Greetings,
Thanks for all of the responses. Basically, they confirmed what I already
believed.
On Tue, 26 Jun 2007, Sesar, Steven L. wrote:
> Date: Tue, 26 Jun 2007 08:39:26 -0400
> From: "Sesar, Steven L." <ssesar AT mitre DOT org>
> To: Kathryn Hemness <cckat AT reality.ucdavis DOT edu>,
> Jeff Lightner <jlightner AT water DOT com>
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Encrypted backups of already encrypted data
>
> It will definitely apply compression algorithms, regardless of the
> state of the data which is being backed up.
>
>
> ===================================
>
> Steven L. Sesar
> Lead Operating Systems Programmer/Analyst
> UNIX Application Services R101
> The MITRE Corporation
> 202 Burlington Road - MS K101
> Bedford, MA 01730
> tel: (781) 271-7702
> fax: (781) 271-2600
> mobile: (617) 519-8933
> email: ssesar AT mitre DOT org
>
> ===================================
>
>
>
>
> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu on behalf of Kathryn
> Hemness
> Sent: Mon 6/25/2007 6:12 PM
> To: Jeff Lightner
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Encrypted backups of already encrypted data
>
> Thanks, Jeff.
>
> My assumption was the same. I didn't think that NetBackup would bother
> to perform any checks to see if a file was already encrypted.
>
> My question was prompted from one of my clients. I don't have any way
> of knowing if any of my backup clients are encrypting their disk
> filesystems
> or partitions. I certainly hope my clients haven't purchased a
> NetBackup
> encryption license knowing their systems were already encrypting data.
>
>
> On Mon, 25 Jun 2007, Jeff Lightner wrote:
>
> > Date: Mon, 25 Jun 2007 14:10:44 -0400
> > From: Jeff Lightner <jlightner AT water DOT com>
> > To: Kathryn Hemness <cckat AT reality.ucdavis DOT edu>,
> > veritas-bu AT mailman.eng.auburn DOT edu
> > Subject: RE: [Veritas-bu] Encrypted backups of already encrypted data
> >
> > I'm assuming it wood. The NBU encryption method and keys would not
> > necessarily be the same as those used for the original data.
> >
> > The question is if the data is already encrypted why would you want
> to
> > slow down your backup by encrypting it again?
> >
> > -----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
> Kathryn
> > Hemness
> > Sent: Monday, June 25, 2007 1:40 PM
> > To: veritas-bu AT mailman.eng.auburn DOT edu
> > Subject: [Veritas-bu] Encrypted backups of already encrypted data
> >
> > Greetings,
> >
> > If I'm running an encrypted backup of already encrypted data, does
> > NetBackup re-encrypt the data?
> >
> > --Kathy
> > _______________________________________________
> > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> >
> >
>
>
> --Kathy
>
> =======================================================================
> Kathryn Hemness kfhemness AT ucdavis DOT edu
> System Administrator phone: 530.752.6547
> Campus Data Center & Client Services fax: 530.752.9154
> _______________________________________________
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
>
--Kathy
=======================================================================
Kathryn Hemness kfhemness AT ucdavis DOT edu
System Administrator phone: 530.752.6547
Campus Data Center & Client Services fax: 530.752.9154
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
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