Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 658D5632910 for ; Wed, 11 Nov 2009 14:46:34 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 08529-05 for ; Wed, 11 Nov 2009 18:46:26 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from web23602.mail.ird.yahoo.com (web23602.mail.ird.yahoo.com [87.248.115.45]) by mail.postgresql.org (Postfix) with SMTP id 3392B632F8A for ; Wed, 11 Nov 2009 14:46:25 -0400 (AST) Received: (qmail 15174 invoked by uid 60001); 11 Nov 2009 12:40:35 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s1024; t=1257943235; bh=wr+WWahCM2UF0vdG8zNSTOOsV3hqwgAKZ+252fwCmSU=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=SEMjYQ8RZdzxyAGulViAusmW2F/TB/jt8+aUUoBTlO+B/Xk6+OFpO/htQWuwrAVlltld2wDQz8tN/WIPJsBjpxvMkAJLqxRpS7IquvWkzpOvSuGXeDp5lKs8s7n5RSEtsipUPaw9juDLIIxtMedYLEYIglQYDcAUcHROc6GGSyM= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.uk; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=klRulqci4MIIQYG/opfO6QTG1yNo0ThEHEIsLqhoO87wKhGBYn2yUoDF6bI00bUHdTcOaw/39xJi4//yExJhMVnKtSN1M6DAhLTTlf29wH6vBrRBvWsZ+FA9l/I6MU03TK+JqvK57ycQdzlhSIhto0gJcUk6CO3SfIWD4SaOiL0=; Message-ID: <203123.14477.qm@web23602.mail.ird.yahoo.com> X-YMail-OSG: .DS0BVoVM1mL7XVsoOHb_aC4j1R1KgepUkJdcOiLQnOM5DjKAjqQAV8wnXXzTEm0kaEBQTtLsIj2sQRp5WdPIbYLsxygH7MlINp7NyyAlkfW8pUFb32vNmUCWlaxiXLLZ2ObP1KYdztHRMSiz34BU6aPrbDQCvCtthpKzpCIj.7w6yLyFH4nIQojj7CZKV.m3g42pwidtESkMlR_FaSa.w9ak4XnsI8WQz9AtRQuQz6G05JPUMU0SkxiSwYdmbMC8ACpzGf8kwKL3tzd3TKzIx4VZgwVXc9Gx1wdifirbYql9JhEYYzgyLWpb6XuWUIbm2BcOusidTZy_HZxumlaYw-- Received: from [83.100.146.195] by web23602.mail.ird.yahoo.com via HTTP; Wed, 11 Nov 2009 12:40:35 GMT X-Mailer: YahooMailClassic/8.1.6 YahooMailWebService/0.7.361.4 Date: Wed, 11 Nov 2009 12:40:35 +0000 (GMT) From: Glyn Astill Subject: Adaptec Zero-Maintenance Cache Protection - Anyone using? To: pgsql-performance@postgresql.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.001 tagged_above=-10 required=5 tests=BAYES_50=0.001 X-Spam-Level: X-Archive-Number: 200911/117 X-Sequence-Number: 36285 Hi Chaps,=0A=0AI'm putting together some new servers, and whilst I've been = happy with our current config of Adaptec 5805's with bbu I've noticed these= 5805Z cards, apparently the contents of DRAM is copied into onboard flash = upon power failure.=0A=0AJust wondered if anyone had any experience of this= sort of technology yet?=0A=0ASo far my head is telling me to just go with = what I know...=0A=0A=0AGlyn=0A=0A=0A