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Re: setting up raid10 with more than 4 drives
- From: "Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com>
- To: "Luke Lonergan" <llonergan(at)greenplum(dot)com>
- Cc: "Rajesh Kumar Mallah" <mallah(dot)rajesh(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
- Subject: Re: setting up raid10 with more than 4 drives
- Date: Wed, 30 May 2007 00:41:46 -0400
On 5/29/07, Luke Lonergan <llonergan(at)greenplum(dot)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(at)enterprisedb(dot)com Iselin, New Jersey 08830 | http://www.enterprisedb.com/
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