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 ------------------------------------------------------------------------------ Storage Efficiency Calculator This modeling tool is based on patent-pending intellectual property that has been used successfully in hundreds of IBM storage optimization engage- ments, worldwide. Store less, Store more with what you own, Move data to the right place. Try It Now! http://www.accelacomm.com/jaw/sfnl/114/51427378/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
