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List:       bacula-users
Subject:    Re: [Bacula-users] Multiplexing multiple jobs to tape
From:       Ryan Novosielski <novosirj () umdnj ! edu>
Date:       2007-09-13 17:54:10
Message-ID: 46E97942.6040406 () umdnj ! edu
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There were at one time serious problems with this when it came to
reading the data back. I would test it out even if you do plan to use
it, but apparently restores will be much quicker/more reliable if you do
not do this and instead spool the data.

Alan Brown wrote:
> Chris Howells wrote:
>> Hi,
>>
>> I am trying to figure out whether bacula supports multiplexing multiple 
>> simultaneous backup jobs to the same tape - having googled, the results 
>> are inconclusive :)
>>   
> Yes, but you end up with interleaved jobs on tape and restore becomes 
> VERY slow due to the drive having to constantly shoeshine while skipping 
> over the other interleaved jobs.
> 
> It is far better to build a very fast raid0 array to spool data onto and 
> then dump that spool to tape.
> 
> 
> 
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 |Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Systems Programmer II
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