Date: Tue, 26 Jul 2011 17:55:09 -0300 From: Sergio de Almeida Lenzi <lenzi.sergio@gmail.com> To: d.forsyth@ru.ac.za Cc: freebsd-questions@freebsd.org Subject: Re: graid3 or graid5? with or without gjournal? Message-ID: <1311713709.50473.1.camel@z6000.lenzicasa> In-Reply-To: <4E2E6349.31621.5CCE7B53@d.forsyth.ru.ac.za> References: <20110725120012.2415C10656F2@hub.freebsd.org> <4E2E6349.31621.5CCE7B53@d.forsyth.ru.ac.za>
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Em Ter, 2011-07-26 às 08:48 +0200, DA Forsyth escreveu: > Hi all > > I am busy putting together a new server. I want to avoid using the > motherboards raid 'hardware' (intel matrix raid) and rather do it all > in software so if anything goes wrong with the motherboard, the > drives can work in some other box. > > I have 4x 1TB drives available for the main data array. > graid3 can only use 3 > graid5 can use all 4, but is it production ready? > any ideas? > > The advantage of using graid3 at this point is that the extra 1TB > drive I have can then go into the backup server which needs more > space anyway. > > Having suffered data loss on the previous raid5 (intel matrix) array > when UFS went bananas due to one drive failing, I am looking at > solutions/preventatives. Will gjournal be useful? > > Thanks > I prefer ZFS.. all my servers (about 100... ) are running with zfs now (8.2 amd64)... dual drivers of 1TB or 2TB each... I have had some driver dying.. but no loss of data thanks to zfs mirror... Sergio
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