Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFHbX1K4DLeg_cs01L2OEuy1ss=tfaA0XHAk2WBC2q5JjaagMQ>