Sunday, April 06, 2008

Veritas Storage Checkpoint

create
# fsckptadm -v create thu_7pm /checkpt1

Mount
# mount -F vxfs -o ckpt=thu_7pm /dev/vx/dsk/datadg/vol1:thu_7pm /checkpt1

remount
# mount -F vxfs -o ckpt=may_23,remount,rw /dev/vx/dsk/datadg/vol1:may_23 /fsvol_may_23

umount
# umount /fsvol_may_23

#umount /dev/vx/dsk/datadg/vol1:may_23


Convert data to no data chkpt
# fsckptadm -s set nodata thu_7pm /checkpt1 (convert data to nodata)

-s option means synchronous

this nodata checkpoint only contains a collection of markers

# fsckptadm set nomount thu_7pm /checkpt (convert mountable to non-mount)


# fsckptadm set remove thu_7pm /checkpt (convert non-removeable to removeable)

set quotas
# fsckptadm setquotalimit /checkpt1 1024 512

1024 - no.of hard limit blocks
512 - no.of soft limit blocks

remove
# fsckptadm remove thu_7pm /checkpt1

list
# fsckptadm -clv list /mnt0

-c : resets statiscal counters
-l : displays statistical info on the fs, in addition to its checkpoints
-v: verbose mode, displays extensive statistical info

restoring a file system

# fsckpt_restore -l /dev/vx/dsk/datadg/vol01

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