From owner-freebsd-fs@FreeBSD.ORG Tue Apr 16 08:53:08 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id BCDD3D47 for ; Tue, 16 Apr 2013 08:53:08 +0000 (UTC) (envelope-from marck@rinet.ru) Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) by mx1.freebsd.org (Postfix) with ESMTP id 4A4C2C3D for ; Tue, 16 Apr 2013 08:53:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.5/8.14.5) with ESMTP id r3G8qjse059998; Tue, 16 Apr 2013 12:52:45 +0400 (MSK) (envelope-from marck@rinet.ru) Date: Tue, 16 Apr 2013 12:52:45 +0400 (MSK) From: Dmitry Morozovsky To: Daniel Kalchev Subject: Re: ZFS-inly server and dedicated ZIL In-Reply-To: <516CE8A0.3070808@digsys.bg> Message-ID: References: <516CE8A0.3070808@digsys.bg> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) X-NCC-RegID: ru.rinet X-OpenPGP-Key-ID: 6B691B03 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: freebsd-fs@freebsd.org 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: Tue, 16 Apr 2013 08:53:08 -0000 On Tue, 16 Apr 2013, Daniel Kalchev wrote: > As already mentioned, multiple vdev zpool for root works just fine on FreeBSD. Yes, but not pools with dedicated ZIL, as I cited from sources: zpool just does not allow to add ZIL to boot pool > There is however one "restriction" -- all of the drives should be visible as > BIOS drives at boot. If your BIOS (HBA SAS BIOS) supports that, then you > should not expect problems. > > Just make sure you test it with all the drives, before you build the pool. I think I'll drift to UFS mirrored /boot I suppose, as I did for several servers already > On the other hand, using the same SSD for SLOG and L2ARC is not always good > idea because those two have quite opposite requirements. I know, but price and drive count restrictions do apply as well :) -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------