Skip site navigation (1)Skip section navigation (2)
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+zSwP2ZV+-tpTv6_TeCKKb+okYfovg@mail.gmail.com>
In-Reply-To: <555350E0.5060705@gmail.com>
References:  <8F1341A6-AA91-418D-97EA-FF7F8AC07F6A@jensenwaud.com> <555350E0.5060705@gmail.com>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
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
>
>
>
>
>
>



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?CALvn0yg2QGz7h4ax3Kz7+zSwP2ZV+-tpTv6_TeCKKb+okYfovg>