From: Dave Cramer <pg@fastcrypt.com>
To: Michael Ben-Nes <miki@canaan.co.il>
Cc: PFC <lists@boutiquenumerique.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Advice on RAID card
Date: Sun, 25 Sep 2005 10:57:56 -0400
Message-ID: <ABE6B997-2C1E-43B1-9F18-28F54B1620FE@fastcrypt.com> (raw)
In-Reply-To: <43367937.40809@canaan.co.il>
References: <IGEGINLEEDLANNHAAKCMOECJCCAA.gaulakh@ecmarket.com>
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<43367937.40809@canaan.co.il>
I would think software raid would be quite inappropriate considering
postgres when it is working is taking a fair amount of CPU as would
software RAID. Does anyone know if this is really the case ?
Dave
On 25-Sep-05, at 6:17 AM, Michael Ben-Nes wrote:
> I would consider Software Raid
>
>
> PFC wrote:
>
>
>>
>> Hello fellow Postgresql'ers.
>>
>> I've been stumbled on this RAID card which looks nice. It is a
>> PCI-X SATA Raid card with 6 channels, and does RAID 0,1,5,10,50.
>> It is a HP card with an Adaptec chip on it, and 64 MB cache.
>>
>> HP Part # : 372953-B21
>> Adaptec Part # : AAR-2610SA/64MB/HP
>>
>> There' even a picture :
>> http://megbytes.free.fr/Sata/DSC05970.JPG
>>
>> I know it isn't as good as a full SCSI system. I just want to
>> know if some of you have had experiences with these, and if this
>> cards belong to the "slower than no RAID" camp, like some DELL
>> card we often see mentioned here, or to the "decent performance
>> for the price" camp. It is to run on a Linux.
>>
>> Thanks in advance for your time and information.
>>
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>
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To: pgsql-performance@postgresql.org
Cc: pg@fastcrypt.com, miki@canaan.co.il, lists@boutiquenumerique.com
Subject: Re: Advice on RAID card
In-Reply-To: <ABE6B997-2C1E-43B1-9F18-28F54B1620FE@fastcrypt.com>
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