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COW Reviews: Storage Systems SAS RAID from Dulce Systems

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COW Reviews: Storage Systems SAS RAID from Dulce Systems
on Jul 19, 2007 at 7:47:11 pm

SAS RAID from Dulce Systems

Creative COW Contributing Editor Bob Zelin talks about the latest step in the Serial Attached Storage revolution: full RAID 5 protection with read speeds over 350 mb/sec. from Dulce Systems. At least that's what Dulce claimed. When he heard the rest of what Dulce had to say, Bob simply didn't believe them. When he put those claims to the test, he got a lot more than he bargained for. Will you?


Click on the link above to read Bob's review.

Kathlyn Lindeboom
Creativecow.net


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Alan Okey
Re: COW Reviews: Storage Systems SAS RAID from Dulce Systems
on Jul 22, 2007 at 6:02:48 am

Not to be pedantic, but SAS is an acronym for Serial Attached SCSI, not Serial Attached Storage.

Some tidbits:

Some SATA RAIDs use SAS connectors, but they don't have SAS drives in them.

SAS host adapters can use both SAS and SATA drives, but SATA host adapters can only use SATA drives.

SAS controllers and drives are best suited for server use because the faster drive seek time (due to the availability of 15k rpm drives) and ability to handle multiple simultaneous requests benefits the large number of small IO transactions that servers typically encounter. Video storage doesn't really benefit from these SAS-specific properties, so SATA drives offer a better price/performance ratio for video RAID applications.


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