From owner-freebsd-fs@FreeBSD.ORG Fri Nov 7 13:37:01 2014 Return-Path: Delivered-To: freebsd-fs@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 23BB629E for ; Fri, 7 Nov 2014 13:37:01 +0000 (UTC) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 6C29A3FA for ; Fri, 7 Nov 2014 13:37:00 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id PAA27266; Fri, 07 Nov 2014 15:38:46 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1Xmjie-000CfX-Cg; Fri, 07 Nov 2014 15:36:52 +0200 Message-ID: <545CCABA.6000707@FreeBSD.org> Date: Fri, 07 Nov 2014 15:35:54 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Steven Hartland , Borja Marcos Subject: Re: ZFS bug: was creating ZIL ignores vfs.zfs.min_auto_ashift, should be ZIL sets improper ashift with AHCI controllers References: <9C91F97841BC4347910F206618BAA3BB9AF327D1@PAIMAIL.pai.local> <545B76EF.6050709@multiplay.co.uk> <21D2A3A9-B6C1-458F-B17F-480251E999AE@sarenet.es> <545BE3E0.4030203@multiplay.co.uk> <757B9039-8DF0-4E6A-A036-82A2143D7F45@sarenet.es> <545C9552.30207@multiplay.co.uk> <545CB43E.6040901@FreeBSD.org> <545CC99B.1010302@multiplay.co.uk> In-Reply-To: <545CC99B.1010302@multiplay.co.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Nov 2014 13:37:01 -0000 On 07/11/2014 15:31, Steven Hartland wrote: > illumos does indeed have the following restrictions for root pools according to > zfs_ioc_vdev_add > * Concatenated devices are not supported > * Intent log device is not supported > > So your right but I'm still curious if there are any reasons why we shouldn't > sync the zpool.cache file for the root pool as that seems independent to this? > The only thing I can think of is that it was an optimisation but this would > still break things like a reguid. Yeah, I'd like to see an answer as well :) -- Andriy Gapon