Bacula-users

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

2008-12-04 09:19:31
Subject: Re: [Bacula-users] bacula hang waiting for storage
From: Julien Cigar <jcigar AT ulb.ac DOT be>
To: Martin Simmons <martin AT lispworks DOT com>
Date: Thu, 04 Dec 2008 15:17:54 +0100
On Thu, 2008-12-04 at 13:50 +0000, Martin Simmons wrote:
> >>>>> On Thu, 04 Dec 2008 14:20:37 +0100, Julien Cigar said:
> > 
> > On Thu, 2008-12-04 at 12:50 +0000, Martin Simmons wrote:
> > > >>>>> On Thu, 04 Dec 2008 12:04:34 +0100, Julien Cigar said:
> > > > 
> > > > On Thu, 2008-12-04 at 11:33 +0100, Ralf Gross wrote:
> > > > > Julien Cigar schrieb:
> > > > > 
> > > > > Are you sure you need these additional options?
> > > > > 
> > > > > >   Hardware End of Medium = no
> > > > > >   Backward Space Record  = no
> > > > > >   Backward Space File    = no
> > > > > >   Fast Forward Space File = no
> > > > > >   BSF at EOM = yes
> > > > > >   Two EOF = yes
> > > > > 
> > > > > 
> > > > 
> > > > Yes, apparently it's needed for FreeBSD :
> > > > 
> > > > gemini# pwd
> > > > /usr/ports/sysutils/bacula-server/files
> > > > gemini# cat pkg-message.server.in
> > > 
> > > Despite the wording in that file, it is not true for all drives.  These
> > > options work perfectly for me on FreeBSD 4 with an HP LTO-1:
> > 
> > Ok.. good to know.
> > 
> > To configure the SD I just did a "mt -f /dev/nsa0 geteotmodel", it
> > replied with 2 filemarks at EOT and then I followed the instructions of
> > the port maintainer (as I have almost no idea how to adjust most of
> > those parameters).
> 
> Yes, I have to use "mt -f /dev/sa1.ctl seteotmodel 1" to initialize the drive.
> This sometimes needs to be repeated after inserting the first tape after
> booting, though it is persistent after that.
> 

This may be a stupid question but, how do you know if you need to set
EOT to one or two filemarks ? Apparently this one depends of the
hardware, but I haven't seen anything in my tape manual for that ..

> 
> > Anyway, if the btape tests passes with those values I can be relatively
> > confident that they are safe for my tape drive (and that the SCSI
> > cable/terminator is OK) ?
> 
> Safe yes, but SCSI problems can be somewhat random and data-specific, so the
> btape tests might not detect them.
> 
> __Martin
-- 
Julien Cigar
Belgian Biodiversity Platform
http://www.biodiversity.be
Université Libre de Bruxelles (ULB)
Campus de la Plaine CP 257
Bâtiment NO, Bureau 4 N4 115C (Niveau 4)
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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