From owner-freebsd-hackers Thu Apr 8 2: 1:24 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id 5CE3215966 for ; Thu, 8 Apr 1999 02:01:18 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id SAA19181; Thu, 8 Apr 1999 18:29:18 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id SAA22330; Thu, 8 Apr 1999 18:29:17 +0930 (CST) Message-ID: <19990408182917.G2142@lemis.com> Date: Thu, 8 Apr 1999 18:29:17 +0930 From: Greg Lehey To: remy@synx.com Cc: hackers@FreeBSD.ORG Subject: Re: Volume managers (was: Separate boot partition?) References: <19990408173016.X2142@lemis.com> <199904080844.KAA07975@rt2.synx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <199904080844.KAA07975@rt2.synx.com>; from Remy Nonnenmacher on Thu, Apr 08, 1999 at 10:44:15AM +0200 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thursday, 8 April 1999 at 10:44:15 +0200, Remy Nonnenmacher wrote: > On 8 Apr, Greg Lehey wrote: >> On Thursday, 8 April 1999 at 8:52:24 +0100, Dom Mitchell wrote: >>> On 8 April 1999, Greg Lehey proclaimed: >>>> I can't see why not, since it's possible now. What we still need to >>>> do is find a way to extend a file system, but that's a ufs issue >>>> (which has a solution), not a volume manager issue. >>> >>> What about shrinking an fs? Is that feasible? Possible? >> >> According to Kirk McKusick, no. >> > too bad !! > > Really, merging the best of all worlds (AIX PV migration, fs 'live' > extendability) *AND* fs shrinking would be a really impressive > performance. > > Think about it : A set of SCA, hot-pluggable disks. Every fs movable, > resizable (up/down), every disk content movable from/to every other > one.... the perfect power-on once, run till-end-of-universe server. Well, with the exception of the file system shrinking, we have all that. I honestly don't think we'll find a need to shrink file systems too often. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message