From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from capsec.org ([46.4.123.73]:37455 "EHLO mail.capsec.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753222AbdBDAaU (ORCPT ); Fri, 3 Feb 2017 19:30:20 -0500 Mime-Version: 1.0 Date: Sat, 04 Feb 2017 00:30:47 +0000 Content-Type: text/plain; charset="utf-8" Message-ID: <8999d95dac21ea8e2908c5012e50c59b@88cbed2449cf> From: "Jorg Bornschein" Subject: Re: Very slow balance / btrfs-transaction To: "Goldwyn Rodrigues" , linux-btrfs@vger.kernel.org In-Reply-To: <507c32d4-929c-b691-6196-103c8cb9addb@suse.com> References: <507c32d4-929c-b691-6196-103c8cb9addb@suse.com> <80d3e5ce55ddc7e454cce96e67e2ea64@88cbed2449cf> Sender: linux-btrfs-owner@vger.kernel.org List-ID: February 3, 2017 11:26 PM, "Goldwyn Rodrigues" wrote: >> Hi, >> >> I'm currently running a balance (without any filters) on a 4 drives raid1 filesystem. The array >> contains 3 3TB drives and one 6TB drive; I'm running the rebalance because the 6TB drive recently >> replaced a 2TB drive. >> >> I know that balance is not supposed to be a fast operation, but this one is now running for ~6 days >> and it managed to balance ~18% (754 out of about 4250 chunks balanced (755 considered), 82% left) >> -- so I expect it to take another ~4 weeks. >> >> That seems excessively slow for ~8TiB of data. >> >> Is this expected behavior? In case it's not: Is there anything I can do to help debug it? > > Do you have quotas enabled? I might have activated it when playing with "snapper" -- I remember using some quota command without knowing what it does. How can I check its active? Shall I just disable it wit "btrfs quota disable"? j