On Fri, 13 Jul 2007 at 2:35pm, Justin Piszcz wrote
On Fri, 13 Jul 2007, Joshua Baker-LePain wrote:
My new system has a 3ware 9650SE-24M8 controller hooked to 24 500GB WD
drives. The controller is set up as a RAID6 w/ a hot spare. OS is CentOS
5 x86_64. It's all running on a couple of Xeon 5130s on a Supermicro X7DBE
motherboard w/ 4GB of RAM.
Trying to stick with a supported config as much as possible, I need to run
ext3. As per usual, though, initial ext3 numbers are less than impressive.
Using bonnie++ to get a baseline, I get (after doing 'blockdev --setra
65536' on the device):
Write: 136MB/s
Read: 384MB/s
Proving it's not the hardware, with XFS the numbers look like:
Write: 333MB/s
Read: 465MB/s
How many folks are using these? Any tuning tips?
Thanks.
You are using HW RAID then? Those numbers seem pretty awful for that
setup, including linux-raid@ even it though it appears you're running HW
raid,
this is rather peculiar.
Yep, hardware RAID -- I need the hot swappability (which, AFAIK, is still
an issue with md).
--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
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