From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.11.6) with ESMTP id k2Q8kKYA029617 for ; Sun, 26 Mar 2006 03:46:20 -0500 Received: from ender.volumehost.net (adsl-69-154-123-202.dsl.fyvlar.swbell.net [69.154.123.202]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k2Q8kHaZ023371 for ; Sun, 26 Mar 2006 03:46:18 -0500 Received: from localhost (localhost [127.0.0.1]) by ender.volumehost.net (Postfix) with ESMTP id 1937B1144B for ; Sun, 26 Mar 2006 08:46:17 +0000 (UTC) Received: from ender.volumehost.net ([127.0.0.1]) by localhost (ender.volumehost.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 05607-10-2 for ; Sun, 26 Mar 2006 08:46:15 +0000 (UTC) Received: from ath600 (ip70-178-169-79.ks.ks.cox.net [70.178.169.79]) (using SSLv3 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ender.volumehost.net (Postfix) with ESMTP id A88301144F for ; Sun, 26 Mar 2006 08:46:15 +0000 (UTC) From: Zac Slade Subject: Re: [linux-lvm] online resize Date: Sun, 26 Mar 2006 02:46:13 -0600 References: <20060316130827.5D17912ED4@bluewhale.planbit.co.uk> In-Reply-To: <20060316130827.5D17912ED4@bluewhale.planbit.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200603260246.13779.krakrjak@volumehost.net> Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: LVM general discussion and development On Thursday 16 March 2006 07:08, Roger Lucas wrote: > We use Reiser3 here and it can grow a volume whilst it is mounted, but you > have to unmount the volume before you can shrink it. > > The man pages for resize_reiserfs indicate that it should be used on > unmounted volumes... reiser3, resizable online in two ways (growing only) 1)resize_reiserfs /path/to/dev 2)mount -o remount,resize /path/to/dev To shrink reiser3 filesystem it must be unmounted. XFS, MUST be mounted to resize use xfs_grow /mount/point JFS, resizable online with a mount -o remount,resize /path/to/dev ext2/3, resizable offline reliably. Online resize is a *very* experimental experiment. Have good backups. For a good reference if one is ever needed to give to a friend, relative or foe try http://www.tldp.org/HOWTO/LVM-HOWTO/extendlv.html -- Zac Slade krakrjak@volumehost.net ICQ:1415282 YM:krakrjak AIM:ttyp99