Backup Central

Hello Everyone!

I have a weird problem. I manage an one-maschine-backup with bacula
5.0.2 (Debian Squeeze) from localhost to a SCSI LTO-3 (Ultrium) drive.
It's a simple situation. When I label a tape then I can read back that
label with btape but after several days it's not possible to read back.
Backups failing btape readlabel shows empty tape.
I buy a new tape from the same type size (HP) but an another problem
occured only 200 GB can be written from the 400 (800) GB. There are many
tapes 25-30% of them usable but most of them non functional - the
backups were fail (with message to label a new tape, but all pools are
full in the database). If I delete from the pool the actual non-working
tape and use label command and run the backup session manually then all
things looks like ok. Should my drive damaged? How can I test it -
except btape test 'cause it is working - an other way? I guess it's not
because of bacula...

Dear List! If anybody got an idea why (bacula - tape - drive) triad
forget the label information don't hesitate and send a message to the list.

Thank your for your attention!


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Op 29/01/2012 14:54, Papp Rudolf Péter schreef:
Hello Everyone!

I have a weird problem. I manage an one-maschine-backup with bacula
5.0.2 (Debian Squeeze) from localhost to a SCSI LTO-3 (Ultrium) drive.
It's a simple situation. When I label a tape then I can read back that
label with btape but after several days it's not possible to read back.
Backups failing btape readlabel shows empty tape.
I buy a new tape from the same type size (HP) but an another problem
occured only 200 GB can be written from the 400 (800) GB. There are many
tapes 25-30% of them usable but most of them non functional - the
backups were fail (with message to label a new tape, but all pools are
full in the database). If I delete from the pool the actual non-working
tape and use label command and run the backup session manually then all
things looks like ok. Should my drive damaged? How can I test it -
except btape test 'cause it is working - an other way? I guess it's not
because of bacula...

Dear List! If anybody got an idea why (bacula - tape - drive) triad
forget the label information don't hesitate and send a message to the list.

Thank your for your attention!
If it's a HP drive, google for "hp_ltt" and download and install the HP
Library and Tape Tools. They can test your drive, tape, and look into
the past function history of the drive and tapes.

Regards,
Jeremy

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In the message dated: Sun, 29 Jan 2012 14:54:34 +0100,
The pithy ruminations from =?ISO-8859-2?Q?Papp_Rudolf_P=E9ter?= on
<[Bacula-users] cannot read prelabeled volume> were:
=> Hello Everyone!
=>
=> I have a weird problem. I manage an one-maschine-backup with bacula
=> 5.0.2 (Debian Squeeze) from localhost to a SCSI LTO-3 (Ultrium) drive.
=> It's a simple situation. When I label a tape then I can read back that
=> label with btape but after several days it's not possible to read back.
=> Backups failing btape readlabel shows empty tape.

Sounds very similar to what I described last week. See the list archive for
the subject "critical error -- tape labels get corrupted, previous backups
unreadable":


http://sourceforge.net/mailarchive/message.php?msg_id=28718589

Mark

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