Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Figure 13-1

Example system configuration for database backup on the primary

host

Snapshot volumes are

created on these disks

Database volumes

are created on these

disks

Primary host for database

Controllers

c1 c2 c3 c4

Backup to disk, tape

or other media by

primary host

Disk

arrays

Local

disks

Note: It is assumed that you have already prepared the volumes containing the

file systems for the datafiles to be backed up as described in the example.

See “About setting up volumes for instant snapshots” on page 141.

For an Oracle database, it is not necessary to create snapshots of the volumes

containing the file systems for the redo log volumes or archived logs.

To make a backup of an online database on the same host

Use the following commands to add one or more snapshot plexes to the

volume, and to make a full-sized break-off snapshot, snapvol, of the tablespace

volume by breaking off these plexes:

157Online database backup

Making a backup of an online database on the same host