Nortel Networks 4050 User Manual

758 Chapter 15 Upgrading or reinstalling the software

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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.

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

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

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

Activating the software on the Nortel SNAS 4050.

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 

.

•

The name of the software upgrade package (upgrade packages are identified 
by the 

.pkg file name extension).

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.

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