On 02/14/2012 10:28 AM, Richard Pieri wrote: > On 2/14/2012 3:07 AM, Tom Metro wrote: > > You're referring to the Western Digital "Advance Format" drives? I > don't > > have any direct experience with these, but yeah, I could see that is > > potentially a problem. I'm not sure if it is something you need to > > account for at the RAID driver level (it has a default chunk size of > > 64K, which should be aligned with either block size), the partitioning, > > or just the file system. > > Yeah, them. I probably could have figured out how to mix the Hitachi > and WD disks, but I really, really didn't want to fight it out or even > approach that situation. > One issue with RAID is that you don't want to mix geometries. I like to keep 2 different makes of drives in my RAID because of different MTBFs. We've had simultaneous drive failure in the BLU servers, With 2 different makes (or at least 2 different lot numbers) the chances of simultaneous disk failure is lower.
-- Jerry Feldman <[email protected]> Boston Linux and Unix PGP key id:3BC1EB90 PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66 C0AF 7CEA 30FC 3BC1 EB90
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