> From: JKK <johannes.karlsson AT SKYRR DOT IS>
> Reply-To: EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU>, JKK
> <johannes.karlsson AT SKYRR DOT IS>
> Date: Fri, 16 Jan 2009 19:19:29 -0500
> To: <NETWORKER AT LISTSERV.TEMPLE DOT EDU>
> Subject: [Networker] Backup philosophy
> 
> Hi all.
> 
> I warn you: This is a rather philosophical question. Some might think this
> is a dummy question. If your one of those, perhaps you have something to
> share. I wish there was some standard to follow in these things. I have the
> feeling I'm not alone wandering about this.
> 
> I would like to have your opinioun about data management on an EDL in
> conjunction with Networker.
> 
> In our case we're using the EDL to backup data with 4-8 weeks retention.
> Complete size of the whole mess is about 40TB. Thats the one-time-Full-
> Backup-of-Everything data size. Then we need to keep all the data for the
> duration of the retention time plus the incrementals. But we only have
> 100TB of EDL storage which can store about 200TB of data (with
> compression). 
> 
> Now what I'm thinking about is wheter or not we're going to load everything
> on the EDL and keep the retention periods very short, or if we should do
> some cloning to an external medium such as a phisical library.
> 
> It probably depends on the kind of data.
> -email
> -financial databases
> -other databases
> -fileserver data
> 
> Is it necessary to store this kind of data longer than 4 - 12 weeks?

This depends entirely on your business requirements and any legal
regulations for the type of data being backed up.

To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the body of the email. Please write to 
networker-request AT listserv.temple DOT edu if you have any problems with this 
list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER