Re: [Bacula-users] Question about Tape handling

[Arno L. <al...@it...>]

Hi,

On 2/27/2007 7:12 PM, Tim Schoellhammer wrote:
> Kern Sibbald schrieb:
> 
> 
>>>It is two times faster in recovery as the veritas backupexec.
>>
>>Nice.  Thanks for reporting that.  It is always nice to be faster than the big 
>>guys :-)
>>
>>By the way, I imagine you have done so, but please run a btape "test" to 
>>ensure that your new Device resource works correctly with your drive.  I have 
>>no reason to believe that it won't but it is always good to check.  
>>btape "test" is not 100% foolproof, but it will catch a lot of subtile 
>>problems that could show up later ...
>>
> 
> 
> Yes i did run btape and "test". Before and after the changes both works 
> correctly thats wy i get confused.

Well, I'm not a FreeBSD person, but I hope they (Dan especially :-) 
allow me to point out that the Two EOF for EOT can really bite you - 
this seems to be more or less BSD-specific...

(and I know that the linux kernel is also kind of funny when working 
with tapes.)

It seems like there is no common standard regarding how a tape drive 
should behave from the applications point of view - SysV, BSD and linux 
are quite incompatible there. Really a shame...

Arno

> I tested also a backup of testfiles.
> 
> dd if=/dev/urandom of=/backupdir/test1.file
> ....
> multiple times.
> 
> make a md5sum from the files.
> Take a Backup. Delete the files and make a restore to full testing the 
> backup an restore functions.
> After the restore i compare the md5sum of the files an all is correct.
> 
> Thanks to Kern an the other Developers of this great software.
> 
> Tim
> 
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-- 
IT-Service Lehmann                    al...@it...
Arno Lehmann                  http://www.its-lehmann.de