[Networker] AW: [Networker] Linux storage node strangeness

It sounds to me like a problem with the L20.
After unmounting the clone volume, nsrjb want's to unload the volume and
load the next one. 

Have you been able to run regular backups, spanning more then one volumes on
the L20?

Check the L20 cabling and termination and also check the timeout values in
the L20 jukebox resource, it's maybe a good idea to delete and recreate the
jukebox resource. 

Do you see anything regarding SCSI problems in dmesg or massages?
Try also starting nsrexcd -D9 for debugging.

--Christo

-----Ursprüngliche Nachricht-----
Von: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] 
Im
Auftrag von Christian Drexler
Gesendet: Freitag, 13. Januar 2006 09:13
An: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Betreff: [Networker] Linux storage node strangeness

Gurus,
I have a strange problem with our storage node (HPDL385) running the
32bit Linux version of Networker 7.1.4 and 32bit RH Enterprise Server 3.
Attached to the storage node are a Quantum dx30 emulating a Quantum
PL1000 with 3 DLT7000 tape drives directly attached via FC and a
SCSI-attached HP LTO-2 tape drive inside a STK L20.

The main backup server is a SunFire 280R running Networker 7.1.2 on
Solaris 8.

When I try to clone save sets from the dx30 to the L20 networker loads
the first "tape" into the dx30 and clones the save sets as expected.
The strangeness begins when the next tape is required for reading.
Networker spawns an nsrjb process which blocks and does nothing. An
strace of the nsrjb process shows that it is trying to read from
/dev/sg1 which is the robotics arm of the L20. I have tried to move the
robotics arm of the L20 to a separate scsi controller but the symptoms
are the same.

Has anyone seen annything like this or (even better) a suggestion how to
fix it?

Kind regards

~christian


-- 
Christian Drexler               mail: cdrexler AT tee.toshiba DOT de
Systems Administrator           phone: +49 211 5296 322
Toshiba Electronics Europe      fax: +49 211 5296 79322
Duesseldorf, Germany            http://www.toshiba-europe.com



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