Networker

Re: [Networker] de-duplication

2008-11-06 17:26:35
Subject: Re: [Networker] de-duplication
From: David Dulek <ddulek AT FASTENAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 6 Nov 2008 16:22:46 -0600
They're "solution" currently is to recover the savesets to a secondary
machine and to use Networker to back that up to tape.

Although technically correct that the data gets to tape ...

Well, there is a reason that is coming from the sales guys and not a
technical person.

On Thu, 2008-11-06 at 14:47 -0600, Lancy Quadros wrote:
> We had a meeting yesterday with the Avamar folks at EMC. They mentioned
> that it is possible to tape out the data that lands on the Avamar grid
> using Networker - did not go into the details of how that is done.
> 
> For backing up databases, we were told that there are modules for
> Oracle, SQL Server, Exchange etc but there is no licensing costs for
> those. The licensing is based on the compressed capacity and not on
> features.
> 
> We have been invited to see the product in action at the EMC offices in
> Warrenville IL.
> 
> Lancy
> 
> -----Original Message-----
> From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] 
> On
> Behalf Of David Dulek
> Sent: Thursday, November 06, 2008 9:43 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] de-duplication
> 
> There are rumors that this will be resolved soon but I don't know how
> much to believe rumors.  EMC could jump in here, they do monitor this
> list, but they probably won't to avoid committing to anything.
> 
> On Thu, 2008-11-06 at 09:07 -0500, brerrabbit wrote:
> > Francis Swasey wrote:
> > > On 11/5/08 12:42 AM, tkimball wrote:
> > > 
> > > Datadomain also plays in this space -- We have used their equipment
> for 
> > > several years now.  The one gotcha with dedup is that you must write
> 
> > > your own scripts if you want to implement staging.  Because of the 
> > > de-dup process, moving a 1TB saveset off the aftd to another medium
> will 
> > > not (or at least shouldn't) free up 1TB of space on the de-dup 
> > > appliance.  I've asked EMC if their Avamar based de-dup product has 
> > > solved that issue -- no answer yet.
> > > 
> > > 
> > 
> > 
> > Frank, the answer to your question about the Avamar is "no", because
> other than replicating to another Avamar unit, there is no way to move
> or copy the data once it lands on the Avamar server.  The entire
> architecture is designed to put it on disk, replicate it to a separate
> unit over IP, and leave it alone until it expires.  Before EMC bought
> them, I know of at least two approaches that Avamar (the company) was
> trying to float to address the need to get the backed-up data on to
> other media, but both are deprecated or unavailable as of the current
> version (4.x)
> > 
> > HTH
> > --brerabbit
> > 
> >
> +----------------------------------------------------------------------
> > |This was sent by drhulme AT tarrantcounty DOT com via Backup Central.
> > |Forward SPAM to abuse AT backupcentral DOT com.
> >
> +----------------------------------------------------------------------
> > 
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