From owner-freebsd-fs@FreeBSD.ORG Fri Aug 31 23:02:58 2007 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 53E5816A419; Fri, 31 Aug 2007 23:02:58 +0000 (UTC) (envelope-from kvs@binarysolutions.dk) Received: from solow.pil.dk (relay.pil.dk [195.41.47.164]) by mx1.freebsd.org (Postfix) with ESMTP id 1B40713C46B; Fri, 31 Aug 2007 23:02:57 +0000 (UTC) (envelope-from kvs@binarysolutions.dk) Received: from coruscant.local (naboo.binarysolutions.dk [80.196.17.173]) by solow.pil.dk (Postfix) with ESMTP id 2F55F1CC0ED; Sat, 1 Sep 2007 01:02:57 +0200 (CEST) Received: by coruscant.local (Postfix, from userid 502) id C2A4D5D73B7; Sat, 1 Sep 2007 01:02:55 +0200 (CEST) To: Pawel Jakub Dawidek References: <20070820112946.GC16977@garage.freebsd.pl> <20070831213812.GB13098@garage.freebsd.pl> From: Kenneth Vestergaard Schmidt Date: Sat, 01 Sep 2007 01:02:55 +0200 In-Reply-To: <20070831213812.GB13098@garage.freebsd.pl> (Pawel Jakub Dawidek's message of "Fri\, 31 Aug 2007 23\:38\:13 +0200") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (darwin) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-fs@freebsd.org Subject: Re: ZFS: 'checksum mismatch' all over the place X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Aug 2007 23:02:58 -0000 Pawel Jakub Dawidek writes: >> I'm not quite sure what knobs to twiddle with, or what values to watch, >> so any help in this department would be much appreciated. I'm sure it'd >> be nice to update the Wiki, too, with that info, since the values there >> don't make things stable. > > Is this recent HEAD? If so, this may be because of too much metadata > caching in ZFS. This was fixed in ZFS, so now ARC can limit metadata > cache, but this change is not yet in the tree (only in my perforce > branch). FreeBSD 7.0-CURRENT #1: Wed Aug 29 15:12:02 CEST 2007 Let me know if you need any testing - the box is pretty unusable in its current state :) -- Kenneth Schmidt pil.dk