On Wed, Dec 10, 2008 at 12:13 PM, Greg Smith <gsmith@xxxxxxxxxxxxx> wrote: > On Wed, 10 Dec 2008, Matthew Wakeling 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. Note that you could combine the two and use a caching controller in jbod mode and do the raid in linux kernel sw mode. Just a thought. Not sure about the smart stuff though. >> What PCI-Express or motherboard built-in SATA RAID controllers for about >> four drives are there out there that are good, and well supported by Linux? >> What level of support is there for monitoring and reporting of RAID status? > > 3ware 9650SE-4LPML is what I'd buy today if I wanted hardware SATA RAID. > When I made a similar decision some time ago, I bought an Areca 1210 > instead, but two things have changed since then. One, I've become > increasingly unsatisfied with the limitations of the closed-source > controller management tool Areca supplies. Note that Areca's newest controllers, the 1680 series, have a separate ethernet port with snmp traps so you don't have to use any special closed source software to monitor them. Just FYI for anyone considering them. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
