| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | glynastill(at)yahoo(dot)co(dot)uk |
| Cc: | "Steve Clark" <sclark(at)netwolves(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Perc 3 DC |
| Date: | 2008-11-24 14:52:32 |
| Message-ID: | dcc563d10811240652g7a511ddye7b2aa2c7d66cbd1@mail.gmail.com |
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| Lists: | pgsql-performance |
On Mon, Nov 24, 2008 at 7:49 AM, Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk> wrote:
> --- On Mon, 24/11/08, Steve Clark <sclark(at)netwolves(dot)com> wrote:
>
>> > Yeah the battery's on it, that and the 128Mb is
>> really the only reason I thought I'd give it a whirl.
>> >
>> >
>> Is the battery functioning? We found that the unit had to
>> be on and charged before write back caching
>> would work.
>
> Yeah the battery is on there, and in the BIOS it says it's "PRESENT" and the status is "GOOD".
If I remember correctly, older LSI cards had pretty poor performance
in RAID 1+0 (or any layered RAID really). Have you tried setting up
RAID-1 pairs on the card and then striping them with the OS?
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