Issue 2.1 June 2006 63
Upgrades
An upgrade is an installation of a newer release of software on an existing media server or a
newer version of firmware on a hardware component. Hardware components include:
● Media gateways
● Media modules
● Ethernet switches
● Programmable circuit packs
Note:
Note: The information in this book describes upgrades to Linux-based media servers
only. For more information about upgrades of Avaya Communication Manager on
the DEFINITY Server CSI, see Installation, Upgrades, and Additions for Avaya
CMC1 Media Gateways, 555-233-118.
The most common type of upgrade is an update of Communication Manager on a media server.
Upgrades can be either major or minor. A minor upgrade is a dot release. On occasion an
upgrade requires a change in hardware, such as the hard disk drive.
On occasion it is necessary to install a service pack in between releases of Avaya
Communication Manager. A service pack is also known as a software update or patch. This
process updates a portion of Communication Manager without changing the release. On
occasion, an upgrade may require a pre-upgrade or post-upgrade service pack or both.
!
CAUTION:
CAUTION: When you are upgrading the media server as a primary controller, you must
check Product Support Notice #739U for the supported upgrade paths. If you
attempt to upgrade the media server to a release that is not supported as an
upgrade path, you might corrupt the translations.
Also, you must check PSN #739U for compatibility of software loads between the
primary controller and any LSPs or ESSs. If the software loads of the primary
controller and the LSPs/ESSs are incompatible, then file synchronization
between the primary controller and the LSPs/ESSs can cause translation
corruption on the LSPs/ESSs.
To check PSN #739U, from any computer, access http://support.avaya.com.
Select Product Support Notices > View All Documents > PSN #739U.
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