From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from meiko.romanrm.net ([195.154.92.155]:54372 "EHLO meiko.romanrm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752633AbcDHLxi (ORCPT ); Fri, 8 Apr 2016 07:53:38 -0400 Date: Fri, 8 Apr 2016 16:53:32 +0500 From: Roman Mamedov To: Tomasz Chmielewski Cc: linux-btrfs , Chris Mason , Zhao Lei Subject: Re: 4.4.0 - no space left with >1.7 TB free space left Message-ID: <20160408165332.450659c4@natsu> In-Reply-To: References: <0c19f800da3013f22f2ab0d77d5a9efb@admin.virtall.com> <20160208162410.58cb2b4a@natsu> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/VgAdFBovqyHsi=NnS60jxWX"; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --Sig_/VgAdFBovqyHsi=NnS60jxWX Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 08 Apr 2016 20:36:26 +0900 Tomasz Chmielewski wrote: > On 2016-02-08 20:24, Roman Mamedov wrote: >=20 > >> Linux 4.4.0 - btrfs is mainly used to host lots of test containers, > >> often snapshots, and at times, there is heavy IO in many of them for > >> extended periods of time. btrfs is on HDDs. > >>=20 > >>=20 > >> Every few days I'm getting "no space left" in a container running=20 > >> mongo > >> 3.2.1 database. Interestingly, haven't seen this issue in containers > >> with MySQL. All databases have chattr +C set on their directories. > >=20 > > Hello, > >=20 > > Do you snapshot the parent subvolume which holds the databases? Can you > > correlate that perhaps ENOSPC occurs at the time of snapshotting? If=20 > > yes, then > > you should try the patch https://patchwork.kernel.org/patch/7967161/ > >=20 > > (Too bad this was not included into 4.4.1.) >=20 > By the way - was it included in any later kernel? I'm running 4.4.5 on=20 > that server, but still hitting the same issue. It's not in 4.4.6 either. I don't know why it doesn't get included, or what we need to do. Last time I asked, it was queued: http://www.spinics.net/lists/linux-btrfs/msg52478.html But maybe that meant 4.5 or 4.6 only? While the bug is affecting people on 4.4.x today. Thanks --=20 With respect, Roman --Sig_/VgAdFBovqyHsi=NnS60jxWX Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEARECAAYFAlcHm78ACgkQTLKSvz+PZwh/SACdG+IrBDyPr2pYo4O4NhoIavXg igwAn2VlngYGpJylNR9jGNGmugBgDHaJ =lvb1 -----END PGP SIGNATURE----- --Sig_/VgAdFBovqyHsi=NnS60jxWX--