Re: mysql scaling questions

On Sat, Dec 01, 2007 at 04:06:55PM -0500, Mike Tancsa wrote:
At 03:56 PM 12/1/2007, Gergely CZUCZY wrote:
I don't quite understand the question. It's the very same box, with
a dualboot configuration.

Fire up the 3ware controller's RAID management software and make sure the same write caching strategy is set for FreeBSD and Linux. The driver my
default to different values.

i.e. under "controller settings" make sure "write cache" and "queuing" are the same values for linux and freebsd.
I fail to see such an option, not under the 3ware BIOS software, nor in the tw_cli interface.

Could you be more specific on this?

Note: in the BIOS i've seen WC turned on for all units, and there were no
OS-specific options.

Sincerely,

Gergely Czuczy
mailto: gergely.czuczy@xxxxxxxxxxx

--
Weenies test. Geniuses solve problems that arise.

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