How do I connect to Asmcmd?
How do I connect to Asmcmd?
To connect to the Oracle ASM instance, run ASMCMD that is located in the bin subdirectory of the Oracle Grid Infrastructure home (Oracle ASM home). Connect as SYSASM, the default connection, to administer an Oracle ASM instance.
How do I find my ASM file system?
To create and verify a file system, perform the following steps:
- Create an Oracle ASM volume in a mounted disk group with the ASMCMD volcreate command. The compatibility parameters COMPATIBLE.
- Determine the device name of the volume that was created.
- Create a file system with the Oracle ACFS mkfs command.
How do I view files in ASM Diskgroup?
How To List Files and Sizes within an ASM Disk Group
- select f. group_number, f. file_number, bytes, space, space/(1024*1024) “InMB”, a. name “Name”
- from v$asm_file f, v$asm_alias a.
- where f. group_number=a. group_number and f. file_number=a. file_number.
- order by f. group_number, f. file_number;
How do I check disk space on Asmcmd?
ASMCMD is a command line utility for managing files and directories in ASM (Automatic Storage Management ) diskgroups….asmcmd tips.
| COMMAND | DESCRIPTION |
|---|---|
| cd | Change directory |
| cp | Copy file |
| du | Disk space used by a directory and its subdirectories |
| exit | Exit the utility |
How do I open an Asmcmd file?
Table 12-16 provides a summary of the file management commands….ASMCMD File Management Commands.
| Command | Description |
|---|---|
| lsof | Lists the open files. |
| mkalias | Creates an alias for system-generated filenames. |
| mkdir | Creates Oracle ASM directories. |
| pwd | Displays the path of the current Oracle ASM directory. |
How do I copy files to Asmcmd?
How to Copy File from One Server to Another in ASM Diskgroup
- ASM Instance=> +ASM1.
- $asmcmd cp +DATAC2/QA01_01.dmp sys/password@d-orcl-test01.+ASM1:+RECOC1/backup/QA01_01.dmp.
- Note: Note the dot immediate after target host name in the command.
- Password is the password of sys user for ASM Instance in target server and.
How do I know if my ASM is running?
Verify the ASM setup
- Change to the Oracle Clusterware/Grid Infrastructure home directory: For Oracle RAC 10g Release 2/Oracle RAC 11g Release 1: # cd $CRS_HOME/bin.
- Verify the status of ASM on all the nodes in the cluster: # ./srvctl status asm ASM instance +ASM1 is running on node galaxy.
How do I check ASM disk?
select group_number, name, state, type from v$asm_diskgroup;
- To check the asm instance is connected and running:
- To check the asm disks and their status:
- MISSING – Automatic Storage Management metadata indicates that the disk is known to be part of the Automatic Storage Management disk group, but no disk in the storage.
How do I check free space on ASM Diskgroup?
ASM Disk group size Check
- select name, total_mb, free_mb, usable_file_mb,
- round(((total_mb-nvl(free_mb,0))/total_mb)*100,0) percent_used.
- from V$ASM_DISKGROUP_STAT;
- SELECT G.NAME,
- sum(b. total_mb) total_mb,
- sum((b. total_mb – b. free_mb)) used_mb,
- sum(B. FREE_MB) free_mb,
- decode(sum(b. total_mb),0,0,(ROUND((1- (sum(b.
How do I check disk in ASM?
To see all disks, use V$ASM_DISKGROUP instead. Contains one row for every Oracle ASM file in every disk group mounted by the Oracle ASM instance. In an Oracle ASM instance, contains one row for every active Oracle ASM long running operation executing in the Oracle ASM instance.
How do I delete ASM files?
Just make sure your SID is set properly and type asmcmd from the command line. In there you can cd, ls, pwd and rm to remove ASM files and directories. Check out this article on using asmcmd commands. You can use the alter diskgroup and drop diskgroup to remove ordinary ASM disk groups.
How do I find my grid home?
login to system using either root, oracle or gird user and execute. I have listed few of the process only, From the above list you can easily see “/u01/app/11.2. 0.3/grid” is GRID_HOME on this system. Set GRID_HOME and ready for remote DBA activities.