Date: Sun, 28 Nov 2004 19:56:35 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: stephen@math.missouri.edu Cc: stable@freebsd.org Subject: Re: 5.2 -> 5.3 without single mode? Message-ID: <20041128.195635.44431739.imp@bsdimp.com> In-Reply-To: <41AA745E.3070400@math.missouri.edu> References: <E1CXK4m-0006Je-00._pppp-mail-ru@f21.mail.ru> <20041128.174946.105188774.imp@bsdimp.com> <41AA745E.3070400@math.missouri.edu>
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In message: <41AA745E.3070400@math.missouri.edu>
Stephen Montgomery-Smith <stephen@math.missouri.edu> writes:
: M. Warner Losh wrote:
: > In message: <E1CXK4m-0006Je-00._pppp-mail-ru@f21.mail.ru>
: > dima <_pppp@mail.ru> writes:
: > : > Is it possible to cvsup from 5.2 to 5.3 without booting in single mode?
: > : > I have a remote machine and want update it, but it is no console access,
: > : > only SSH.
: > : You don't actually need to reboot in single-user mode. Just make sure your users wouldn't use the server hard during the
: > : # mergemaster -p
: > : # make installworld
: > : # mergemaster
: > : cycle. You can basically disable all the services but sshd for that task & enable them again after the second reboot.
: >
: > While you don't NEED to go into single user (I do the above all the
: > time), you are setting yourself up to get screwed the first time that
: > a new, common system call is introudced...
: >
:
: So if there is a new common system call introduced, will it arrive with
: a nice entry in UPDATING plus a HEADS UP?
Maybe, maybe not. All I'm saying is that often you can get away with
short cuts, but unless you really know what's going on there are a
number of different things that can mess you up trying to do the
shortcut. Some of which can be a 'restore from backup' mistake.
Warner
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