>>>>> On Tue, 19 Feb 2013 19:12:35 +0000, GILES Stephen said:
> 
> Thanks for the links.
> I have read a few of those bits, and figured it was backward compatible also.
> Just tried your suggestion and I get exactly the same error.
> 
> It really has me stumped, and I'm surprised other people have not come across 
> it. Because I get the same thing for every 3.0.2 tape I have tried.
> 
> Any other thoughts?

You could try to find out exactly what the SD process has read from the tape,
e.g. using "strace -f -s 1024 ..." or gdb breakpoints.

You could add a file storage device with Archive Device = /tmp, dd the first
block to a file in /tmp and then run "bls -d 200 /tmp/filename" to see what
that says about the label (expect an error about "Wrong Volume mounted on
device").

__Martin


> 
> Stephen.
> ________________________________________
> From: lst_hoe02 AT kwsoft DOT de [lst_hoe02 AT kwsoft DOT de]
> Sent: 19 February 2013 14:55
> To: bacula-users AT lists.sourceforge DOT net
> Subject: Re: [Bacula-users] FW: difficulty reading tapes after upgrade 3.0.2 
> -> 5.2.12
> 
> Zitat von GILES Stephen <stephen.giles AT ed.ac DOT uk>:
> 
> > Hello,
> >
> > Is anyone able to suggest anything, or point me in a direction?
> > Have I hit an unknown bug as I can't think what else to try.
> >
> > My bacula-sd.conf looks like this.
> >
> > Please see additional information below.
> >
> > ----------
> > Storage {                             # definition of myself
> >   Name = iota-sd
> >   SDPort = 9103                  # Director's port
> >   WorkingDirectory = "/var/spool/bacula"
> >   Pid Directory = "/var/run"
> >   Maximum Concurrent Jobs = 20
> > }
> >
> > Director {
> >   Name = iota-dir
> >   Password = "###"
> > }
> >
> >
> > # NEO2000 tapedrive1
> > Device {
> >   Name = NeoLTO3-0
> >   Drive Index = 0
> >   Media Type = LTO3
> >   Archive Device = /dev/nst0
> >   Device Type = Tape
> >
> >   AutoChanger = yes;
> >   AutomaticMount = yes;
> >   AutoSelect = yes;
> >
> >   AlwaysOpen = no;
> >   RemovableMedia = yes;
> >   RandomAccess = no;
> >   Maximum Network Buffer Size = 262144
> >   Maximum File Size = 10gb
> >
> >   Minimum blocksize = 262144
> >   Maximum blocksize = 262144
> >
> >   Spool Directory = /bacula-spool/1/
> > }
> >
> > # NEO2000 jukebox
> > Autochanger {
> >   Name = NEO2000-1
> >   Device = NeoLTO3-0
> >   Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
> >   Changer Device = /dev/sg13
> > }
> >
> > Messages {
> >   Name = Standard
> >   director = iota-dir = all
> > }
> >
> >
> 
> 
> Hello
> 
> The documentation for the on-tape-format is here:
> 
> http://www.bacula.org/2.4.x-manuals/en/developers/Storage_Media_Output_Format.html
> 
> and at first glance old tape from version 3.x should be readable and
> http://www.bacula.org/5.2.x-manuals/en/main/main/Bacula_Security_Issues.html#SECTION004310000000000000000
>  also suggest
> so.
> 
> One thing to try is to only set the Maximum blocksize = 262144 and
> leave the Minimum blocksize at the default (0) to prevent Bacula from
> using *fixed* blocksize.
> 
> Regards
> 
> Andreas
> 
> 
> 
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