From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from magic.merlins.org ([209.81.13.136]:44787 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752570AbdEVX5z (ORCPT ); Mon, 22 May 2017 19:57:55 -0400 Date: Mon, 22 May 2017 16:57:54 -0700 From: Marc MERLIN To: Chris Murphy Cc: Btrfs BTRFS Subject: Re: 4.11.1: cannot btrfs check --repair a filesystem, causes heavy memory stalls Message-ID: <20170522235754.GJ29894@merlins.org> References: <20170521214733.c62v7el4g66jf63x@merlins.org> <20170521234557.pu3vs3igdx7mqjzb@merlins.org> <20170522013553.hspdrwpmxe5kyoas@merlins.org> <20170522163156.5hcuw5tqfavjkmnm@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, May 22, 2017 at 05:26:25PM -0600, Chris Murphy wrote: > On Mon, May 22, 2017 at 10:31 AM, Marc MERLIN wrote: > > > > > I already have 24GB of RAM in that machine, adding more for the real > > fsck repair to run, is going to be difficult and ndb would take days I > > guess (then again I don't have a machine with 32 or 48 or 64GB of RAM > > anyway). > > If you can acquire an SSD, you can give the system a bunch of swap, > and at least then hopefully the check repair can complete. Yes it'll > be slower than with real RAM but it's not nearly as bad as you might > think it'd be, based on HDD based swap. Oh, swap will work, you're sure? I already have an SSD, if that's good enough, I can give it a shot. Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/