Nortel Networks 4050 manual Performing minor and major release upgrades

758Chapter 15 Upgrading or reinstalling the software

Major release upgrade: This kind of release may contain bug fixes as well as feature enhancements. All configuration data is retained. To perform a major upgrade, connect to the MIP of the cluster you want to upgrade.

Note: When you activate a software upgrade on a Nortel SNAS 4050 device, all the Nortel SNAS 4050 devices in the cluster reboot. All active sessions are lost.

Upgrading the software on your Nortel SNAS 4050 requires the following:

1Loading the new software upgrade package or install image onto a TFTP/ FTP/SCP/SFTP server on your network.

2Downloading the new software from the TFTP/FTP/SCP/SFTP server to your Nortel SNAS 4050.

3Activating the software on the Nortel SNAS 4050.

Note: Before upgrading, check the accompanying release notes for any specific actions to take for the particular software upgrade package or install image.

Performing minor and major release upgrades

The following description applies to a minor or a major release upgrade.

To upgrade the Nortel SNAS 4050 you will need the following:

•Access to one of your Nortel SNAS 4050 devices through a remote connection (Telnet or SSH), or a console connection.

•The software upgrade package, loaded on a TFTP/FTP/SCP/SFTP server on your network.

•The host name or IP address of the TFTP/FTP/SCP/SFTP server. If you choose to specify the host name, note that the DNS parameters must have been configured. For more information, see “Configuring DNS servers and settings using the CLI” on page 477.

•The name of the software upgrade package (upgrade packages are identified by the .pkg file name extension).

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