From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Wilhelms Damasio - Taghos Subject: Re: Ext4 flush blocked Date: Sun, 17 Jul 2011 15:54:15 -0300 Message-ID: <4E232FD7.609@taghos.com.br> References: <4E1F95B8.4050005@taghos.com.br> <4E1F9796.5020107@taghos.com.br> <4E1FB492.4070300@tao.ma> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Theodore Ts'o , Andreas Dilger , linux-ext4@vger.kernel.org To: Tao Ma Return-path: Received: from gateway08.websitewelcome.com ([67.18.36.18]:35241 "HELO gateway08.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756135Ab1GQTLe (ORCPT ); Sun, 17 Jul 2011 15:11:34 -0400 Received: from gator1481.hostgator.com (gator1481.hostgator.com [184.173.199.228]) by ham.websitewelcome.com (Postfix) with ESMTP id A04065265C76D for ; Sun, 17 Jul 2011 13:54:29 -0500 (CDT) In-Reply-To: <4E1FB492.4070300@tao.ma> Sender: linux-ext4-owner@vger.kernel.org List-ID: Hi Tao, Em 15/07/2011 00:31, Tao Ma escreveu: > Is there something I can try to fix this? > could you please try to change io scheduler to 'deadline'? > We have met with some similar warnings and changing to 'deadline' makes > ext4 happy. The symptoms were away after changing the system to use deadline scheduler, thanks. Cheers, -- Felipe Wilhelms Damasio TAGHOS - Tecnologia Rua Prof. Alvaro Alvim, 211 Porto Alegre - RS - (51) 3239-3180 www.taghos.com.br