From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: [PATCH 12/12] dm-snapshot-merge-use-larger-io-when-merging Date: Mon, 5 Oct 2009 15:12:38 -0400 Message-ID: <20091005191238.GA5796@redhat.com> References: <1254769367-12111-1-git-send-email-snitzer@redhat.com> <1254769367-12111-13-git-send-email-snitzer@redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1254769367-12111-13-git-send-email-snitzer@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: dm-devel@redhat.com List-Id: dm-devel.ids On Mon, Oct 05 2009 at 3:02pm -0400, Mike Snitzer wrote: > Here are performance results from some mkfs-based testing: ... > before: > ------- > # time lvconvert -M test/testlv_snap ... > after: > ------ > # time lvconvert -M test/testlv_snap ... FYI, the above lvconvert command-line references are stale. The only way to start a snapshot-merge is with: lvconvert --merge $SNAP_LV Mike