>>OST isn't NAS/CIFS.  It's a completely different protocol.  Tests on
DD
show it to be at least 100% faster than CIFS.  (FWIW)  Also, it can be
done over Fibre Channel, as some other vendors are working on.

- I don't think it's really accurate to refer to OST as a protocol
although I have seen DD do it, it's an API but this is really just
semantics.  In its current mode, the data path is over the LAN which is
what's important as it can be a significant bottleneck.  Unless
something has changed very recently, DD will not present disk and do OST
over FC.

http://www.datadomain.com/pdf/DataDomain-OST-Datasheet.pdf


>>I objected to the "short version" so strongly because Quantum sales
reps
apparently continue to propagate it as a sales tactic, and that's just
BS.  IMHO, it shouldn't in any way factor into your decision on which
product to buy.

- For the record, I've never heard that from Quantum and I was just
being lazy and didn't want to go deep into the legal side.


Curtis - 

As we objectively discuss the pluses and minuses of the various
deduplication technologies out there, don't you think full disclosure
would be in order and it would be customary to mention that Glasshouse
is a partner of Data Domain?

http://www.datadomain.com/partners/technology-partners.html#glasshouse


Geoff Stafford
Barclaycard US
Data Protection Engineering
office: 
mobile: 




Barclays             www.barclaycardus.com

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