcl CONNECTED 12.1.0.2.0 12.1.0.2.0 orcl DATA
To get the spfile location in ASM
ASMCMD [+DATA] > spget
+CRS/ASM/ASMPARAMETERFILE/registry.253.1031499741
To list the files in ASM
ASMCMD [+DATA] > ls
ASM/
ORCL/
ASMCMD [+DATA] > ls -l
Type Redund Striped Time Sys Name
Y ASM/
Y ORCL/
ASMCMD [+DATA/ORCL] > ls --permission
User Group Permission Name
CONTROLFILE/
DATAFILE/
ONLINELOG/
PARAMETERFILE/
TEMPFILE/
rw-rw-rw- spfileorcl.ora => +DATA/ASM/PARAMETERFILE/spfileorcl.ora.271.1031777365
rw-rw-rw- users.new => +DATA/ORCL/DATAFILE/USERS.275.1040918051
To check count of number of files in ASM
ASMCMD [+] > lstmpl
Group_Name Group_Num Name
CRS 1 ARCHIVELOG
CRS 1 ASMPARAMETERFILE
CRS 1 AUDIT_SPILLFILES
CRS 1 AUTOBACKUP
CRS 1 AUTOLOGIN_KEY_STORE
CRS 1 BACKUPSET
CRS 1 CHANGETRACKING
CRS 1 CONTROLFILE
CRS 1 DATAFILE
CRS 1 DATAGUARDCONFIG
CRS 1 DUMPSET
CRS 1 FLASHBACK
CRS 1 FLASHFILE
CRS 1 INCR XTRANSPORT BACKUPSET
CRS 1 KEY_STORE
CRS 1 OCRFILE
CRS 1 ONLINELOG
CRS 1 PARAMETERFILE
CRS 1 TEMPFILE
CRS 1 VOTINGFILE
CRS 1 XTRANSPORT
CRS 1 XTRANSPORT BACKUPSET
DATA 2 ARCHIVELOG
DATA 2 ASMPARAMETERFILE
DATA 2 AUDIT_SPILLFILES
DATA 2 AUTOBACKUP
DATA 2 AUTOLOGIN_KEY_STORE
DATA 2 BACKUPSET
DATA 2 CHANGETRACKING
DATA 2 CONTROLFILE
DATA 2 DATAFILE
DATA 2 DATAGUARDCONFIG
DATA 2 DUMPSET
DATA 2 FLASHBACK
DATA 2 FLASHFILE
DATA 2 INCR XTRANSPORT BACKUPSET
DATA 2 KEY_STORE
DATA 2 OCRFILE
DATA 2 ONLINELOG
DATA 2 PARAMETERFILE
DATA 2 TEMPFILE
DATA 2 VOTINGFILE
DATA 2 XTRANSPORT
DATA 2 XTRANSPORT BACKUPSET
FRA 3 ARCHIVELOG
FRA 3 ASMPARAMETERFILE
FRA 3 AUDIT_SPILLFILES
FRA 3 AUTOBACKUP
FRA 3 AUTOLOGIN_KEY_STORE
FRA 3 BACKUPSET
FRA 3 CHANGETRACKING
FRA 3 CONTROLFILE
FRA 3 DATAFILE
FRA 3 DATAGUARDCONFIG
FRA 3 DUMPSET
FRA 3 FLASHBACK
FRA 3 FLASHFILE
FRA 3 INCR XTRANSPORT BACKUPSET
FRA 3 KEY_STORE
FRA 3 OCRFILE
FRA 3 ONLINELOG
FRA 3 PARAMETERFILE
FRA 3 TEMPFILE
FRA 3 VOTINGFILE
FRA 3 XTRANSPORT
FRA 3 XTRANSPORT BACKUPSET
To check the audit config parameters
ASMCMD [+] > lsaudconfigparams
Type Parameter Name Parameter Value
AUDIT FILE MAX SIZE 10000
AUDIT FILE MAX SIZE 10000
AUDIT FILE MAX AGE 5
AUDIT FILE MAX AGE 5
AUDIT_TRAIL_WRITE_MODE QUEUED WRITE MODE
AUDIT_TRAIL_WRITE_MODE