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Re: raid level

From: DA Morgan <damorgan_at_psoug.org>
Date: Fri, 16 Dec 2005 10:11:12 -0800
Message-ID: <1134756663.878391@jetspin.drizzle.com>


Arto Viitanen wrote:
> DA Morgan wrote:
>

>> missoula wrote:
>>
>>> What is the best raid level option on a 2.2T drive for optimal
>>> performace other than raid 5
>>> Thx,
>>>
>>> -Vijay
>>
>>
>> 0+1 (in most cases)

>
>
> Why 0+1? 10 is more safe and I think they are as fast? Since 0+1
> is mirrored stripe, when one disk breaks, no other disk can break (since
> the raid will use the mirror of the breaked disk's stripe). Instead
> the raid 10 is striped mirrors, which means that when a disk breaks,
> its mirror disk is used, so all other mirrors can have broken disk
> until the raid will be unusable.
>
> --
> Arto Viitanen, CSC
> Espoo, Finland

Fingers typing faster than brain thinking.

-- 
Daniel A. Morgan
http://www.psoug.org
damorgan_at_x.washington.edu
(replace x with u to respond)
Received on Fri Dec 16 2005 - 12:11:12 CST

Original text of this message

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