`

Create a snap on ACFS

 
阅读更多
Unzip the files to /voltest filesystem
[root@host02 /]# unzip images.zip -d /voltest
Archive: images.zip
creating: /voltest/gridInstall/
inflating: /voltest/gridInstall/asm.gif
inflating: /voltest/gridInstall/bullet2.gif
inflating: /voltest/gridInstall/bullet.gif
extracting: /voltest/gridInstall/divider.gif
extracting: /voltest/gridInstall/gradient.gif

[root@host02 /]# ls -R /voltest/
/voltest/:
gridInstall lost+found test.txt
/voltest/gridInstall:
asm.gif t20108.gif t30104.gif t30119d.gif
/voltest/lost+found:
create an snap.
[root@host02 /]# acfsutil snap create snap_001 /voltest/
acfsutil snap create: Snapshot operation is complete.
[root@host02 /]# cd /voltest/
[root@host02 voltest]# ls -la
total 96
drwxrwx--- 5 root asmadmin 4096 Nov 4 13:04 .
drwxr-xr-x 28 root root 4096 Nov 4 12:57 ..
drwxr-xr-x 5 root root 4096 Nov 4 13:01 .ACFS
drwxr-xr-x 2 root root 12288 May 6 2009 gridInstall
drwx------ 2 root root 65536 Nov 4 13:01 lost+found
-rw-r--r-- 1 root root 0 Nov 4 12:58 test.txt
[root@host02 voltest]# du -h gridInstall/
2.0M gridInstall/
[root@host02 voltest]# ls .ACFS/
repl snaps
[root@host02 voltest]# ls .ACFS/snaps/
snap_001
[root@host02 voltest]# ls .ACFS/snaps/snap_001/
gridInstall lost+found test.txt
[root@host02 voltest]# du -h .ACFS/snaps/snap_001/gridInstall/
2.0M .ACFS/snaps/snap_001/gridInstall/
delete an file to test the snap function
[root@host02 voltest]# rm gridInstall/asm.gif
rm: remove regular file `gridInstall/asm.gif'? y
Create the other snap.
[root@host02 voltest]# acfsutil snap create snap_002 /voltest
acfsutil snap create: Snapshot operation is complete.
get the info about the filesystem.
[root@host02 voltest]# acfsutil info fs /voltest/
/voltest/
ACFS Version: 11.2.0.1.0.0
flags: MountPoint,Available
mount time: Fri Nov 4 12:57:36 2011
volumes: 1
total size: 1342177280
total free: 1161023488
primary volume: /dev/asm/voltest-14
label:
flags: Primary,Available,ADVM
on-disk version: 39.0
allocation unit: 4096
major, minor: 252, 7169
size: 1342177280
free: 1161023488
ADVM diskgroup FRA
ADVM resize increment: 268435456
ADVM redundancy: unprotected
ADVM stripe columns: 4
ADVM stripe width: 131072
number of snapshots: 2
snapshot space usage: 2260992
Restore the asm.gif file to filesystem from the snapshot.

[root@host02 voltest]# cp ./.ACFS/snaps/snap_001/gridInstall/asm.gif ./gridInstall/asm.gif
[root@host02 voltest]# umount /voltest/
分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics