Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 521B09FBD16 for ; Wed, 30 May 2007 00:27:02 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-maia, port 10024) with ESMTP id 72569-05-2 for ; Wed, 30 May 2007 00:26:58 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from chip2og54.obsmtp.com (chip2og54.obsmtp.com [64.18.13.45]) by postgresql.org (Postfix) with SMTP id AD5BE9FBD9E for ; Wed, 30 May 2007 00:26:57 -0300 (ADT) Received: from source ([63.240.6.47]) (using TLSv1) by chip2ob54.postini.com ([64.18.5.12]) with SMTP; Tue, 29 May 2007 20:26:47 PDT Received: from 172.16.1.92 by mail.Mi8.com with ESMTP (- Welcome to Mi8 Corporation www.Mi8.com (D1)); Tue, 29 May 2007 23:26:40 -0400 X-Server-Uuid: 0764DD54-627B-4C45-B37D-789FBDEDA467 Received: from MI8NYCMAIL08.Mi8.com ([172.16.1.165]) by d01smtp08.Mi8.com with Microsoft SMTPSVC(6.0.3790.1830); Tue, 29 May 2007 23:26:39 -0400 Received: from 24.23.197.133 ([24.23.197.133]) by MI8NYCMAIL08.Mi8.com ( [172.16.1.190]) via Exchange Front-End Server mi8owa.mi8.com ( [172.16.1.108]) with Microsoft Exchange Server HTTP-DAV ; Wed, 30 May 2007 03:26:38 +0000 User-Agent: Microsoft-Entourage/11.3.3.061214 Date: Tue, 29 May 2007 20:26:37 -0700 Subject: Re: setting up raid10 with more than 4 drives From: "Luke Lonergan" To: "Rajesh Kumar Mallah" cc: pgsql-performance@postgresql.org Message-ID: Thread-Topic: [PERFORM] setting up raid10 with more than 4 drives Thread-Index: AceialRskzZgvQ5dEdyetQAX8s8Cag== In-Reply-To: MIME-Version: 1.0 X-OriginalArrivalTime: 30 May 2007 03:26:40.0166 (UTC) FILETIME=[564FEC60:01C7A26A] X-WSS-ID: 6A42317A3001978350-01-01 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/598 X-Sequence-Number: 24988 Hi Rajesh, On 5/29/07 7:18 PM, "Rajesh Kumar Mallah" wrote: > D1 raid1 D2 raid1 D5 --> MD0 > D3 raid1 D4 raid1 D6 --> MD1 > MD0 raid0 MD1 --> MDF (final) AFAIK you can't RAID1 more than two drives, so the above doesn't make sense to me. - Luke