From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B27FA7F62 for ; Wed, 14 Aug 2013 13:13:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A473E8F8068 for ; Wed, 14 Aug 2013 11:13:31 -0700 (PDT) Received: from mx1.vr-web.de (mx0.vr-web.de [195.200.35.198]) by cuda.sgi.com with ESMTP id yAV4QIQtKBAbUKUO for ; Wed, 14 Aug 2013 11:13:30 -0700 (PDT) Message-ID: <520BC8B1.9060106@allmail.net> Date: Wed, 14 Aug 2013 20:13:05 +0200 From: Michael Maier MIME-Version: 1.0 Subject: Re: Failure growing xfs with linux 3.10.5 References: <52073905.8010608@allmail.net> <5207D9C4.7020102@sandeen.net> <52090C6C.6060604@allmail.net> <20130813000453.GQ12779@dastard> <520A5132.6090608@allmail.net> <520B1B4F.9070800@hardwarefreak.com> <520B9CCF.1040908@allmail.net> <520BBEFB.9030002@hardwarefreak.com> In-Reply-To: <520BBEFB.9030002@hardwarefreak.com> 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: stan@hardwarefreak.com Cc: Eric Sandeen , xfs@oss.sgi.com Stan Hoeppner wrote: > If you keep growing until you consume the disk, you'll have ~100 > allocation groups. Typically you'd want to have no more than 4 AGs per > spindle. You already have 42 (or 45) which will tend to seek the disk > to death with many workloads, driving latency through the roof and > decreasing throughput substantially. Do you notice any performance > problems yet? What are expected rates for copying e.g. a 10GB file? It's a Seagate Barracuda 3000GB Model ST3000DM001 SATA connected to SATA 6 Gb/s chip. The source and the destination FS is LUKS crypted. About 3 GB usable RAM (cache), AMD FX-8350 processor @ max. 3800MHz. It's getting slower as more as the free space on the fs is reduced (beginning at about the last GB). Resizing it makes the problem disappear again. > Or is this XFS strictly being used as a WORM like backup > silo? yes Thanks, Michael _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs