From owner-freebsd-hackers Wed Feb 25 18:27:08 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA02695 for freebsd-hackers-outgoing; Wed, 25 Feb 1998 18:27:08 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from parkplace.cet.co.jp (parkplace.cet.co.jp [202.32.64.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA02506 for ; Wed, 25 Feb 1998 18:26:22 -0800 (PST) (envelope-from michaelh@cet.co.jp) Received: from localhost (michaelh@localhost) by parkplace.cet.co.jp (8.8.8/CET-v2.2) with SMTP id CAA02170; Thu, 26 Feb 1998 02:24:58 GMT Date: Thu, 26 Feb 1998 11:24:58 +0900 (JST) From: Michael Hancock To: Karl Denninger cc: Wilko Bulte , Jay Nelson , blkirk@float.eli.net, hackers@FreeBSD.ORG Subject: Re: SCSI Bus redundancy... In-Reply-To: <19980225132146.02016@mcs.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 25 Feb 1998, Karl Denninger wrote: > If it blew chunks then FSCK has to run - and you damn well better be using a > journaled filesystem or this is going to take a LONG time (ie: 20 minutes to > an hour if you have some large disk storage involved here). > > This is one reason, by the way, that LFS being in a "working" state is > important to these kinds of efforts. > > IBM has a solution that they've sold for quite some time based on AIX (which > inherently uses jfs, a journalled filesystem) which does exactly this. There are also ways to avoid having to do an fsck using the softupdates framework and this is one of Kirk McKusick's next projects. Regards, Mike Hancock To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message