hot swappable SATA controllers for Linux
lreed at boomerang.com
Wed Sep 19 09:59:34 UTC 2007
Thanks for the great input!
Ask Bjørn Hansen wrote:
> On Sep 18, 2007, at 1:06 PM, Lance Boomerang wrote:
>> I am looking to build out a fairly dense setup with nodes having 8 or
>> so SATA drive slots for about 6 TB per node.
>> Initially plan to have 6 of these nodes. Obviously at this level of
>> density I need to be able to hot swap a drive if one goes bad. I
>> was wondering what folks have seen in terms of real work use of
>> various SATA controllers out there.
> Aren't most/all SATA controllers hot-swap by now? Check
> http://linux-ata.org/driver-status.html before you buy and you should
> be in good shape. I thought it was part of the SATA spec and the
> only controllers that didn't support it was "bridged" PATA controllers.
> Typically for MogileFS devices it's a waste of money buying a fancy
> SATA controller. (If you do want one, then the new 3Ware ones are
> pretty good - the ones from 3-4 years ago not so much).
> - ask
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