On Tue, Jun 14, 2011 at 11:48 AM, Eric D. Mudama <edmud...@bounceswoosh.org> wrote: > On Tue, Jun 14 at 8:04, Paul Kraus wrote:
>> I saw some stats a year or more ago that indicated the MTDL for raidZ2 >> was better than for a 2-way mirror. In order of best to worst I >> remember the rankings as: >> >> raidZ3 (least likely to lose data) >> 3-way mirror >> raidZ2 >> 2-way mirror >> raidZ1 (most likely to lose data) > Google "mttdl raidz zfs" digs up: > > http://blogs.oracle.com/relling/entry/zfs_raid_recommendations_space_performance > http://blogs.oracle.com/relling/entry/raid_recommendations_space_vs_mttdl > http://blog.richardelling.com/2010/02/zfs-data-protection-comparison.html > > I think the second picture is the one you were thinking of. The 3rd > link adds raidz3 data to the charts. Yup, that was it, although I got the information via a Sun FE and not directly. -- {--------1---------2---------3---------4---------5---------6---------7---------} Paul Kraus -> Senior Systems Architect, Garnet River ( http://www.garnetriver.com/ ) -> Sound Coordinator, Schenectady Light Opera Company ( http://www.sloctheater.org/ ) -> Technical Advisor, RPI Players _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
