Date: Thu, 14 May 2015 11:23:12 +1000 From: Anders Jensen-Waud <anders@jensenwaud.com> To: Johan Hendriks <joh.hendriks@gmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: ZFS stripe to raidz1 Message-ID: <CALvn0yg2QGz7h4ax3Kz7%2BzSwP2ZV%2B-tpTv6_TeCKKb%2BokYfovg@mail.gmail.com> In-Reply-To: <555350E0.5060705@gmail.com> References: <8F1341A6-AA91-418D-97EA-FF7F8AC07F6A@jensenwaud.com> <555350E0.5060705@gmail.com>
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On Wed, May 13, 2015 at 11:25 PM, Johan Hendriks <joh.hendriks@gmail.com> wrote: > Anders Jensen-Waud schreef op 13/05/15 om 14:37: > > Hello > > I bought two 2TB drives and would like to see them up in a 4TB stripe for now. Later, I would like to add redundancy to the stripe by adding one more 2TB disk, effectively ending up with a 4TB raidz1. > > Is this possible on FreeBSD 10.1 without having to recreate the entire pool from scratch? > > Thanks > > Anders > _______________________________________________freebsd-questions@freebsd.org mailing listhttp://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" <freebsd-questions-unsubscribe@freebsd.org> > > > Not like you want it. > > You can start with two disks and create a stripe accross both disks. Keep > in mind that if one fails you will loose all your data! > Later on you can mirror disk one by *attaching* a disk to this vdev. But > this way you still have no redundancy. If the second disk/vdev fails, you > still loose all data. You need to *attach* a second disk to the second > vdev also. That way you can loose a disk per mirrored vdev. So you will > need 4 disks. > > Thank you for the advise. I am thinking of just mirroring the two disks at the moment and then adding 2 x 2TB later (in a second mirror vdev), and stripe the two vdevs. Is that possible without having to rebuild the entire array? > regards > > > > > >
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