Networker

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

2006-01-13 04:20:31
Subject: Re: [Networker] AW: [Networker] Linux storage node strangeness
From: Christian Drexler <cdrexler AT TEE.TOSHIBA DOT DE>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Fri, 13 Jan 2006 10:19:05 +0100
Good morning Christo,
regular backups on the L20 are running fine, even those spanning more
than one volume. Actually the tape inside the L20 contains only 60 GB of
data when the problem occurs.
There were no SCSI errors in the logs.
I am trying nsrexecd -D9 right now.

Thanks for the input!

~christian

Christo Papadoulis wrote:
> 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


**********************************************************************
CONFIDENTIALITY DISCLAIMER

The information in this email and in any attachments is confidential and may be 
privileged.  If you are not the intended recipient, please destroy this message,
 delete any copies held on your systems and notify the sender immediately.
  
You should not retain, copy or use this email for any purpose outside of any NDA
currently existing between Toshiba Electronics Europe GmbH and yourselves.
**********************************************************************

To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the
body of the email. Please write to networker-request AT listserv.temple DOT edu 
if you have any problems
wit this list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER

<Prev in Thread] Current Thread [Next in Thread>