Evening...

I'm repeatedly seeing the following messages cancelling my backup jobs:

==============================
03-Nov 08:11 torf-dir: Start Backup JobId 206, 
Job=BackupCatalog.2005-11-03_08.10.00

03-Nov 08:13 torf-sd: BackupCatalog.2005-11-03_08.10.00 Fatal error: 
device.c:317 Unable to open device /dev/nst0. ERR=dev.c:289 stored: unable 
to open device /dev/nst0: ERR=Input/output error

03-Nov 08:13 torf-fd: BackupCatalog.2005-11-03_08.10.00 Fatal error: 
job.c:1665 Bad response to Append Data command. Wanted 3000 OK data
, got 3903 Error append data

03-Nov 08:13 torf-dir: BackupCatalog.2005-11-03_08.10.00 Error: Bacula 
1.36.2 (28Feb05): 03-Nov-2005 08:13:26
==============================

The storage daemon should be able to open /dev/nst0. "lsof" shows
no other processes accessing it. So I don't see a reason why Bacula
is unable to open that device. Once I saw that error message (from a status 
email telling me the backup has failed) all subsequent backups will fail 
with the same error. But when I restart both the director and the storage 
daemon I can suddenly run a successful backup.

This is my Device configuration in the storage daemons config file:

Device {
  Name = Streamer
  Media Type = DDS-3
  Archive Device = /dev/nst0
  AutomaticMount = yes;
  AlwaysOpen = no;
  RemovableMedia = yes;
  RandomAccess = no;
  VolumePollInterval = 60
  OfflineOnUnmount = yes
  CloseOnPoll = no
  MaximumOpenWait = 2 days
}

Is there anything I can try to debug in this special case? It's a DDS-3 
streamer (SCSI) driven by a 2.6.10 Linux kernel. Currently half of my jobs 
need to be re-done manually which is a bit annoying.

I'm running Bacula version 1.36.2 on Debian/Sarge.

 Christoph
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