From owner-freebsd-isp Tue Jan 27 17:44:03 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA09093 for freebsd-isp-outgoing; Tue, 27 Jan 1998 17:44:03 -0800 (PST) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA09077 for ; Tue, 27 Jan 1998 17:43:55 -0800 (PST) (envelope-from grog@lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.8.7/8.8.5) with ESMTP id MAA21643; Wed, 28 Jan 1998 12:08:28 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.8.8/8.8.7) id MAA16318; Wed, 28 Jan 1998 12:08:27 +1030 (CST) (envelope-from grog) Message-ID: <19980128120827.26052@lemis.com> Date: Wed, 28 Jan 1998 12:08:27 +1030 From: Greg Lehey To: andrew@pubnix.net Cc: "Ben Kirkpatrick, ELI" , freebsd-isp@FreeBSD.ORG Subject: Re: CCD Dreams? Was (Re: Sendmail - low on space) References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.84e In-Reply-To: ; from Andrew Webster on Tue, Jan 27, 1998 at 08:34:19PM -0500 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 WWW-Home-Page: http://www.lemis.com/~grog Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, Jan 27, 1998 at 08:34:19PM -0500, Andrew Webster wrote: > On Tue, 27 Jan 1998, Ben Kirkpatrick, ELI wrote: >> On Tue, 27 Jan 1998, Andrew Webster wrote: >>> On Wed, 28 Jan 1998, Norman Hoy wrote: >>> Of course what would be REALLY nice would be a virtual disk driver like >>> AIX's JFS where you can just keep adding disks when you run out of space >>> on the logical volume! >>> >>> Oh well, we can at least dream... >>> >>>> Hi all, >>>> I must admit I am lazy, and working out how >>>> much room to leave for /var and /tmp for some future time >>>> is just all too hard. re-partitioning hdd's is also too hard. >>>> Where as in comparision to my time several hdd's are cheap. >>>> >>>> So I put /var and /tmp on their own physical hdd. So if I run out >>>> of space all I do is get a bigger hdd and replace the one that is too >>>> small > >> I haven't worked with CCD at all, but it sounds like the same ballpark. >> Any idea how much code would have to be changed to get this kind of >> functionality? >> I really like the idea of having everything but the root be under a >> rubberized partioning scheme. I wonder how much overhead is involved? > > To my understanding, CCD doesn't really offer that because you have to > "Start-over" each time you add a disk to it. I'm using CCD on my news > server, but I've never needed to add another disk yet. The real problem here is not CCD, but UFS. You can't expand a file system, so expanding its partition doesn't help. Greg