Date: Fri, 11 Jan 2013 10:39:10 +0000 From: Tom Evans <tevans.uk@googlemail.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: Expanding ZFS RAIDZ on the fly? Message-ID: <CAFHbX1K4DLeg_cs01L2OEuy1ss=tfaA0XHAk2WBC2q5JjaagMQ@mail.gmail.com> In-Reply-To: <50EFBAEA.3070200@zedat.fu-berlin.de> References: <50EFBAEA.3070200@zedat.fu-berlin.de>
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On Fri, Jan 11, 2013 at 7:10 AM, O. Hartmann <ohartman@zedat.fu-berlin.de> wrote: > My question may sound naiv, sorry. > > I have already set up a RAIDZ (on FreeBSD 10.0-CUR), comprised with > three 3 TB disks. I'd like to expand the array with an additional disk - > on the fly. > > oh > It's not possible to expand by just 1 disk. Expanding with another 3 disks is possible though, or "backup, destroy, create, restore". Expanding or reducing the number of disks in a raidz is the mythical block pointer rewrite functionality, google will tell more. Cheers Tom
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