From owner-freebsd-stable Sun Sep 30 9:52:42 2001 Delivered-To: freebsd-stable@freebsd.org Received: from point.osg.gov.bc.ca (point.osg.gov.bc.ca [142.32.102.44]) by hub.freebsd.org (Postfix) with ESMTP id 4086837B40D for ; Sun, 30 Sep 2001 09:52:37 -0700 (PDT) Received: (from daemon@localhost) by point.osg.gov.bc.ca (8.8.7/8.8.8) id JAA14030; Sun, 30 Sep 2001 09:52:27 -0700 Received: from passer.osg.gov.bc.ca(142.32.110.29) via SMTP by point.osg.gov.bc.ca, id smtpda14028; Sun Sep 30 09:52:20 2001 Received: (from uucp@localhost) by passer.osg.gov.bc.ca (8.11.6/8.9.1) id f8UGpxq05272; Sun, 30 Sep 2001 09:51:59 -0700 (PDT) Received: from UNKNOWN(10.1.2.1), claiming to be "cwsys.cwsent.com" via SMTP by passer9.cwsent.com, id smtpdsw5270; Sun Sep 30 09:51:19 2001 Received: (from smtpd@localhost) by cwsys.cwsent.com (8.11.6/8.9.1) id f8UGpFs02421; Sun, 30 Sep 2001 09:51:15 -0700 (PDT) Message-Id: <200109301651.f8UGpFs02421@cwsys.cwsent.com> X-Authentication-Warning: cwsys.cwsent.com: smtpd set sender to using -f Received: from localhost.cwsent.com(127.0.0.1), claiming to be "cwsys" via SMTP by localhost.cwsent.com, id smtpdDy2413; Sun Sep 30 09:50:39 2001 X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 Reply-To: Cy Schubert - ITSD Open Systems Group From: Cy Schubert - ITSD Open Systems Group X-Sender: schubert To: Mike Harding Cc: Cy.Schubert@uumail.gov.bc.ca, admin@rshb.com.ru, stable@FreeBSD.ORG Subject: Re: dirpref gives massive performance boost In-reply-to: Your message of "Sun, 30 Sep 2001 09:20:30 PDT." <20010930162030.10A5B133C1@netcom1.netcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 30 Sep 2001 09:50:39 -0700 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20010930162030.10A5B133C1@netcom1.netcom.com>, Mike Harding writes: > > So it sounds like there would be some benefit in tar'ing and untarring > /usr/local, /usr/ports, /usr/src, etc. which will be less > disruptive... At home I performed dump, newfs, and restore using a staged approach to other disks or in one case to another partition on the same disk to avoid backing up to tape. (Musical partitions anyone? :) ) It took about 3.5 hours and eight reboots to do four machines. Most of the 3.5 hours was spent reading, watching CNN, CNBC & CBC/NW, and making a quick trip to the store while data was being moved about -- quite a painless experience. :) At work, I don't have the luxury of doing a wholesale conversion as all the machines have one disk and most have only one partition. I've been toying with the idea of duplicating up /bin for example to /bin.new, booting into single user state during a change window and mv /bin /bin.old && mv /bin.new /bin && rm -rf /bin.old (not exactly but you get the idea). Given that the cylinder groups are not in a virgin state, I'm beginning to think that this approach may be less optimal than what I might expect. In the mean time I've done a make release which includes all of my personal patches to FreeBSD. Besides serving as a DRP recovery starting point, backing up my data and configs (/etc, /var, etc. [no pun intended]) installing from the release I just made and restoring the data might be the best solution. It will probably take less time than the musical partitions I played when converting my four systems at home but require more hands on work. Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD Ministry of Management Services Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message