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BridgeSTOR has a dedupe card for Windows NAS boxes that will provide a 35 per cent storage saving – or your money cheerfully refunded. The PCIe (x4) card has an Exar 8200 processor and accompanying software that adds deduplication, compression, thin provisioning, and encryption to Windows Server 2008 R2 Network-Attached Storage …

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FAIL

Dedupe for unstructured data....

"...Just think about a dozen office workers storing a copy of an email attachment on their home directories."

Well, those "unstructured" files are not deduped because they are precompressed files. To get to the blocks, the card would need to decompress these files, and reassemble them after dedupe. A whole mess and major performance impact, no system would dare to make. So the dedupe here is limited to non precompressed, unstructured files, which are not that frequent... Result? Zero effect from this deduplication on stored email attachments...

There is only one thing you can do to reduce unstructured files on primary storage and that is native format optimization. The truth is simple sometimes...

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To Chris Schmid: Well, not exactly. The BridgeSTOR solution operates at the NTFS cluster level, below the file system and above the block storage device, so it is indifferent to the composition of the data it processes. Let's take your comment about the attachments being compressed and stored in that format. The underlying blocks stored in recipient #1's home directory (compressed in your scenario) would still be deduplicated against the same blocks stored in recipient #2's home directory. Deduplication at this level is powerful, unobtrusive and highly effective. You should check out BridgeSTOR's web site and take advantage of their money-back offer.

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