Date: Sun, 9 Aug 2009 09:03:29 +0100 From: "John ." <comp.john@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: a (hopefully) simple newbie zfs query regarding available space Message-ID: <abc784790908090103k6d34ed8dq51a8d893f92353e9@mail.gmail.com> In-Reply-To: <abc784790908090039j2c7bbc6bsdebf7a2d8faf96c3@mail.gmail.com> References: <abc784790908090039j2c7bbc6bsdebf7a2d8faf96c3@mail.gmail.com>
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2009/8/9 John . <comp.john@googlemail.com>: > Hello list > > I followed instructions for ZFS on > http://wiki.freebsd.org/ZFSQuickStartGuide, substituting ad6 and ad10 > (two new SATA3 1TB disks) for da0 da1 and da2 in the instructions. I > was surprised to see only 993GB in /tank/. Is this expected, or is it > user error? Also, these disks are completely unformatted. I expected > to do a newfs or something similar, and for it to take a bit of time! > > This is on a running 7.2-STABLE amd64 system. It is only these two > disks that I want as ZFS, the rest are UFS2 > > cheers > -- > John > I think I might have answered my own questionj - seems we need 3 or more disks for raidz - (n-p)*x gives 1TB usable. reliability isn't that important, and they are new disks. I suppose ccd would be better in this scenario? -- John
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