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Re: setting up raid10 with more than 4 drives - Mailing list pgsql-performance

From Jonah H. Harris
Subject Re: setting up raid10 with more than 4 drives
Date
Msg-id 36e682920705292141k9aa038btb543d97cee0fa4a1@mail.gmail.com
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In response to Re: setting up raid10 with more than 4 drives  ("Luke Lonergan" <llonergan@greenplum.com>)
Responses Re: setting up raid10 with more than 4 drives
Re: setting up raid10 with more than 4 drives
Re: setting up raid10 with more than 4 drives
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On 5/29/07, Luke Lonergan <llonergan@greenplum.com> wrote:
> AFAIK you can't RAID1 more than two drives, so the above doesn't make sense
> to me.

Yeah, I've never seen a way to RAID-1 more than 2 drives either.  It
would have to be his first one:

D1 + D2 = MD0 (RAID 1)
D3 + D4 = MD1 ...
D5 + D6 = MD2 ...
MD0 + MD1 + MD2 = MDF (RAID 0)

--
Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 3rd Floor            | jharris@enterprisedb.com
Iselin, New Jersey 08830            | http://www.enterprisedb.com/

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