Veritas-bu

Re: [Veritas-bu] Encryption and compression

2009-05-22 10:19:32
Subject: Re: [Veritas-bu] Encryption and compression
From: James Pattinson <jamesp AT hisser DOT org>
To: Travis Kelley <rhatguy AT gmail DOT com>
Date: Fri, 22 May 2009 15:16:19 +0100
Hi Travis

Are you sure about the fact that NBU will automatically compress before 
encryption without being told? Could be useful :)

James

Travis Kelley wrote:
> Yoiu are correct that encrypted data is not compressible.  Netbackups
> client based encrytion knows this and will apply compression first
> then encryption.  If you use client based encryption, then client
> based compression is your onlu option.  Hardware compression on your
> tape drives will be effectively worthless.
>
> On 5/22/09, James Pattinson <jamesp AT hisser DOT org> wrote:
>   
>> Hi All
>>
>> Does anyone know if NetBackup's client encryption option compresses the
>> data before it's encrypted?
>>
>> If not am I right in assuming that this data won't be compressible even
>> by hardware compression afterwards :)
>>
>> Cheers
>> James
>> _______________________________________________
>> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
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>>
>>     
>
>   

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