From owner-freebsd-geom@FreeBSD.ORG Tue Oct 4 20:17:24 2011 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2089F1065670; Tue, 4 Oct 2011 20:17:24 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 846DB8FC0C; Tue, 4 Oct 2011 20:17:23 +0000 (UTC) Received: by vws11 with SMTP id 11so1064634vws.13 for ; Tue, 04 Oct 2011 13:17:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Us9puV0Rneav09XvL+f0piOauhUfmEzIWLY3gqxasAk=; b=COAUzqjYuBRFu8ouyz+yriDuGQWvOQByAGE8pRiyYOFa3EdMrMoHP668RJ17ewFUi/ XfrGyt0KwAq5UBpUtR0AIxTVnV2zTbFf4TLq7eBP93IWEd1ZHsPpy0csUtfWb6Guxp3o +jw7Ek6K3U0E/XuNcPdSlj1Oy/4pTMZF4dEHY= MIME-Version: 1.0 Received: by 10.52.109.170 with SMTP id ht10mr1684273vdb.206.1317759442668; Tue, 04 Oct 2011 13:17:22 -0700 (PDT) Received: by 10.220.192.8 with HTTP; Tue, 4 Oct 2011 13:17:22 -0700 (PDT) In-Reply-To: <71B3C40A-29FA-4965-AEC0-DEAE65276F5B@gmail.com> References: <1927112464.20111004220507@serebryakov.spb.ru> <71B3C40A-29FA-4965-AEC0-DEAE65276F5B@gmail.com> Date: Tue, 4 Oct 2011 13:17:22 -0700 Message-ID: From: Freddie Cash To: Garrett Cooper Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Alexander Motin , lev@freebsd.org, current@freebsd.org, freebsd-geom@freebsd.org Subject: Re: RFC: Project geom-events X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 20:17:24 -0000 On Tue, Oct 4, 2011 at 12:15 PM, Garrett Cooper wrote: > On Oct 4, 2011, at 11:12 AM, Freddie Cash wrote: > > > 2011/10/4 Lev Serebryakov > > > >> One thing is missed from software RAIDs is spare drives and state > >> monitoring (yes, I know, that geom_raid supports spare drivers for > >> metadata formats which supports them, but it not universal solution). > >> > > Sounds impressive! Will be very useful for those using GEOM-based RAID > > (gmirror, gstripe, graid3, graid5, etc). > > > > Just curious: would the geom-events framework, and in particular the > > geom-events script, be useful for ZFS setups, for initiating replacements > > and providing "hot-spare" support? > > Work in the zfsd project branch already seems to do this properly. > Please note that some HBAs (like mps) don't play well with hotswap on some > branches, whereas others (mfi) might, depending on how things are coded up > and chipset support. > Cool! Sounds like we're just around the corner from having a top-notch software RAID stack via GEOM/ZFS with all the automatic goodies one expects/hopes for. :) Keep up the good work people!! -- Freddie Cash fjwcash@gmail.com