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Re: Ideal RAID-1 Stripe Size for IMAP Server ?

To: xfs@xxxxxxxxxxx
Subject: Re: Ideal RAID-1 Stripe Size for IMAP Server ?
From: Michael Weissenbacher <mw@xxxxxxxxxxxx>
Date: Thu, 21 Feb 2013 14:34:38 +0100
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In-reply-to: <62DA4B79-7B29-4D9E-A756-FEC6838E5106@xxxxxxxx>
References: <D991F48F-6D86-4199-9762-698DD7A61895@xxxxxxxx> <512607C5.9060004@xxxxxxxxxxxxx> <62DA4B79-7B29-4D9E-A756-FEC6838E5106@xxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2
schrieb Svavar Örn Eysteinsson:
> I thought so just after sending this email to the group.
> But the ACU(Array Configuration Utility) gives me the option of changing the 
> stripe size
> and gives me 256 as default.
> 
> So that is irrelevant on RAID1 completely ?
> 
It should be, yes. I would guess it becomes relavant if you later decide
that you want to expand to a RAID-10 or (shrug) RAID-5.

Generally, a small stripe size (like 64k) should be beneficial for
random access patterns like on a mail server.

hth,
Michael

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