Hello everybody.

Thank you for having me.
I have searched the archives and found many references to timing and
looking at the script itself, but I am a bit stumped and maybe your
expert view can help.

OS: Centos 6.4
Bacula:
bacula-director-mysql-5.0.0-12.el6.x86_64
bacula-console-5.0.0-12.el6.x86_64
bacula-common-5.0.0-12.el6.x86_64
bacula-storage-mysql-5.0.0-12.el6.x86_64
bacula-director-common-5.0.0-12.el6.x86_64
bacula-client-5.0.0-12.el6.x86_64
bacula-storage-common-5.0.0-12.el6.x86_64
mtx:
mtx-1.3.12-5.el6.x86_64
mt:
mt-st-1.1-5.el6.x86_64
Mysql:
mysql-server-5.1.69-1.el6_4.x86_64 (and supporting)

All services come up as expected, bconsole status all shows that all is
well.

The tape loaders are Two IBM TS2900 with LT05 drive.

Executing
./mtx-changer /dev/sg2 listall /dev/nst0 0
lists all 8 slots as expected with the drive being in slot 0

(I had a tape already in the drive)
Executing
./mtx-changer /dev/sg2 unload 3 /dev/nst0 0
results in:
Unloading drive 0 into Storage Element 3...done
and mtx-changer successfully exits on the command line.

Executing
./mtx-changer /dev/sg2 load 3 /dev/nst0 0
results in:
Loading media from Storage Element 3 into drive 0...done
and mtx-changer successfully exits on the command line.

For all those operations the debug in mtx.log reads
20130529-18:41:58 Parms: /dev/sg2 listall /dev/nst0 0
20130529-18:41:58 Doing mtx -f /dev/sg2 -- to list all

20130529-18:42:31 Parms: /dev/sg2 unload 3 /dev/nst0 0
20130529-18:42:31 Doing mtx -f /dev/sg2 unload 3 0

20130529-18:45:45 Parms: /dev/sg2 load 3 /dev/nst0 0
20130529-18:45:45 Doing mtx -f /dev/sg2 load 3 0

mtx-changer.conf has only one variable set which is:
load_sleep=10

Executing bconsole I get the following status:
(for storage)
Device status:
Autochanger "Autochanger" with devices:
   "TS2900server" (/dev/nst0)
Device "backupstore" (/tmp) is not open.
Device "TS2900server" (/dev/nst0) is not open.
    Drive 0 status unknown.

mtx.log shows (after bacula-dir startup)
20130529-18:50:31 Parms: /dev/sg2 loaded 0 /dev/nst0 0
20130529-18:50:31 Doing mtx -f /dev/sg2 0 -- to find what is loaded
20130529-18:50:32 Parms: /dev/sg2 loaded 0 /dev/nst0 0
20130529-18:50:32 Doing mtx -f /dev/sg2 0 -- to find what is loaded

Since this is a fresh install with a cassette not yet catalogued I
wanted to run:
update slots scan
that is when the problems start.
Slot 1 has a cleaning tape

The system starts executing the first load trying to load the first Tape
into the drive, I can see it executing
./mtx-changer /dev/sg2 load 1 /dev/nst0 0
and after that is simply hangs until bconsole kills the command with a
Signal 15.


The same thing happens when mtx-changer is ran from the command line.
It will load, say done and then hang until I ctrl+c it.
It is as if mt cannot tell that the tape is ready when it is a cleaning
tape and then just hangs. The debug log shows

20130529-19:07:32 Device /dev/nst0 - not ready, retrying...


update slots in bconsole produces output:
3306 Issuing autochanger "slots" command.
Device "Autochanger" has 7 slots.
Connecting to Storage daemon tapestorage at backupibm.*.corp:9103 ...
3306 Issuing autochanger "list" command.
Volume "CLNU51L1" not found in catalog. Slot=1 InChanger set to zero.
Volume "432CEUL5" not found in catalog. Slot=2 InChanger set to zero.
Volume "434CEUL5" not found in catalog. Slot=3 InChanger set to zero.
Volume "488CFAL5" not found in catalog. Slot=4 InChanger set to zero.

So I am wondering if that is something anyone has experienced before.
What else could I be doing to debug this?
run mt status with a cleaning tape loaded versus a regular tape and
compare the output?

What would you suggest?
Thank you!





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