HP StorageWorks DAT USB Tape Drives User Guide (DW049-90916, June 2010)

2. Hold down the eject button on the tape drive and keep it pressed down while power cycling the
tape drive. This activates the HP One-Button Disaster Recovery process. Release the button as
soon as the LEDs flash in OBDR sequence, which is:
HP StorageWorks DAT 320 and DAT 160 tape drives: The Ready light shows a repeated pattern
of flashing-steady on-flashing.
HP StorageWorks DAT 72 and DAT 40 tape drives: The Tape light and the Clean light on the
front panel flash alternately.
Figure 23 Keeping eject button pressed down, power on in OBDR model
.
Keyboard shortcut for HP ProLiant servers
There is no need to press the Eject button. Just power on your server and press the [F8] function
key during the Power On Self Test (POST). This invokes OBDR to restore your system. For more
information and specific instructions please refer to our World Wide Web site at http://
www.hp.com/go/obdr.
3. Follow the on-screen instructions to set up the operating system. Normally, you can accept the
default response to all the prompts, for example just press <Enter>.
4. The LEDs will flash in OBDR mode (as described in step 2) while the tape drive restores your
operating system to a state where it can run a normal data restore.
5. Once the operating system has been set up and rebooted, the Tape LED display on the tape drive
changes to constant green and you can remove the backup cartridge, if you wish. You are now
ready to run a normal data restore. Follow the normal process for your restore application.
If restore fails
If the restore fails for any reason, refer to our World Wide Web site (http://www.hp.com/go/obdr)
and do a search on OBDR for detailed troubleshooting information.
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