Hi all,
Am 06.08.2026 um 05:51 schrieb Rob Gerber:
I believe the problem could be that you wrote eof to the drive using the
non-rewinding device, unless you issued a rewind separately.
However, the tape being unlabeled doesn't entirely fit that theory.
Just in case, here is the string I use to wipe a tape:
sudo mt -f /dev/st0 eof
I think that should be mt -f ... weof 2
The "w" is optional. The 2 may make a difference as by convention, 2 EOF
marks are considered an End of Data / End of tape and thus will make it
clear that this tape is really not containing data.
Also, do make sure to rewind beforehand, as Rob mentioned, unless it was
freshly loaded into the drive.
A tape without a Bacula label at its beginning but containing readable
data will not be used by Bacula, which is the way it should be.
Are you sure the tape's write protect flag is disengaged?
If none of my suggestions help, please reply with the version of bacula
you are using. Also, how many drives do you have? Is it possible the
label command is referencing the wrong drive?
And if all this doesn't lead anywhere, try using btape. You'll have to
unmount/release in Bacula, or stop the SD first, but then you'll have a
tool to first investigate, then explicitly wipe and manually relabel.
After that, using the bconsole 'add' command should get things sorted out.
However, if this is needed, the investigation step should not be skipped
-- it's a good idea to be able to really trust the Bacula labeling process.
Cheers,
Arno
Regards,
Robert Gerber
402-237-8692
[email protected] <mailto:[email protected]>
On Wed, Aug 5, 2026 at 6:41 PM Kelly Price <[email protected]
<mailto:[email protected]>> wrote:
Hi
I have a tape “NTA658” that had an apparent barcode label error
on it. I replaced the barcode label with a new one and did a mt -f /
dev/nst0 erase. I’m now trying to relabel it (new label = ARR379L8”)
but I get the following:
*label barcode
Automatically selected Storage: Changer1
Connecting to Storage daemon Changer1 at
fnas1.cse.eng.auburn.edu:9103 <http://fnas1.cse.eng.auburn.edu:9103> ...
3306 Issuing autochanger "slots" command.
Device "Drive-1" has 16 slots.
Connecting to Storage daemon Changer1 at
fnas1.cse.eng.auburn.edu:9103 <http://fnas1.cse.eng.auburn.edu:9103> ...
3306 Issuing autochanger "list" command.
The following Volumes will be labeled:
Slot Volume
==============
1 ARR379L8
Do you want to label these Volumes? (yes|no): yes
Defined Pools:
1: CleaningPool
2: Default
3: Scratch
Select the Pool (1-3): 2
Connecting to Storage daemon Changer1 at
fnas1.cse.eng.auburn.edu:9103 <http://fnas1.cse.eng.auburn.edu:9103> ...
Sending label command for Volume "ARR379L8" Slot 1 ...
3912 Failed to label Volume ARR379L8: ERR=block.c:588 The
Volume=ARR379L8 on device="Drive-1" (/dev/nst0) appears to be unlabeled.
Label command failed for Volume ARR379L8.
Thanks for any help,
Kelly
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Arno Lehmann
IT-Service Lehmann
Sandstr. 6, 49080 Osnabrück
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