Storage and Archival - Who are the right candidates

We are the middle of decising an IT DR strategy and I want to merge it with a long pending decision on an Archival solution. Yes,we have been told that Symantec's EV offering rules the day when it comes to Email archiving (exchange), but I was wondering, what about my flat files (documents, spreadsheets, acad drawings, oracle DB data etc.) would an email archival solution take care of these other files occupying huge disk space on my NAS/ SANs?

Also, in terms of storage, there are offerings by many but the one that grabs our eye is an offering by compellent storage. It does ILM, thin replication and multi tiered storage all in one box. Are there any other offerings that we might want to look at?

For those who have been there and done that...pls advise!
fahimAsked:
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Gerald ConnollyCommented:
Basic Archival strategies usually revolve around taking a fullbackup of your system (say monthly) and storing it off site (hopefully at least 2 copies in different off-site stores) and manually managing what is on what tape and where, retention periods etc. This is the lowest capital cost, but has a high management cost and prone to manual errors!

You will find that most Backup/Restore packages offer an archive module (at extra cost) or you can go for a HSM (Hierarchical Storage Management) system or the whole hog with ILM. Obviously these two options increase the costs dramatically.

and of course its not as simple as that, over the last year de-duplication has arrived and given us even more choice, as did CDP (continuous data protection) the year before.
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