Bacula-users

Re: [Bacula-users] bacula hang waiting for storage

2008-12-02 09:59:13
Subject: Re: [Bacula-users] bacula hang waiting for storage
From: Julien Cigar <jcigar AT ulb.ac DOT be>
To: Nils Blanck-Wehde <nils.blanck-wehde AT backofficeservice DOT biz>
Date: Tue, 02 Dec 2008 15:56:33 +0100
Same problem here with a Sony SDX-700C

On Tue, 2008-12-02 at 15:30 +0100, Nils Blanck-Wehde wrote:
> Hi!
> 
> Just wanted to let you know that I came across the exact same error 
> Error writing final EOF to tape. This Volume may not be readable.
> a couple of times with 2.4.2 using a Quantum DLT VS1 drive connected
> to Adaptec 29160LP. I don't think that the tape is really defective as
> bacula states. I could do working backups on these tapes later. Maybe
> its a problem with positioning (forwarding) the tape to the right
> position?
> If there is still interest in this issue I might search for the
> corresponding job-output.
> 
> Nils
> 
> Pasi Kärkkäinen schrieb: 
> > On Thu, Nov 27, 2008 at 05:53:41PM +0100, Arno Lehmann wrote:
> >   
> > > Hi,
> > > 
> > > 27.11.2008 15:10, Pasi Kärkkäinen wrote:
> > >     
> > > > On Thu, Nov 27, 2008 at 08:14:45AM +0100, Arno Lehmann wrote:
> > > >       
> > > > > Hi,
> > > > > 
> > > > > 26.11.2008 21:22, Bob Hetzel wrote:
> > > > >         
> > > > > > I've got bacula currently in a hung state with the following 
> > > > > > interesting 
> > > > > > info.  When I run a status storage produces the following...
> > > > > >           
> > > > > Is your Bacula still stuck? If so, and you have gdb installed, and a 
> > > > > Bacula with debug symbols, now might be a good time to see what it's 
> > > > > doing...
> > > > >         
> > > ...
> > >     
> > > > I have also seen this lately.. but that was with Bacula 2.5.18.
> > > > 
> > > > I could make that hang happen multiple times, but I'm not totally sure 
> > > > what
> > > > caused that..
> > > >       
> > > Well, if you can recreate the issue it's worth the effort building 
> > > Bacula with debug information so you get usable backtraces.
> > > 
> > > If the problem happens again, you can use gdb to create a backtrace, 
> > > showing the developers more details about what happens and thus 
> > > enabling them to fix the issue.
> > > 
> > > I would recommend that now.
> > > 
> > >     
> > 
> > And now it's stuck again.. 
> > 
> > Last output in bconsole:
> > 
> > 01-Dec 20:01 bacula-sd JobId 4231: Forward spacing Volume "Pool4-Vol-0111" 
> > to file:block 0:218.
> > 01-Dec 20:04 bacula-sd JobId 4231: Error: block.c:568 Write error at 
> > 509:3263 on device "IBM-LTO3-Drive" (/dev/nst0). ERR=Input/output error.
> > 01-Dec 20:04 bacula-sd JobId 4231: Error: Error writing final EOF to tape. 
> > This Volume may not be readable. dev.c:1723 ioctl MTWEOF error on 
> > "IBM-LTO3-Drive" (/dev/nst0). ERR=Input/output error.
> > 01-Dec 20:04 bacula-sd JobId 4231: End of medium on Volume "807NNNL3" 
> > Bytes=482,782,454,784 Blocks=7,483,606 at 01-Dec-2008 20:04.
> > 01-Dec 20:04 bacula-sd JobId 4231: 3307 Issuing autochanger "unload slot 7, 
> > drive 0" command.
> > 
> > bconsole is still usable after this..
> > 
> > "sta director" shows a lot of jobs waiting for execution (since this was a
> > 'copy pool uncopied jobs to tape'-job), but nothing happens really.
> > 
> > 
> > "sta storage" makes bconsole hang.. last output:
> > 
> > Device status:
> > Autochanger "IBM-LTO3-AutoChanger" with devices:
> >    "IBM-LTO3-Drive" (/dev/nst0)
> > Device "FSDevice0" (/mnt/backup1/pool00) is not open.
> > Device "FSDevice1" (/mnt/backup1/pool01) is not open.
> > Device "FSDevice2" (/mnt/backup1/pool02) is not open.
> > Device "FSDevice3" (/mnt/backup1/pool03) is not open.
> > Device "FSDevice4" (/mnt/backup1/pool04) is mounted with:
> >     Volume:      Pool4-Vol-0111
> >     Pool:        *unknown*
> >     Media type:  File4
> >     Total Bytes Read=3,848,656,896 Blocks Read=59,658 Bytes/block=64,512
> >     Positioned at File=0 Block=3,848,592,601
> > Device "IBM-LTO3-Drive" (/dev/nst0) is not open.
> >     Device is being initialized.
> >     Drive 0 is not loaded.
> > ====
> > 
> > Used Volume status:
> > 
> > <hangs here, have to kill the bconsole>
> > 
> > What kind of backtrace do you want? From which daemon? bacula-sd? 
> > 
> > -- Pasi
> >   
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-- 
Julien Cigar
Belgian Biodiversity Platform
http://www.biodiversity.be
Université Libre de Bruxelles (ULB)
Campus de la Plaine CP 257
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Boulevard du Triomphe, entrée ULB 2
B-1050 Bruxelles
Mail: jcigar AT ulb.ac DOT be
@biobel: http://biobel.biodiversity.be/person/show/471
Tel : 02 650 57 52


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