OK John...I'll test it.
On Mon, Jul 25, 2011 at 12:13 PM, John Drescher <dresche...@gmail.com>wrote:
> On Mon, Jul 25, 2011 at 11:06 AM, Rickifer Barros
> <rickiferbar...@gmail.com> wrote:
> > I did this before....but, I didn't know how check in Debian if it really
> is
> > being compressed by the tape drive. The only thing that I got was the
> bacula
> > information about the SD and FD Written and the "mt" command in Linux
> don't
> > say me the real data size of the volume, so I chose to trust on the
> software
> > compression...YEAH I'm noob on Tape manipulation... :t
> >
>
> Just fill a tape with bacua. Then look at its status bacula will tell
> you how much data has been written to the tape. If this amount is >
> than the tape's native size compression is on. Remember the tape drive
> compresses data at 120 MB/s while software compression you will be
> lucky to get 1/10 that if you have a 4 GHz processor.
>
> John
>
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