If this is a hardware based encryption product, then you probably still want
the tape drive to do compression.  Although it won't do much, typically the
ends of blocks get compressed.  For our Decru appliances, the Decru expert
we had on site said to make sure that tape drive compression stayed enabled
since there will be a nice set of zeros padding the end of the buffers that
the drive will compress away.

        .../Ed
--
Ed Wilts, RHCE, BCFP, BCSD
Mounds View, MN, USA
mailto:ewilts AT ewilts DOT org

> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of X_S
> 
> ok, thanks for your response.  reason is, we're testing a new
> encryption product (compresses/encrypts) and the lto3 is new to me as
> well.  I did see elsewhere that the lto3 will disable compression
> automatically if it has to but i don't know how to confirm that this is
> actually happening.  therefore, i just wanted to see if i can disable
> it from the get-go so i can be sure that the results that i'm looking
> at are real.

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