[CentOS] Re: SATA RAID card recommendation?

Tue Mar 20 18:41:09 UTC 2007
Scott Silva <ssilva at sgvwater.com>

Florin Andrei spake the following on 3/20/2007 11:20 AM:
> Andrew Cotter wrote:
>> What are you trying to build?
> 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 case.
> I was wrong with the requirements, it's not PCI, it's PCI Express x16
> 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.
> It's a fairly new AMD 64bit machine. It will run CentOS 4.4 64bit,
> possibly version 5 if the project drags its feet long enough and 5 is
> released soon, and MySQL makes "official" packages for CentOS 5 soon
> enough and is stable enough. Hm, that's a lot of ifs. :-/
3ware 9650Se is a half height card up to 8 drives, is BBU capable, and you
could have raid 10 if you want some speed and reliability.


MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!