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Re: [Veritas-bu] Tape encryption
2007-09-20 21:06:02
The Decru encryption appliances definitely compress and I’d be
really surprised if the NeoScale ones didn’t. And you don’t actually lose
drive level compression – it remains enabled and compresses away the padding on
the tail end of the encrypted data set (admittedly not much). The encryption
and compression is done by the same processor in the Decru appliance but the
last tape block needs to be padded in the data stream. I do not believe that
the Decru compression/encryption takes up any more tape space than the original
unencrypted data compressed by the tape drive.
…/Ed
--
Ed Wilts, RHCE, BCFP, BCSD
Mounds View, MN, USA
mailto:ewilts AT ewilts DOT orrg
From:
veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Johnson,
Wesley
Sent: Thursday, September 20, 2007 1:04 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Tape encryption
Key
management for NetBackup encryption has historically been rough; also, you will
loose drive level compression. New encryption appliances will allow
for compression and simplified key management.
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