From owner-freebsd-questions Sat May 9 01:43:40 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id BAA14175 for freebsd-questions-outgoing; Sat, 9 May 1998 01:43:40 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from fanfic.org (fanfic.org [205.150.35.145]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id BAA14169 for ; Sat, 9 May 1998 01:43:35 -0700 (PDT) (envelope-from dstenn@fanfic.org) Received: from fanfic.org (localhost.fanfic.org [127.0.0.1]) by fanfic.org (8.8.8/8.8.8) with SMTP id EAA15424; Sat, 9 May 1998 04:43:02 -0400 (EDT) (envelope-from dstenn@fanfic.org) Posted-Date: Sat, 9 May 1998 04:43:02 -0400 (EDT) Date: Sat, 9 May 1998 04:43:02 -0400 (EDT) From: Dennis Tenn To: Julian Elischer cc: FreeBSD Questions Subject: Re: Softupdates In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 9 May 1998, Julian Elischer wrote: | Whe writing to a filesystem, there are many dependencies.. | e.g one must write the dat defore writing the inode that points to it | one must write the inode before the directory entry, etc. | | if they are done wrong then a crash will leave the disk in an inconsistent | state. | Until nowm order has been forced by locking and synchronous writes. | this makes the filesystem slow. | | Soft updates does dependency tracking and this ensures that the right | dependencies are followed in asynchronous writes. | | this gives you fast AND safe. | in fact safer than SYNCHRONOUS in some cases.. Thanks for the update Julian. Now where can I get more info on how to add this support to my system? I'd like to try it. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Dennis Tenn * There will always come a time dstenn@fanfic.org * When your love will be tested ICQ# 1457509 * Stand tall and rise to the occasion * For only then will you grow strong. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message