FINAL TRIM SIZE : 7.0 in x 8.5 in
6
Restoring Your Operating System Using the Recov
ery
Tape
If your op erating system or the en
tire ro ot disk b ecomes corrupted and not
usable, you can restore your system using y
our recovery system tap e and y
our
archive backup tap e(s). Also see \Bo oting the W
orkstation" in Appendix C for
information on using the Bo ot R
OM to nd and bo ot from a reco
very tap e.
If your op erating system is still usable but not functioning correctly
,you can
load the leset
TOOL
from an up date tape to obtain diagnostic utilities,
You can b o ot a memory-based v
ersion of
/hp-ux
(known as a
recovery system
)
from the tap e cartridge or DDS-format reco
very tap e whichyou have made.
From the recovery system, you can mount and unmount le systems, run
fsck
to check and repair le systems, copy les backonto your system disk, and
various other tasks.
Caution
Do not run
fsck
on a le system that is mounted and active.
This could intro duce data corruption. Run
fsck
in single-user
mo de when checking the ro ot le system. For le systems other
than the ro ot le system, unmount the le system, run
fsck
,
and then remount the le system.
If your system disk (including
/SYSBCKUP
)is unbo otable, do the following:
1. Verify that the recovery tap e is
not
write protected. HP-UX needs to have
write access to your recovery tap e when you bo ot it.
2. Load the recovery tap e in your tap e drive and be sure that the driveis
turned on.
3. Wait for the drive to b ecome ready (the \busy" light remains o ).
4. Reset your computer by turning it o and then back on. Bo ot the system
and pause the bo ot process by pressing
4
ESC
5
after the computer performs its
color self-test and prompts for b oot selection.
6-10 Backing Up, Restoring, and Updating Software DRAFT
2/5/97 11:31
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