Date: Thu, 22 Mar 2001 01:59:41 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: fschapachnik@vianetworks.com.ar Cc: tlambert@primenet.com (Terry Lambert), freebsd-fs@FreeBSD.ORG Subject: Re: growfs Message-ID: <200103220159.SAA13427@usr05.primenet.com> In-Reply-To: <200103211252.JAA94399@ns1.via-net-works.net.ar> from "Fernando Schapachnik" at Mar 21, 2001 09:52:52 AM
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> > > I was wondering how usable is the growfs implementation > > > available in -CURRENT. > > > > > > Any chance of using it on -STABLE? > > > > It will work as well as it works pretty much everywhere, going > > back a long time. I believe the first version from "Der Mouse" > > ran on FreeBSD 1.1.5. > > Any place it can be downloaded? (I mean: is it just userland and I > grab it from -CURRENT, or there kernel/UFS code patches also?). It's called "fsresize" these days: http://www.nethelp.no/scsi/fsresize.c > > The problem with this is that you will get fragmentation; > > consider the following two cases; the first is a disk of > > size "10"; the second is a disk of size "6" that has been > > "grown" to size "10". The "*" are allocated blocks, and > > the "." are unallocated blocks; "o" are blocks that would > > have been allocated in the new space, if it had been there > > at the time the were allocated (but it wasn't): > > Thanks for the extense explanation! > > Actually, this is good enough for what I need: I'm planning to offer > backup space to customers. So I will start with an x Gb HD (vinum'ed, > of course). When I sold the whole of it, or I'm about to do it, then > I will add a new one. The trick is that there are very high chances > that when I've sold x Gb of backup space, the real used space is y, > being y << x, so basically I'm adding disk space when there is a lot > of space available still. > > Will that suffice, or am I lying somewhere? If you have a lot of space out there, then you will be fine. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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