RAID Array 450 HSZ50 HSOF Software Version 5.7 for Compaq Tru64 UNIX Release Notes

Release Notes
AA–R1ZZE − TE Page 53
9.2.1.1 Procedure for Same Product ID’s for Dual-Redundant
Rolling Upgrade
1. Establish a local connection to the controller through the maintenance port
of one of the controllers (“this controller’).
2.
Wait for the CLI prompt, and then shut down “other controller” by using
the following command:
SHUTDOWN OTHER_CONTROLLER
CAUTION
Before continuing, wait until the Reset button stops flashing
and stays lit continuously. This indicates that unwritten data is
flushed from the cache module.
3. Remove the program card ESD cover from “other controller”.
4.
Press and hold the controller Reset button while ejecting the old program
card. Release the button after the card is ejected.
5.
Press and hold the Reset button while inserting the new program card in
“other controller” Release the button after the new card is inserted.
NOTE
Wait for the following to happen before continuing:
The Reset button flashes at an approximate once per second rate
and
The maintenance terminal displays a message that finishes with
other controller restarted.
6. Read the status of “other controller” by issuing the following command:
SHOW OTHER_CONTROLLER.
NOTE
When the
SHOW OTHER_CONTROLLER command verifies that the
other controller restarted,
it is safe to continue.