Tape recovery for
To boot from tape on an
The first version of
The screens shown in this example are from an HP Integrity rx1620 system. Other systems may vary in method and screen format. For information on how to configure boot devices for your system, consult your system’s hardware documentation.
IMPORTANT: Configuring an EFI menu option for tape boot requires downtime since it can only be done from the EFI Boot Manager. If you are going to use tape recovery on your
TIP: An ideal time to test tape recovery on your unique combination of system, tape drive, and HBA, is after you have configured an EFI Boot Manager menu option for tape boot. You do not need to recover the system. If you create a recovery tape with the
Determining the tape drive’s EFI path
When adding a tape boot option to the firmware, you must identify the tape drive you will use for booting. The EFI menus will display device paths to choose from. Before beginning the tape boot configuration process at the EFI level, you must determine the device path to your tape drive so you can select the correct one to use for booting.
The ioscan
The EFI device path for our example is Acpi(HWP0002,100)/Pci(11)/Scsi(Pun4,Lun0)
One way to identify the tape drive’s path is to use the reconnect
Figure 100 Output from reconnect
Finding the Ultrium tape drive’s Pun and Lun numbers in this example is simple because not many devices are listed.
If your system is partitionable, EFI will not automatically enumerate all connected devices. (This allows for a speedier boot.) For this reason the tape drive you want to use may not be listed. If
System recovery 203