From owner-freebsd-fs@FreeBSD.ORG Thu Apr 11 11:44:42 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 5F7E71F1 for ; Thu, 11 Apr 2013 11:44:42 +0000 (UTC) (envelope-from feld@feld.me) Received: from new1-smtp.messagingengine.com (new1-smtp.messagingengine.com [66.111.4.221]) by mx1.freebsd.org (Postfix) with ESMTP id 3546C5FD for ; Thu, 11 Apr 2013 11:44:40 +0000 (UTC) Received: from compute2.internal (compute2.nyi.mail.srv.osa [10.202.2.42]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 3E5E2280 for ; Thu, 11 Apr 2013 07:44:34 -0400 (EDT) Received: from frontend1.nyi.mail.srv.osa ([10.202.2.160]) by compute2.internal (MEProxy); Thu, 11 Apr 2013 07:44:34 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=feld.me; h= content-type:to:subject:references:date:mime-version :content-transfer-encoding:from:message-id:in-reply-to; s= mesmtp; bh=t5QxmgjulIU2x+pbuMtDNvqphfw=; b=l7F+zeZh42TkuJhpJChE7 JVZkbajM2o8lQXHxkaS6fac7gSmpIkXj1BSR1OjjwihIrwJwdwjNDAk3kCfBaPFs ZtaBd60+3k/EwBSZNjtvrVAqNBEU9QMWCtFMC+3+zFBT41h3MVVCCt/AVkJjJ3oU JpOvByLO0wZ8e49Q6+1njg= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-type:to:subject:references:date :mime-version:content-transfer-encoding:from:message-id :in-reply-to; s=smtpout; bh=t5QxmgjulIU2x+pbuMtDNvqphfw=; b=dH+q CZq9wnECNEnc9VB2VxXrRu0U9tNFxM/k9fDqjVRG3nm47gCEbZWWm97Q2A5sJ8sy M5XM0Pa59pc/erHcd+/TSBpGdaV//8KpGSZReXGafkAreKIh10/ZFd21P9xnsx4z 4/gVrI9CsyLPWOrpvEDGSUZKPLnunxgvFxw/+Eo= X-Sasl-enc: FcWW8AB1VlXRiwcHJqgccrRzCY3GKwzKMOiMgtbMB0op 1365680673 Received: from tech304.office.supranet.net (unknown [66.170.8.18]) by mail.messagingengine.com (Postfix) with ESMTPA id DD779C80004 for ; Thu, 11 Apr 2013 07:44:33 -0400 (EDT) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: freebsd-fs@freebsd.org Subject: Re: ZFS-inly server and dedicated ZIL References: <802657359.5644092.1365629966726.JavaMail.root@k-state.edu> Date: Thu, 11 Apr 2013 06:44:33 -0500 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Mark Felder" Message-ID: In-Reply-To: <802657359.5644092.1365629966726.JavaMail.root@k-state.edu> User-Agent: Opera Mail/12.14 (FreeBSD) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Apr 2013 11:44:42 -0000 On Wed, 10 Apr 2013 16:39:26 -0500, Lawrence K. Chen, P.Eng. wrote: > The root pool only having one root vdev is probably a restriction on > what functionality could be put into the bootblock. You can have multiple vdevs in a root pool, but only if they're mirror. You also have to go out of your way to make it work. It's certainly possible, though. $ zpool status pool: tank0 state: ONLINE scan: resilvered 1.51G in 0h2m with 0 errors on Mon Apr 1 07:08:24 2013 config: NAME STATE READ WRITE CKSUM tank0 ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 mfid0p2 ONLINE 0 0 0 mfid1p2 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 mfid2p2 ONLINE 0 0 0 mfid3p2 ONLINE 0 0 0 errors: No known data errors $ gpart show => 34 584843197 mfid0 GPT (278G) 34 128 1 freebsd-boot (64k) 162 6 - free - (3.0k) 168 584822784 2 freebsd-zfs (278G) 584822952 20279 - free - (9.9M) => 34 584843197 mfid1 GPT (278G) 34 128 1 freebsd-boot (64k) 162 6 - free - (3.0k) 168 584843056 2 freebsd-zfs (278G) 584843224 7 - free - (3.5k) => 34 584843197 mfid3 GPT (278G) 34 128 1 freebsd-boot (64k) 162 6 - free - (3.0k) 168 584822784 2 freebsd-zfs (278G) 584822952 20279 - free - (9.9M) => 34 584843197 mfid2 GPT (278G) 34 128 1 freebsd-boot (64k) 162 6 - free - (3.0k) 168 584822784 2 freebsd-zfs (278G) 584822952 20279 - free - (9.9M)