Hello,
On 1/23/2006 10:32 PM, Steve Loughran wrote:
Hi all
First off, I have bacula (v1.38) up and running at work with a Overland
LTO3 unit (zero problems!), so I thought it might be worth getting it
set up at home as well (hell, my MP3s are far more important than work
data :)
Sure... (how many, and do you want to share? ;-)
Just joking...)
... and I run into a problem at the first hurdle. I am trying to run
"btape" to check the autochanger, and its failing (yes, even with the
"mt $device offline" line enabled in mtx-changer)
...
3303 Issuing autochanger "load 1 0" command.
btape: btape.c:1176 Changer=/etc/bacula/mtx-changer /dev/sg0 load 1 /dev/nst0 0
3303 Autochanger "load 1 0" status is OK.
btape: dev.c:277 open dev: tape=2 dev_name="ADIC-DLT7000" (/dev/nst0) vol=
mode=OPEN_READ_WRITE
btape: dev.c:323 open dev: device is tape
btape: autochanger.c:249 Locking changer ADIC-Library
23-Jan 20:56 btape: 3301 Issuing autochanger "loaded drive 0" command.
btape: autochanger.c:220 run_prog: /etc/bacula/mtx-changer /dev/sg0 loaded 1
/dev/nst0 0 stat=0 result=1
23-Jan 20:56 btape: 3302 Autochanger "loaded drive 0", result is Slot 1.
btape: autochanger.c:258 Unlocking changer ADIC-Library
btape: dev.c:338 Try open "ADIC-DLT7000" (/dev/nst0) mode=OPEN_READ_WRITE
nonblocking=2048
btape: dev.c:369 openmode=2 OPEN_READ_WRITE
btape: dev.c:382 open dev: tape 3 opened
btape: btape.c:338 open device "ADIC-DLT7000" (/dev/nst0): OK
btape: dev.c:621 rewind res=0 fd=3 "ADIC-DLT7000" (/dev/nst0)
btape: dev.c:277 open dev: tape=2 dev_name="ADIC-DLT7000" (/dev/nst0) vol=
mode=OPEN_READ_WRITE
btape: dev.c:323 open dev: device is tape
btape: autochanger.c:249 Locking changer ADIC-Library
23-Jan 20:56 btape: 3301 Issuing autochanger "loaded drive 0" command.
btape: autochanger.c:220 run_prog: /etc/bacula/mtx-changer /dev/sg0 loaded 1
/dev/nst0 0 stat=0 result=1
23-Jan 20:56 btape: 3302 Autochanger "loaded drive 0", result is Slot 1.
btape: autochanger.c:258 Unlocking changer ADIC-Library
btape: dev.c:338 Try open "ADIC-DLT7000" (/dev/nst0) mode=OPEN_READ_WRITE
nonblocking=2048
btape: dev.c:369 openmode=2 OPEN_READ_WRITE
btape: dev.c:382 open dev: tape 3 opened
btape: btape.c:1198 Bad status from rewind. ERR=dev.c:672 Rewind error on
"ADIC-DLT7000" (/dev/nst0). ERR=Input/output error.
The test failed, probably because you need to put
a longer sleep time in the mtx-script in the load) case.
Adding a 30 second sleep and trying again ...
3301 Issuing autochanger "loaded" command.
btape: btape.c:1133 run_prog: /etc/bacula/mtx-changer /dev/sg0 loaded 1 /dev/nst0 0
stat=0 result="1
"
Slot 1 loaded. I am going to unload it.
btape: btape.c:1147 Results from loaded query=1
Well, that might easily be solved... I guess the timeout after the wait
is not long enough. I'm using a DLT4000 drive here, and sometimes, with
tapes initialized by higher capacity drives, I see load times of several
minutes.
My workaround was not to set the sleep timeout to a very high value, but
rather to enable the function wait_for_drive in the mtx-changer script.
Works great, usually.
To investigate if thiat is really your problem, you can do the following:
Stop the SD or unmount the tape drive.
From a shell, use mtx to load a tape.
as soon as mtx returns, use tapeinfo to query the tape drives state.
Usually, you will _not_ get a ready and BOT state.
That's the result of the independance of loader and drive in the ADIC
FastStor devices - mtx returns as soon as the loader has done its work,
but then the drive only started. And DLT loading can take quite long.
Arno
--
IT-Service Lehmann [EMAIL PROTECTED]
Arno Lehmann http://www.its-lehmann.de
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