From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Joshua J. Berry" Subject: Re: compare COW files Date: Mon, 20 Oct 2008 22:40:20 -0700 Message-ID: <200810202240.21679.des@condordes.net> References: <20081021032552.2250.qmail@splitreflection.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Cc: "linux-btrfs" To: calin@splitreflection.com Return-path: In-Reply-To: <20081021032552.2250.qmail@splitreflection.com> List-ID: On Monday 20 October 2008 20:25:52 calin wrote: > If I make a cow copy of a file, is there a way find out whether either copy > has changed? Specifically, I'm looking for a way to figure out which files > have changed since a snapshot was taken, short of traditional and > time-consuming file comparisons. It could have some interesting > possibilities for monitoring and backup, to be able to quickly compare > against a reference snapshot to find changes. -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html I'm also very interested in this, for incremental backups. I use rdiff-backup currently, and being able to do this would likely give an impressive speed boost. -- Josh -- Joshua J. Berry "I haven't lost my mind -- it's backed up on tape somewhere." -- /usr/games/fortune