Date: Fri, 22 May 2009 14:35:14 -0700 From: Randy Bush <randy@psg.com> To: Brooks Davis <brooks@freebsd.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: raidz2 a bit big Message-ID: <m2ws88lt2l.wl%randy@psg.com> In-Reply-To: <20090522211513.GB2160@lor.one-eyed-alien.net> References: <m28wkon90c.wl%randy@psg.com> <20090522211513.GB2160@lor.one-eyed-alien.net>
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> raidz2 is RAID6ish in that two disks of a raid group go to parity to > allow you to survive double faults. Thus your expected size is: > > (12-2)*2TB = 20TB. <doh> thank you. randy
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