From owner-freebsd-current Sat Mar 7 16:59:22 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id QAA07655 for freebsd-current-outgoing; Sat, 7 Mar 1998 16:59:22 -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 QAA07646; Sat, 7 Mar 1998 16:59:17 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id TAA00326; Sat, 7 Mar 1998 19:59:00 -0500 (EST) (envelope-from toor) Message-Id: <199803080059.TAA00326@dyson.iquest.net> Subject: Re: Okay, -current should be conditionally safe to use In-Reply-To: <199803080028.BAA03950@ocean.campus.luth.se> from Mikael Karpberg at "Mar 8, 98 01:28:51 am" To: karpen@ocean.campus.luth.se (Mikael Karpberg) Date: Sat, 7 Mar 1998 19:58:59 -0500 (EST) Cc: dyson@FreeBSD.ORG, 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: > > We certainly don't have a UPS. > What exactly does turning on that sysctl mean? That we can get an > inconsistant state on the disk, like with mount option async, or that > writes are ACKed (or whatever you call it) directly, and then queued for > a normal write to the disk according to the disks mount options? > It is just like a normal write, violating NFS sematics, but will work just like a regular file write according to filesystem methods. > > And how is it better then SoftUpdates? Because it's not using beta-release > code, or are SoftUpdates a looser here for some other reason? > It isn't ready for production yet. SoftUpdates is better -async, but still not as data-secure as normal mounts. I suggest waiting until late March or early April. The code is probably late Alpha or near-Beta quality, with some known problems. -- 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