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 (8.12.11.20060308/8.12.11) with ESMTP id k8RGo6tH030767 for ; Wed, 27 Sep 2006 12:50:06 -0400 Received: from mail.davidb.org (mail.davidb.org [66.93.32.219]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k8RGo2WV004096 for ; Wed, 27 Sep 2006 12:50:02 -0400 Received: from a64.davidb.org ([66.93.32.226]) by mail.davidb.org with esmtpa (Exim 4.60 #1 (Debian)) id 1GScbh-0000fY-SJ for ; Wed, 27 Sep 2006 09:50:01 -0700 Message-ID: <451AABB5.8030301@davidb.org> Date: Wed, 27 Sep 2006 09:49:57 -0700 From: David Brown MIME-Version: 1.0 Subject: Re: [linux-lvm] Help, lvm2 snapshot and XFS , using xfs_freeze to do this, but then lvcreate hang. References: <625ccb870609262203m400d149ax47ef5396dd96236@mail.gmail.com> <451A0D03.9000204@davidb.org> <20060927133328.GA30026@boolecat.com> In-Reply-To: <20060927133328.GA30026@boolecat.com> Content-Transfer-Encoding: 7bit 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 Steve Feehan wrote: > Are you saying that the lvcreate command literally executes xfs_freeze > when used on a volume that happens to contain an XFS filesystem? Or > that creating a snapshot is equivalent to using xfs_freeze? Not literally, but the freeze/unfreeze is done by the dm driver in recent kernels. If your systems hangs on with the xfs_freeze -f, then you have a kernel with this feature. Just 'xfs_freeze -u' to allow the snapshot to be created, and then continue to create the mirrors without a manual freeze. Dave