[CentOS] SATA RAID card recommendation?
jlb17 at duke.edu
Tue Mar 20 18:46:03 UTC 2007
On Tue, 20 Mar 2007 at 11:20am, Florin Andrei wrote
> Analysis and reporting tool with a large MySQL backend. It also serves as a
> transient backup server for that data. I need MySQL to _fly_ on that RAID
> array, since the data set is pretty big.
> I wrote pretty much all software and did the DB schema, so I have true full
> control over what's running on that machine.
> I think I can go with the "throw more hardware (bigger disks) at the problem"
> approach and use RAID1 instead of RAID5. That should give a boost to the read
> performance, in theory.
> I need to do some tests and figure out what works best in this particular
IMO, you do *not* want RAID5 there. RAID10 is likely to work best.
> I was wrong with the requirements, it's not PCI, it's PCI Express x16
For 3ware, then, that's 9590 or 9650.
> There's not much room in the system, it's a 1U. I think I can fit a
> full-height card in it, but it must not be too bulky.
Erm, how many spindles can you fit in that 1U? 4 is the most I've seen.
Department of Biomedical Engineering
More information about the CentOS