From owner-freebsd-current Sat Mar 7 16:12:41 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id QAA02196 for freebsd-current-outgoing; Sat, 7 Mar 1998 16:12:41 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id QAA02190 for ; Sat, 7 Mar 1998 16:12:37 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id TAA00282; Sat, 7 Mar 1998 19:12:31 -0500 (EST) (envelope-from toor) Message-Id: <199803080012.TAA00282@dyson.iquest.net> Subject: Re: Okay, -current should be conditionally safe to use In-Reply-To: <199803080000.BAA03875@ocean.campus.luth.se> from Mikael Karpberg at "Mar 8, 98 01:00:17 am" To: karpen@ocean.campus.luth.se (Mikael Karpberg) Date: Sat, 7 Mar 1998 19:12:31 -0500 (EST) Cc: current@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL32 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Mikael Karpberg said: > > Would tuning the NFS exported disk SoftUpdates do a significant difference? > Yes. > > For the moment I don't think we're ready to use the SoftUpdates code, since > we're using the machine for more then just play, but it might be an > interesting thing to try once it's more robust. > It probably isn't a good idea to use softupdates in production yet. However, another interesting thing to try is: sysctl -w vfs.nfs.async=1 on the server. This is better (safer) than softupdates, but you *can* have data lossage, due to writes not being committed to disk. It is a good idea to have a UPS when using the above option. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message