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Duplex ESS upgrade workflow
!
CAUTION:
Do not attempt to use this abbreviated workflow as the procedure. To perform the
CAUTION:
upgrade on the duplicated ESS, use the procedures from
ESS servers
page 209.
On each duplex ESS server, complete the following tasks:
1. Upgrade the ESS.
2. Access the System Management Interface (formerly known as Maintenance Web
Interface).
3. Configure the PE interface. Ensure that PE is assigned an IP-alias address and ensure
that PE is assigned to the same NIC as the corporate LAN.
4. Verify that the Server A of the duplex ESS is active.
After you upgrade each duplex ESS pair of servers, complete the following tasks on the main
server:
1. Change the node name of server A for the duplicated pair to the node name configured for
the PE interface. If the node name does not exist, define a new node name with the IP
address that you configured for the PE interface of the duplex ESS.
2. Save translations.
After you upgrade ALL the ESS and LSP servers in the system, upgrade the main server(s):
1. Upgrade the main server(s).
2. If the system has any duplicated ESS servers, administer the Server A node name of
each duplicated ESS pair on its respective survivable-processor SAT screen.
3. Save translations.
Verifying the status of ESS servers
An ESS server could assume control of one or more port networks at any time. Therefore, it is
important that you verify the status of an ESS server before you start the upgrade.
on page 145 through
Verifying the status of ESS servers
Registering Communication Manager
Verifying the status of
on
Issue 1 May 2009
145
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