From: Arjen van der Meijden <acmmailing@tweakers.net>
To: david@lang.hm
Cc: Christian Nicolaisen <blackbrrd@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: 8x2.5" or 6x3.5" disks
Date: Tue, 29 Jan 2008 11:29:23 +0100
Message-ID: <479F0003.6080003@tweakers.net> (raw)
In-Reply-To: <alpine.DEB.1.00.0801290030390.16707@asgard.lang.hm>
References: <285fb20801281125k641902feo8d74b1c68640d94b@mail.gmail.com>
<479E3AE5.20600@tweakers.net>
<alpine.DEB.1.00.0801290030390.16707@asgard.lang.hm>
There are several suppliers who offer Seagate's 2.5" 15k rpm disks, I
know HP, Dell are amongst those. So I was actually refering to those,
rather than to the 10k one's.
Best regards,
Arjen
david@lang.hm wrote:
> On Mon, 28 Jan 2008, Arjen van der Meijden wrote:
>
>> On 28-1-2008 20:25 Christian Nicolaisen wrote:
>>> So, my question is: should I go for the 2.5" disk setup or 3.5" disk
>>> setup, and does the raid setup in either case look correct?
>>
>> Afaik they are about equal in speed. With the smaller ones being a bit
>> faster in random access and the larger ones a bit faster for
>> sequential reads/writes.
>
> I missed the initial post in this thread, but I haven't seen any 15K rpm
> 2.5" drives, so if you compare 10K rpm 2.5" drives with 15K rpm 3.5"
> drives you will see differences (depending on your workload and
> controller cache)
>
> David Lang
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
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>
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To: pgsql-performance@postgresql.org
Cc: acmmailing@tweakers.net, david@lang.hm, blackbrrd@gmail.com
Subject: Re: 8x2.5" or 6x3.5" disks
In-Reply-To: <479F0003.6080003@tweakers.net>
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