From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: <4E01F311.3060305@0x6a.com> <20110623104644.5cd888d7@wks-ddc.exosec.local> <4E0352E9.9050600@0x6a.com> <201106231725.10215.dexen.devries@gmail.com> Date: Thu, 23 Jun 2011 08:57:55 -0700 Message-ID: From: ron minnich To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [9fans] Survey: Current Fossil+venti Filesystem Topicbox-Message-UUID: f4dacbe4-ead6-11e9-9d60-3106f5b1d025 you need to be careful about mirroring SSDs. See: Differential RAID: Rethinking RAID for SSD Reliability Mahesh Balakrishnan (Microsoft Research Silicon Valley), Asim Kadav (University of Wisconsin), Vijayan Prabhakaran (Microsoft Research Silicon Valley), Dahlia Malkhi (Microsoft Research Silicon Valley) ron