IBM N7800, Hardware And Service Manual

Page: 67 / 182

Shutting down a node
When replacing the boot device in a system running in 7-Mode, you must shut
down the node. Depending on your system's configuration, you might also need to
turn off the power supplies.
Procedure
1. Shut down the system or node:
If the system is in... Then...
A stand-alone configuration and is running
1. Enter the following command at the
console:
halt -t 0
2. Go to the next step.
A stand-alone configuration and is not
running Go to the next step.
An HA pair
1.
Check the status of the target node by
entering the following command from
the partner node's console:
cf status
2. Take one of the following actions,
depending on the result of the
cf status
command:
v If the target node is not running or has
been taken over by the partner node,
go to the next step.
v If the target node took over the
partner node, give back the partner
node using the
cf giveback command
from the target node, initiate the
takeover from the partner node using
the
cf takeover
command, and then
go to the next step.
v
If the target node has not been taken
over by the partner node and is
running, enter the following command
from the partner node, and then go to
the next step:
cf takeover
2.
If applicable, turn off the power supplies and unplug both power cords from
the power source.
Removing the CompactFlash card from the controller module
You must remove the old or failed CompactFlash card from the target controller
module in your system prior to installing the new or replacement CompactFlash
card.
Procedure
1. If you are not already grounded, properly ground yourself.
2.
Remove the bezel, if necessary, and locate the CompactFlash slot in the LCD
module.
Chapter 5. Replacing N7000 series system devices
41