Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 277542E0185 for ; Tue, 18 Mar 2008 17:03:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 43586-10 for ; Tue, 18 Mar 2008 17:03:28 -0300 (ADT) X-Greylist: delayed 00:16:25.899002 by SQLgrey-1.7.5 Received: from oxford.xeocode.com (87-127-95-198.no-dns-yet.enta.net [87.127.95.198]) by postgresql.org (Postfix) with ESMTP id AD7282E0198 for ; Tue, 18 Mar 2008 17:03:27 -0300 (ADT) Received: from localhost ([127.0.0.1] helo=oxford.xeocode.com) by oxford.xeocode.com with esmtp (Exim 4.69) (envelope-from ) id 1Jbhlu-0001TL-95; Tue, 18 Mar 2008 19:46:54 +0000 To: Cc: "Andrej Ricnik-Bay" , "Craig Ringer" , Subject: Re: What is the best way to storage music files in Postgresql In-Reply-To: (david@lang.hm's message of "Tue\, 18 Mar 2008 11\:04\:37 -0700 \(PDT\)") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) X-Draft-From: ("nnimap+mail01.enterprisedb.com:INBOX.performance" 4841) References: <8fb205ea0803152311n2c950758g253f4cefd20cff7d@mail.gmail.com> <47DCBD63.9050109@postnewspapers.com.au> <4544e0330803171101g680ffa5bj8ac32908a9f3dfb5@mail.gmail.com> <8fb205ea0803171139h63b55fdrf62776851583a74d@mail.gmail.com> <4544e0330803172026h3eae59a1u8914bda1a5a95bb5@mail.gmail.com> <47DF9278.70605@postnewspapers.com.au> From: Gregory Stark Organization: EnterpriseDB Date: Tue, 18 Mar 2008 19:46:53 +0000 Message-ID: <87bq5blsr6.fsf@oxford.xeocode.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200803/381 X-Sequence-Number: 29335 writes: > On Wed, 19 Mar 2008, Andrej Ricnik-Bay wrote: > >> >> On 18/03/2008, Craig Ringer wrote: >>> Isn't a 10 or 24 spindle RAID 5 array awfully likely to encounter a >>> double disk failure (such as during the load imposed by rebuild onto a >>> spare) ? > > that's why you should use raid6 (allowing for dual failures) You can have as many parity drives as you want with RAID 5 too. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's RemoteDBA services!