FINAL TRIM SIZE : 7.0 in x 8.5 in
7
Recovering from a System P
anic
In HP-UX terms, a system panic simply means that the op erating system
encountered a condition that it did not kno
whow to resp ond to, so it halted
your workstation.
System panics are rare and not alwa
ys the result of a catastrophe. They
sometimes o ccur at bo ot if y
our system was previously not shut down prop erly.
Sometimes they o ccur as the result of a hardw
are failure. In a clustered
environment, a diskless client no de will panic if to o m
uch time has elapsed
since its last comm
unication with its server. This could b e the result of nothing
more than a LAN cable that has been disconnected for too long.
Recovering from a system panic can be as simple as reb o oting y
our system. If
you have an up-to-date set of le system backup or system recovery tap es, the
worst case
scenario would involve reinstalling HP-UX and restoring any les
that were lost or corrupted. If this situation was caused by a rare hardware
failure such as a disk head crash, you will, of course, havetohave the hardware
xed b efore you can p erform the reinstallation.
Note
It is imp ortant to maintain an up-to-date backup of the les
on your system so that, in the event of a disk head crash or
similar situation, you can recover your data. How frequently
you up date these backups dep ends on howmuch data you can
aord to lose. For information on how to back up data, refer to
System Administration Tasks
.
7-14 Dealing With Problems DRAFT
2/5/97 11:31
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