From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Qna0D-0001vh-7L for garchives@archives.gentoo.org; Sun, 31 Jul 2011 17:40:37 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 4F85A21C022; Sun, 31 Jul 2011 17:40:26 +0000 (UTC) Received: from mail.ukfsn.org (unknown [77.75.108.3]) by pigeon.gentoo.org (Postfix) with ESMTP id D326B21C022 for ; Sun, 31 Jul 2011 17:39:23 +0000 (UTC) Received: from localhost (smtp-filter.ukfsn.org [192.168.54.205]) by mail.ukfsn.org (Postfix) with ESMTP id C1C67DED4C for ; Sun, 31 Jul 2011 18:39:22 +0100 (BST) Received: from mail.ukfsn.org ([192.168.54.25]) by localhost (smtp-filter.ukfsn.org [192.168.54.205]) (amavisd-new, port 10024) with ESMTP id uKKj88Rz1w4l for ; Sun, 31 Jul 2011 18:40:12 +0100 (BST) Received: from wstn.localnet (unknown [78.32.181.186]) by mail.ukfsn.org (Postfix) with ESMTP id 973D6DED48 for ; Sun, 31 Jul 2011 18:39:22 +0100 (BST) From: Peter Humphrey Organization: at home To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] jbd2 keeps spinning my disk up Date: Sun, 31 Jul 2011 18:39:21 +0100 User-Agent: KMail/1.13.7 (Linux/2.6.39-gentoo-r3; KDE/4.6.3; x86_64; ; ) References: <201107311650.29138.peter@humphrey.ukfsn.org> In-Reply-To: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201107311839.21845.peter@humphrey.ukfsn.org> X-Archives-Salt: X-Archives-Hash: 1e159146fae07d7941a4dafa49c01b90 On Sunday 31 July 2011 17:05:39 Michael Mol wrote: > However, if it's doing that, then it probably has something it needs to > write to disk. That might be metadata updates. What, at least once a minute? While the system's idling, waiting for something to do? Doesn't sound likely to me. > Have you tried adding things to your mount parameters like 'noatime' or > 'relatime'? I've been specifying 'noatime' on all partitions for several years now; it's automatic behaviour on my part. > What about "data=writeback"? I don't like the sound of the warning in the man page. Thanks for the ideas. So far I'm inclining to the reformatting I mentioned. -- Rgds Peter Linux Counter 5290, 1994-04-23