On Wed, 10 Dec 2008, Greg Smith wrote:
I'd be interested in recommendations for RAID cards for small SATA systems.
It's not anything to do with Postgres - I'm just intending to set up a
little four-drive array for my home computer, with cheap 1TB SATA drives.
Then why are you thinking of RAID cards? On a Linux only host, you might as
well just get a standard cheap multi-port SATA card that's compatible with
the OS, plug the four drives in, and run software RAID. Anything else you
put in the middle is going to add complications in terms of things like
getting SMART error data from the drives, and the SW RAID will probably be
faster too.
A great source for checking Linux compatibility is
http://linux-ata.org/driver-status.html
Thanks, that is the kind of info I was looking for. It looks like most
sensible SATA controller manufacturers are converging towards the open
ahci controller standard, which is useful.
Matthew
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The best way to accelerate a Microsoft product is at 9.8 metres per second
per second.
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