Hi,

27.06.2008 15:15, Felix Brack wrote:
> John Drescher wrote:
>>> dmesg reports this:
>>>
>>> st0: MTSETDRVBUFFER only allowed for root
>>>
>>> Might this be the root of all evil?
>> It is possible but I am not sure. I did a quick google search and got
>> quite a few hits but the first few did not point to any problems
>> caused by this error. They did point to one question though. Does what
>> ever user that the bacula-sd runs under have rwx permissions?
> 
> I did already google for this MTSETDRVBUFFER 'problem' but it did not 
> help. Due to some other reason I currently run bacula-sd as user root 
> and group tape, so this should not be the problem.
> 
> What do you mean by 'rwx permissions'? The permissions on the device 
> (/dev/st0 or /dev/nst0)? If so they are both set to rw-, execution bit 
> on these files is not set; I think that's correct, isn't it?

Yes. It's not really useful to have a tape device executable...

>>>  Bacula shows no append errors. I
>>> suppose by 'btape tests' you mean the tests in bacula manual chapter 37,
>>> 'Testing Your Tape Drive With Bacula'; yes, I did run these tests.
>>> Probably I should rerun them and note the results?

Yes.

Also try dd and/or tar with that drive; last time I had to look into 
this, IDE tapes were a real pain under linux (basically unusable). 
With today's SATA plus libata things might have improved, but still I 
guess the real problem might be badly supported hardware in your case. 
Not by Bacula itself, but by the underlying drivers in the kernel.

Arno

>> You may want to try this test as the bacula user or (whatever user
>> runs the bacula-sd).
>>
>> John
> 
> 
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-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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