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Re: H800 + md1200 Performance problem

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Merlin Moncure <mmoncure(at)gmail(dot)com>
Cc: Cesar Martin <cmartinp(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: H800 + md1200 Performance problem
Date: 2012-04-16 16:18:14
Message-ID: CAOR=d=1NF0bKe5CeqtbHM-fznj7p-b1pfcfNm9Fc43B93sFNpQ@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Mon, Apr 16, 2012 at 10:08 AM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
> On Mon, Apr 16, 2012 at 10:45 AM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>> On Mon, Apr 16, 2012 at 8:13 AM, Cesar Martin <cmartinp(at)gmail(dot)com> wrote:
>>> Hi,
>>>
>>> Finally the problem was BIOS configuration. DBPM had was set to "Active
>>> Power Controller" I changed this to "Max
>>> Performance". http://en.community.dell.com/techcenter/power-cooling/w/wiki/best-practices-in-power-management.aspx
>>> Now wirite speed are 550MB/s and read 1,1GB/s.
>>
>> Why in the world would a server be delivered to a customer with such a
>> setting turned on?  ugh.
>
> likely informal pressure to reduce power consumption.  anyways, this
> verifies my suspicion that it was a dell problem. in my dealings with
> them, you truly have to threaten to send the server back then the
> solution magically appears.  don't spend time and money playing their
> 'qualified environment' game -- it never works...just tell them to
> shove it.
>
> there are a number of second tier vendors that give good value and
> allow you to to things like install your own disk drives without
> getting your support terminated.  of course, you lose the 'enterprise
> support', to which I give a value of approximately zero.

Dell's support never even came close to what I used to get from Aberdeen.

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