From owner-freebsd-hackers Fri Jun 25 14:29:19 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by hub.freebsd.org (Postfix) with SMTP id 94B71151E0 for ; Fri, 25 Jun 1999 14:29:15 -0700 (PDT) (envelope-from luigi@labinfo.iet.unipi.it) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id VAA04356; Fri, 25 Jun 1999 21:03:53 +0200 From: Luigi Rizzo Message-Id: <199906251903.VAA04356@labinfo.iet.unipi.it> Subject: Re: ufs/ffs resize? To: dillon@apollo.backplane.com (Matthew Dillon) Date: Fri, 25 Jun 1999 21:03:52 +0200 (MET DST) Cc: aaron-fbsd@mutex.org, freebsd-hackers@FreeBSD.ORG In-Reply-To: <199906252115.OAA95464@apollo.backplane.com> from "Matthew Dillon" at Jun 25, 99 02:14:42 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 1296 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > :anybody done any work on a utility for growing ufs filesystems? > : > :aaron > > It has been brought up a couple of times but nobody has tried > to do actually it. Personally, I think it would be a doable > project if someone wanted to have a go at it - to allow a filesystem > to be grown or shrunk on a cylinder-by-cylinder basis. The only real > complexity occurs when you are shrinking a filesystem - you have to locate > the inodes & indirect blocks associated with allocated data blocks > in the cylinder you are trying to remove in order to move the blocks. the latter would be the task for a "packer" utility. Myself, I have desired more often to be able to shring a FS than extend one (i mean, barring black magic that would put on a disk more stuff than its capacity). cheers luigi -----------------------------------+------------------------------------- Luigi RIZZO, luigi@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL/FAX: +39-050-568.533/522 . via Diotisalvi 2, 56126 PISA (Italy) http://www.iet.unipi.it/~luigi/ngc99/ ==== First International Workshop on Networked Group Communication ==== -----------------------------------+------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message