From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.17.21]:50234 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751407AbaAFAZ4 (ORCPT ); Sun, 5 Jan 2014 19:25:56 -0500 Received: from [192.168.0.2] ([91.115.176.179]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0LoEwL-1VSX4V37ZR-00gD3N for ; Mon, 06 Jan 2014 01:25:54 +0100 Message-ID: <52C9F80F.4080500@gmx.at> Date: Mon, 06 Jan 2014 01:25:51 +0100 From: Sulla MIME-Version: 1.0 To: Chris Murphy CC: linux-btrfs@vger.kernel.org Subject: Re: btrfs-transaction blocked for more than 120 seconds References: <52C2AE7C.5020601@gmx.at> <64E70864-9830-4145-9EDF-F53A79977999@colorremedies.com> <52C9CBEF.2000309@gmx.at> <846FC885-56B5-422B-9366-D690D4258139@colorremedies.com> <06E20869-27B1-4868-8F0E-F78A154E76F0@colorremedies.com> In-Reply-To: <06E20869-27B1-4868-8F0E-F78A154E76F0@colorremedies.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Thanks Chris! Thanks for your support. >> echo 120 >/sys/block/sdX/device/timeout timeout is 30 for my HDDs. I'm well aware that the WD green HDDs are not the perfect ones for servers, but they were cheaper - and quieter - than the black ones for servers. I'll get the red ones next, though. ;-) >> You also need to schedule regular scrubs at the md level as well. Ubuntu does that once a month. >> cat /sys/block/mdX/mismatch_cnt this resides in cat /sys/devices/virtual/block/md1/md/mismatch_cnt on my machine. the count is zero. >> The workload is presumably small file sizes, like a mail server? Yes. It serves as a mailserver (maildir-format), but also as a samba file server with quite big files... btrfs ran fine for more than a year, so I'm not sure how reproducible the problem is... I don't really wish to install or compile cumstom kernels, to be honest. Not sure how problematic they might be during the next do-release-upgrade... Sulla - -- Russian Roulette is not the same without a gun and baby when it's love, if it's not rough, it isn't fun, fun. Lady GaGa, "Pokerface" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlLJ+A8ACgkQR6b2EdogPFuFwwCffSjZpDJvIj70Ag+CPbClCVuc viEAnjqnxcEdhKR2Gq84eGYEXfjfb23F =pmTS -----END PGP SIGNATURE-----