From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q476ekwA210425 for ; Mon, 7 May 2012 01:40:46 -0500 Received: from mail.profihost.ag (mail.profihost.ag [85.158.179.208]) by cuda.sgi.com with ESMTP id BKN5vHyrabE6dv77 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sun, 06 May 2012 23:40:43 -0700 (PDT) Message-ID: <4FA76E69.9090207@profihost.ag> Date: Mon, 07 May 2012 08:40:41 +0200 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 Subject: Re: suddenly slow writes on XFS Filesystem References: <4FA63DDA.9070707@profihost.ag> <201205061233.58496.Martin@lichtvoll.de> <4FA69CB0.8000008@hardwarefreak.com> (sfid-20120506_233742_387085_AFEABC59) (sfid-20120506_233742_387085_AFEABC59) <201205062343.21871.Martin@lichtvoll.de> In-Reply-To: <201205062343.21871.Martin@lichtvoll.de> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Martin Steigerwald Cc: stan@hardwarefreak.com, xfs@oss.sgi.com Am 06.05.2012 23:43, schrieb Martin Steigerwald: > Am Sonntag, 6. Mai 2012 schrieb Stan Hoeppner: >> On 5/6/2012 5:33 AM, Martin Steigerwald wrote: >>> Am Sonntag, 6. Mai 2012 schrieb Stefan Priebe: >>>> It is a raid 10 of 20 SATA Disks and i can only write to them with >>>> about 700kb/s while doing random i/o. I tried vanilla Kernel 3.0.30 >>>> and 3.3.4 - no difference. Writing to another partition on another >>>> xfs array works fine. >>> >>> Additionally what RAID is this? SoftRAID or some - which one? - >>> hardware RAID controller? And what disks are used, whats the rpm of >>> these? It is a HW Adaptec 5805 Controller with 20x 7200rpm SATA Disks. > Can free space be defragmented in XFS? xfs_fsr only tries to defragment > files as far as I know. That is a good question. Stefan _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs