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Re: [Networker] Networker hangs completely at times
2006-03-31 16:10:43
On Mar 30, 2006, at 1:39 AM — 3/30/06, Oscar Olsson wrote:
Has anyone else but us seen regular complete hangs of networker in
release 7.3? Backups hang, and the system becomes unresponsive,
NMC, nsrwatch and nwadmin all hang. After a while nothing happens
in the logs.. Before it dies completely, messages such as these can
be seen in the daemon.log:
03/29/06 18:01:13 nsrd: [Jukebox `Osato', operation 448]. Initiated
operation `Clean device /dev/rmt/2cbn using cleaning slot 430'.
03/29/06 18:01:13 nsrd: [Jukebox `Osato', operation 449]. Initiated
operation `Clean device /dev/rmt/1cbn using cleaning slot 430'.
03/29/06 18:03:56 nsrd: [Jukebox `Osato', operation # 445].
Automatically terminating operation `OP_CLEAN', instance 445, on
jukebox `Osato'. Cannot allocate the 1 required device(s).
03/29/06 18:03:56 nsrd: [Jukebox `Osato', operation # 445].
Finished with status: failed
03/29/06 19:11:03 nsrlcpd #1: Jukebox `Osato' is exiting. The
jukebox is no longer managed by nsrlcpd.
Is there a problem with cleaning devices in conjunction with that
many savesets/drives are busy writing? Is this some kind of
deadlock state?
As usual, our networker support has been less than helpful with
this issue.
Check to make sure the settings on your tape library do not conflict
with the settings you have in NetWorker for handling cleaning tapes.
I have not seen the behavior you describe, especially since I am not
running NetWorker 7.3, but with the Sony PetaSite tape library we use
and NetWorker 7.2.1, if the tape library has any configuration
entries at all to handle cleaning tapes, it will not allow NetWorker
to mount a cleaning tape and NetWorker reacts by refusing to do
anything else with tape mounts until it can satisfy the cleaning
request, which has the non-good effect of hanging just about
everything, but I have never seen nsrwatch or nwadmin fail in that
situation.
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