From owner-freebsd-questions@FreeBSD.ORG Thu May 14 01:23:21 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7AE8525B for ; Thu, 14 May 2015 01:23:21 +0000 (UTC) Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1B2611351 for ; Thu, 14 May 2015 01:23:20 +0000 (UTC) Received: by wizk4 with SMTP id k4so221335716wiz.1 for ; Wed, 13 May 2015 18:23:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=/3CW5GzFehYtlBk5pqlaUiXvdLtnhdM6QT//CjoiMQU=; b=FnvoiGpmNBdlcCqledxlrj2h5VpXqxrlr4lt7B4BD3ldBoSjVSj6Qopv/C8OeuOi2y isnPIcjKZVIFRt1V2l9XROqjZxatapIn/WKakdGvx9VUFPtBsFR1klaHbEFX3kMLPVbs WkFpFevmSRpyK/SAkyjaYdFl8TnuoIHfguUV0INdSENJm1gBlN4fPipukuCGFaohM0h3 6NGRAIhENhGLayaSw/3Zzxc5c87qY9LqKaTLH5AeFRFS7+nMpqNJjrHsrOD8rKBeXDLI BH491meWIYTb0ikGG6V4UR0muxe7PfaPH4zrptE88jkqlEhiR4LzNtThFU1KXDkX2yxF de1w== X-Gm-Message-State: ALoCoQkeK77SNENo6pjsrseHVhg6LbBMzAp4lwcgr/YlGP3ryi5AJUutp6mhXK8kdamoSJWBnSpR MIME-Version: 1.0 X-Received: by 10.194.2.47 with SMTP id 15mr2878046wjr.101.1431566592701; Wed, 13 May 2015 18:23:12 -0700 (PDT) Received: by 10.27.58.66 with HTTP; Wed, 13 May 2015 18:23:12 -0700 (PDT) X-Originating-IP: [101.170.255.242] In-Reply-To: <555350E0.5060705@gmail.com> References: <8F1341A6-AA91-418D-97EA-FF7F8AC07F6A@jensenwaud.com> <555350E0.5060705@gmail.com> Date: Thu, 14 May 2015 11:23:12 +1000 Message-ID: Subject: Re: ZFS stripe to raidz1 From: Anders Jensen-Waud To: Johan Hendriks Cc: "freebsd-questions@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 May 2015 01:23:21 -0000 On Wed, May 13, 2015 at 11:25 PM, Johan Hendriks 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" > > > 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 > > > > > >