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Re: Postgresql on software RAID

From: Mitchell Laks <mlaks(at)bellatlantic(dot)net>
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: Postgresql on software RAID
Date: 2003-12-18 05:46:45
Message-ID: 200312180046.45936.mlaks@bellatlantic.net (view raw or flat)
Thread:
Lists: pgsql-admin
Dear Experts,

For what its worth : I have been running a postgresql database on a hardware 
raid 5 (adaptec 2400A hardware card and 4 x 200GB WD IDE drives) for about 
6months and in my (relatively low volume read write by transaction standards 
described by others here) environment all has been smooth. 

MItchell Laks

>On Thursday 18 December 2003 12:13 am, you wrote:
> When grilled further on (Wed, 17 Dec 2003 08:45:43 -0700 (MST)),
>
> "scott.marlowe" <scott(dot)marlowe(at)ihs(dot)com> confessed:
> > Just wondering, was that on hardware or software RAID5, and if hardware
> > did it have battery backed cache controllers?  Makes a huge difference. 
> > I would never use SW RAID5 for heavily written databases.
>
> Hardware raid on Sun Ultra 4 and Ultra 250.  I do not know what type of
> controller, or if it's battery backed.  It's up in the data center, and
> I've never even seen them...
>
> cheers,
> rob


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