Hello!
I'm setting up an HP autochanger with an LTO-7 drive with Bacula on Ubuntu
22.04 server at home. I've been able to run mt and mtx commands successfully
to erase a tape and change the loaded tape.
I've installed Bacula 13.0.1 using apt-get from the repo. I also installed
Bacularis for a GUI, but that isn't relevant to this issue. I've searched
Google and the mailing list archive and while I've seen others experiencing the
same problem from over a decade ago, I haven't found a fix.
I'm not sure if I am missing some udev rules or if it's something else.
When I try to run the btape test, I get this output.
./btape -c ../etc/bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:295-0 Using device: "/dev/nst0" for writing.
btape: btape.c:477-0 open device "LTO-7" (/dev/nst0): OK
*test
=== Write, rewind, and re-read test ===
I'm going to write 10000 records and an EOF
then write 10000 records and an EOF, then rewind,
and re-read the data to verify that it is correct.
This is an *essential* feature ...
btape: block.c:291-0 [SE0201] Write error at 0:0 on device "LTO-7" (/dev/nst0)
Vol=. ERR=Input/output error.
15-Sep 15:11 btape JobId 0: Error: block.c:291 [SE0201] Write error at 0:0 on
device "LTO-7" (/dev/nst0) Vol=. ERR=Input/output error.
15-Sep 15:12 btape JobId 0: Error: Backspace record at EOT failed.
ERR=Input/output error
btape: btape.c:1156-0 Error writing block to device.
Here's my bacula-sd.conf configuration:
Device {
Name = "LTO-7"
Description = "LTO-7"
MediaType = "LTO-7"
DeviceType = "Tape"
ArchiveDevice = "/dev/nst0"
AutomaticMount = yes
Autochanger = yes
RemovableMedia = yes;
RandomAccess = no;
AlwaysOpen = yes;
ChangerDevice = "/dev/sg3"
ChangerCommand = "/opt/bacula/scripts/mtx-changer %c %o %S %a %d"
AlertCommand = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
MaximumFileSize = 100G
LabelType = "Bacula"
LabelMedia = yes
}
Autochanger {
Name = "LTO-7 Autochanger"
Description = "LTO-7"
Device = "LTO-7"
ChangerDevice = "/dev/sg3"
ChangerCommand = "/opt/bacula/scripts/mtx-changer %c %o %S %a %d"
}
Any assistance would be greatly appreciated,
Doug
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