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[rhelv5-announce] Red Hat Enterprise Linux 5.2 Beta Announcement & Releasenote Clarification



Red Hat would like to correct inaccurate information in the Red Hat
Enterprise Linux 5.2 Beta announcement and Release Notes about supported
update functionality.

Red Hat does not support in-place upgrades between major versions of Red
Hat Enterprise Linux.  Although anaconda's "upgrade" option will allow
users to perform an upgrade from earlier major versions of Red Hat
Enterprise Linux (such as Enterprise Linux 4 to Enterprise Linux 5),
there is no guarantee that the upgrade will result in a working
configuration.  In-place upgrades across major releases do not preserve
all system settings, services, and custom configurations.  For this
reason, Red Hat strongly recommends that you perform a fresh
installation rather than a system upgrade between major versions.   

However, Red Hat does support updates between the GA releases of minor
versions of Red Hat Enterprise Linux 4 or Red Hat Enterprise Linux 5.  
Red Hat recommends that users updating from one minor version of Red Hat
Enterprise Linux 5 (such as 5.0 or 5.1) to Red Hat Enterprise Linux 5.2
do so from Red Hat Network using the hosted Web user interface, Red Hat
Network Satellite, the local graphical Updater, or the yum command
line.  

Even if no network connectivity is available, an update can still be
performed offline using anaconda's "upgrade" functionality.  Note that
anaconda has limited abilities to handle issues such as dependencies on
additional repositories or third-party applications.  And, unlike yum,
anaconda reports installation errors in a log file instead of
interactively. Because of these limitations, Red Hat advises customers
to test and verify offline updates using the exact configuration before
applying the update to the actual target environment, and to carefully
review the update log for errors after applying the update.

Finally, please note that Red Hat does not support system upgrades from
the beta release to the GA product.

Sincerely,

the Red Hat Enterprise Linux team.


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