From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 86CD37F52 for ; Mon, 29 Jul 2013 03:31:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 75854304043 for ; Mon, 29 Jul 2013 01:31:54 -0700 (PDT) Received: from mail-ph.de-nserver.de (mail-ph.de-nserver.de [85.158.179.214]) by cuda.sgi.com with ESMTP id n0Lew2cibgbukqJr (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 29 Jul 2013 01:31:53 -0700 (PDT) Message-ID: <51F62878.4090408@profihost.ag> Date: Mon, 29 Jul 2013 10:31:52 +0200 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 Subject: Re: Vanilla 3.0.78 References: <51F61C39.6050200@profihost.ag> <20130729082228.GG13468@dastard> In-Reply-To: <20130729082228.GG13468@dastard> 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 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: "xfs-masters@oss.sgi.com" , "xfs@oss.sgi.com" Am 29.07.2013 10:22, schrieb Dave Chinner: > On Mon, Jul 29, 2013 at 09:39:37AM +0200, Stefan Priebe - Profihost AG wrote: >> Hi, >> >> while running 3.0.78 and doing heavy rsync tasks on a raid 50 i'm gettig >> these call traces: > > Judging by the timestamps the problem clears and the system keeps > running? Yes. > If so, the problem is likely to be a combination of contention on a > specific AG for allocation and slow IO. Given it is RAID 50, it's > probably really slow IO, and probably lots of threads wanting the > lock and queuing up on it. > > What's 'iostat -m -x -d 5' look like when these messages are dumped > out? Don't have that but some nagios stats. There were 1000 iop/s and 8MB/s. But i can reduce the tasks done in parallel if this is the problem. Stefan _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs