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Backup examples

In the following examples, the vxdump utility is used to ascertain whether
/dev/vx/dsk/fsvol/vol1 is a snapshot mounted as /backup/home and does the appropriate work to get the snapshot data through the mount point.

These are typical examples of making a backup of a 300,000 block file system named /home using a snapshot file system on /dev/vx/dsk/fsvol/vol1 with a snapshot mount point of /backup/home.

 To create a backup using a snapshop file system

# mount -F vxfs -o snapof=/home,snapsize=100000 \
/dev/vx/dsk/fsvol/vol1 /backup/home

# cd /backup

# find home -ctime -7 -depth -print | cpio -oc > \

/dev/rmt/c0s0

# umount /backup/home

# vxdump 3f - /dev/vx/dsk/fsvol/vol1 | vxrestore -xf -

# mount -F vxfs -o snapof=/home,snapsize=100000 \
/dev/vx/dsk/fsvol/vol1 /backup/home

# vxdump f - /dev/vx/dsk/fsvol/vol1 | dd bs=128k > \

/dev/rmt/c0s0