CommVault first to de-dupe to tape

CommVault has updated its data protection and management product Simpana so it can store de-duplicated data on tape - something no other product does. Generally accepted rules say that the most efficient way of storing data - de-duplicated with repeating patterns taken out - can't be used with tape, the cheapest long-life …

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Posted Monday 26th January 2009 12:48 GMT

Anonymous Coward

Is all it seems?

Is this true "de-dup" i.e. at file segment or block level or is it simply single instance?

What about impact on restore times if pulling back from tape? Performance metrics?

Posted Monday 26th January 2009 15:07 GMT

Anonymous Coward

Is there anybody out there who isn't doing 2 stage backup these days

We're not that big of a shop, and our data protection scheme starts with a disk-to-disk backup for easy recover of the near-realtime data, with the disk storage then being run to tape. Since the de-duping is easily done on disk, what's the need for the tape to do it?

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