From: Andreas Dilger Subject: Re: Default size of journal? Date: Mon, 11 Jan 2010 02:41:07 -0400 Message-ID: <1D207FF6-B457-4DF3-B7B0-F4090EB8CED5@sun.com> References: <4B4A26B6.805@att.net> Mime-Version: 1.0 Content-Type: text/plain; CHARSET=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7BIT Cc: linux-ext4@vger.kernel.org To: Jeff Layton Return-path: Received: from sca-es-mail-1.Sun.COM ([192.18.43.132]:44289 "EHLO sca-es-mail-1.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751832Ab0AKGlM (ORCPT ); Mon, 11 Jan 2010 01:41:12 -0500 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-1.sun.com (8.13.7+Sun/8.12.9) with ESMTP id o0B6f9JE011278 for ; Sun, 10 Jan 2010 22:41:11 -0800 (PST) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) id <0KW200G00KZN2U00@fe-sfbay-10.sun.com> for linux-ext4@vger.kernel.org; Sun, 10 Jan 2010 22:41:09 -0800 (PST) In-reply-to: <4B4A26B6.805@att.net> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 2010-01-10, at 15:12, Jeff Layton wrote: > I'm sorry if this is a repeat, but I was wondering what the > default journal size is for ext4 when it's built on a single > partition? Or does it vary in size as needed? It varies with the size of the filesystem. I believe the largest default size is 128MB, but I don't know offhand what the cutoff size is. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.