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Re: Updates to layered install

daemon@ATHENA.MIT.EDU (Alex Coventry)
Sun Sep 30 20:37:15 2001

Date: Sun, 30 Sep 2001 20:37:10 -0400 (EDT)
Message-Id: <200110010037.UAA05282@nerd-xing.mit.edu>
From: Alex Coventry <alex_c@MIT.EDU>
To: sly@MIT.EDU
CC: linux-dev@MIT.EDU
In-reply-to: <200110010006.UAA14414@tomcat.mit.edu> (message from Angie Kelic
	on Sun, 30 Sep 2001 20:06:58 -0400)


Yeah, part of the layered installl script removes all the rpm's not on
the control list, so rpm -qa gives exactly the same list as it would on
a cluster machine, and it adjusts the /var/athena/release-rpms file
accordingly, so hopefully it's not subject to those sorts of update
problems. 

Alex.

>>>>> "Angie" == Angie Kelic <sly@MIT.EDU> writes:

    Angie> The way I've seen layered installs fail with redhat version
    Angie> updates is that the stock RedHat install has rpms in it that
    Angie> the athena release does not have.  Athena expects only the
    Angie> rpms listed in /etc/athena/release-rpms to be installed.
    Angie> These 'extra' rpms will never get removed since the athena
    Angie> updates don't generate a complete listing of rpms installed
    Angie> on the machine to compare to the list of release-rpms.  In
    Angie> many cases these rpms do not cause conflicts with minor
    Angie> athena updates but can and do with release version updates.
    Angie> If you do a comparison of rpm -qa and the control list of
    Angie> rpms when the install runs and cledan up the rpms that are
    Angie> 'extra' from teh stock install, you shouldnt run into the
    Angie> update issues that tpyical layered machines see.

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