v
If you are restoring a backup that you created using Persistent Images in
the NAS Backup Assistant, the NT Backup file (*.BKF) was created for the
persistent image virtual drive letter instead of the original drive letter. For
example, if you selected drive C for backup, a persistent image was created
on the next available drive letter in the system, and that drive was backed
up instead of drive C. If you do not remember the original drive letter, you
can view the backup log files in NAS Backup Assistant. The top section of
the log file gives you the original drive letter, and the bottom section gives
you the persistent image drive letter. Now that you have the original drive
letter, go to step 2.
2. Click on the Restore using NT Backup link in the Backup and Restore
section of the IBM NAS Admin console to open the backup GUI.
3. Click Restore Wizard, then click Next.
4. You are asked what you want to restore. Select the appropriate media that you
are restoring from.
5. If you are restoring from tape, expand the backup media pool name, and then
double-click on the media (this will normally be named media created on {date
- time}). This action will read the set list from the tape.
If you are restoring from file, click the Import File... button, then click Browse
and find the .BKF file created for this backup. If you do not know the .BKF file
name, refer to the backup log in NAS Backup Assistant. Click OK. You will now
have a Media created on {date - time} listed under file. Click on the plus sign
(+) to the left of this media to see the set list. You may be prompted to enter
the path to the file you want to catalog; if so, select the same file that you just
imported. This will build a set list.
6. Select the files and directories you want to restore by placing a check in the
corresponding check box.
7. In the bottom left corner of the window, there is an option called Restore files
to:. Using the pull-down, select Alternate Location. In the alternate location
window, select the root directory of the original backup drive letter you
determined in step on page 21.
8. If desired, select Tools from the menu bar at the top of the window, then
select Options to change restore options. Refer to NTBackup online help (see
Restore files from a file or a tape) for use of these options.
9. Once you have selected the files or directories for restore, the alternate
location, and options, click the Start Restore button in the lower right corner.
10. You will now be prompted to confirm that you want to begin the restore. You
can click the Advanced button to select advanced options (see the NTBackup
online help for details), then click OK to begin the restore.
Persistent Images
A persistent image is a copy you make of an entire file system preserved in time.
The Persistent Image function allows the recovery of a file or file system to the
exact state it was in at the time you created the persistent image. Usually,
persistent images are maintained in a way that minimizes the storage required to
keep a second (or third or fourth, and so on) copy of the file system. This is done
by using a copy-on-write technique that uses additional storage only for data blocks
that are different between the time of the active file system and the time you made
a peristent image of the file system.
The Persistent Storage Manager allows you to create and preserve images of
appliance drives. You can take a persistent image immediately or schedule them as
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