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 (8.11.6/8.11.6) with ESMTP id i88Bwf316695 for ; Wed, 8 Sep 2004 07:58:41 -0400 Received: from server.klaube.net (root@www.klaube.net [195.190.148.2]) by mx1.redhat.com (8.12.10/8.12.10) with ESMTP id i88BwdS0020388 for ; Wed, 8 Sep 2004 07:58:39 -0400 Received: from server.klaube.net (localhost [127.0.0.1]) by server.klaube.net (8.12.3/8.12.2/SuSE Linux 0.6) with ESMTP id i88BwUJO023723 for ; Wed, 8 Sep 2004 13:58:30 +0200 Received: (from t1@localhost) by server.klaube.net (8.12.3/8.12.3/Submit) id i88BwUl2023722 for linux-lvm@redhat.com; Wed, 8 Sep 2004 13:58:30 +0200 Date: Wed, 8 Sep 2004 13:58:30 +0200 From: Thomas Klaube Subject: Re: [linux-lvm] LVM2 snapshots on root fs Message-ID: <20040908115830.GA23040@server.klaube.net> References: <20040907110330.GE2689@server.klaube.net> <20040907181748.GD6264@agk.surrey.redhat.com> <1094581563.9586.98.camel@pc> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <1094581563.9586.98.camel@pc> Reply-To: Thomas Klaube , 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" Content-Transfer-Encoding: 7bit To: LVM general discussion and development On Tue, Sep 07, 2004 at 02:26:03PM -0400, Brian J. Murrell wrote: > On Tue, 2004-09-07 at 19:17 +0100, Alasdair G Kergon wrote: > > > It is possible to snapshot the root volume, but the method is probably > > distribution-specific. > > Like what? Using a copy of the /sbin/lvm2 binary not living in the > rootfs when you want to snapshot it? What about /lib/libdevmapper.so.*? > Does it have the same problem? Just copying /sbin/lvm2 to some other (non root) lvm does not do the job for me. Even if it worked it seems to be an ugly workaround. The question is, if there are plans to change the snapshot capabilities of lvm2 in a way, that makes it possible to create snapshots even if the tools reside on the lvm. Regards Thomas Klaube