Well that looks pretty good Not sure if you are comfortable sharing info like this but what kind of data does that represent?
Normal User File data? Database data? Media Files? -----Original Message----- From: Justin Piszcz [mailto:jpis...@lucidpixels.com] Sent: 02 March 2010 14:49 To: Shekel Tal Cc: Kevin C; veritas-bu@mailman.eng.auburn.edu Subject: RE: [Veritas-bu] Sun/StorageTek based LTO4 encryption On Tue, 2 Mar 2010, Shekel Tal wrote: > I have also been looking at this as an option. > One of the considerations is the effect encryption has on compression. > > I have heard you loose the ability to compress effectively when using > compression. > > Have you noticed an effect on your tape drive compression when using > tape drive based encryption? Yes. LTO-4 TAPE = 800GB IBM LTO-4 ENCRYPTED (RATIO = ~1.5:1) ABCD25 3 67 02/17/2010 20:00 02/23/2010 00:00 hcart 1188618163 0 MPX 03/26/2010 00:00 N/A FULL ENCRYPTION ABCD36 3 101 02/18/2010 00:12 03/02/2010 00:00 hcart 1239789810 0 MPX 04/02/2010 00:00 N/A FULL ENCRYPTION IBM LTO-4 NO ENCRYPTION (RATIO = ~3.1:1) ABCD49 2 1144 02/23/2010 02:43 02/26/2010 01:32 hcart 2451541654 0 MPX 03/19/2010 02:49 N/A FULL ABCD50 2 1350 02/26/2010 01:32 03/01/2010 01:05 hcart 2377975447 0 MPX 03/22/2010 02:05 N/A FULL ABCD51 2 1275 02/24/2010 20:01 02/27/2010 10:40 hcart 2575741349 0 MPX 03/20/2010 11:40 N/A FULL Justin. _______________________________________________ Veritas-bu maillist - Veritas-bu@mailman.eng.auburn.edu http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu