Date: Mon, 1 Feb 1999 23:11:39 -0600 (CST) From: Kevin Day <toasty@home.dragondata.com> To: jdp@polstra.com (John Polstra) Cc: spork@super-g.com, hackers@FreeBSD.ORG Subject: Re: 'cpdup' program, and question Message-ID: <199902020511.XAA29187@home.dragondata.com> In-Reply-To: <XFMail.990201210330.jdp@polstra.com> from John Polstra at "Feb 1, 1999 9: 3:30 pm"
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> > spork wrote: > > On Thu, 28 Jan 1999, John Polstra wrote: > > > >> At least one commercial company employs CVSup to do field upgrades > >> of their FreeBSD-based product. In that application, CVSup upgrades > >> the entire root and /usr filesystems. > > > > Have you seen any example-laden FAQs on something like this? You've > > piqued my curiousity... > > I don't know the full details of how they've done it. But my > understanding is that they've simply made one or two big collections > representing the filesystems. CVSup takes great pains to update all > files atomically, so it normally wouldn't cause problems to upgrade a > running system. Obviously you have to carefully think through all the > "what ifs", and be prepared to recover from them. > > John I'm also thinking about using cvsup for field updates in an embedded product. (either by modem, or by cd)... If anyone has anything to share, i'd love to hear too. :) Kevin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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