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Re: SATA drives performance

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Richard Neill <rn214(at)cam(dot)ac(dot)uk>
Cc: Adam Tauno Williams <awilliam(at)opengroupware(dot)us>, pgsql-performance(at)postgresql(dot)org
Subject: Re: SATA drives performance
Date: 2009-12-24 22:57:38
Message-ID: dcc563d10912241457w4980aa96t358ffa913ebb33f2@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Thu, Dec 24, 2009 at 3:51 PM, Richard Neill <rn214(at)cam(dot)ac(dot)uk> wrote:
>
>
> Adam Tauno Williams wrote:
>>
>> This isn't true.  IBMs IPS series controllers can the checked and
>> configured via the ipssend utility that works very well in 2.6.x LINUX.
>>
>
> Unfortunately, what we got (in the IBM) was the garbage ServeRaid 8kl card.
> This one is atrocious - it shipped with a hideous firmware bug. And there is
> no way to bypass it.
>
> The HP have the P400 cards, which are decent in themselves, just not as good
> as software raid.

Yeah, the HP400 gets pretty meh reviews here on the lists.  The P600
is adequate and the P800 seems to be a good performer.

Can you replace the IBM RAID controller with some other controller?
Even just a simple 4 or 8 port SATA card with no RAID capability would
be better than something that locks up.

Personally I'd call my rep and ask him to come pick up his crap server
and give me a check to replace it if it was that bad.

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