Bacula-users

Re: [Bacula-users] tape error and bacula: ...block numbers differ

2009-02-05 11:14:55
Subject: Re: [Bacula-users] tape error and bacula: ...block numbers differ
From: Michael Galloway <mgx AT ornl DOT gov>
To: Bastian Friedrich <bastian.friedrich AT collax DOT com>
Date: Thu, 05 Feb 2009 11:12:47 -0500
On Thu, Feb 05, 2009 at 04:54:33PM +0100, Bastian Friedrich wrote:
> Hi,
> 
> On Wednesday 04 February 2009, Ralf Gross wrote:
> >
> > JobId 9250: Error: block.c:568 Write error at 411:14724 on device
> > "ULTRIUM-TD4-D2" (/dev/ULTRIUM-TD4-D2).  ERR=Eingabe-/Ausgabefehler.
> > JobId 9250: Error: Re-read of last block OK, but block numbers differ.
> >              Last block=32305463 Current block=32307189.
> > JobId 9250: End of medium on Volume "A00151L4" Bytes=411,923,570,688
> >             Blocks=6,385,223 at 03-Feb-2009 20:44.
> >
> >
> > And at the same time in the kernel log:
> >
> > kernel: sense key: Medium Error
> > kernel:     Additional sense: Write error
> > kernel: Info fld=0xfc00
> >
> 
> this is just a quick "me too"-message; one of our customers (also using a 
> modern LTO drive, btw) is having the exact same results. In his case, though, 
> the problems occur rather frequently.
> 
> We are having difficulties debugging the problem sensibly, as the concerned 
> server is in full production (for quite a number of other services).
> 
> No modification of tape behavior via stinit. Is there any sensible way to 
> request the configuration data from the drive? The ones mentioned in the "How 
> to test the drive" chapter do not seem to work for me; mt stsetoptions does 
> not result in any output in the system log/dmesg.
> 
> Thx
>    Bastian
>

i too have scsi LTO-4's and have similar scsi issues. working through more scsi 
issues
at this moment. 

-- michael

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