From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Thornber Subject: Re: dm-cache fs corruption Date: Wed, 13 Nov 2013 13:10:23 +0000 Message-ID: <20131113131022.GA13882@debian> References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids On Wed, Nov 13, 2013 at 12:24:03PM +0200, Vladimir Smolensky wrote: > Hello, > I've been testing dm-cache for use with static web content. > It appears that, when using big cache ~3TB(+20TB origin dev) dm-cache > device corrupts the filesystem after block eviction starts to happen. > If I set smaller cache size - single 480GB ssd(again with 20TB origin dev), > the dm-cache dev works just fine. Hi Vladmimir, Sorry you've been having trouble, and thanks for taking the time to report. I'll see if I can scrape together enough disks to reproduce the problem, and get back to you. - Joe