Using Perspectives to fence and unfence nodes attached to the switch

Fencing nodes

1. Bring up Hardware Perspectives for the system
2. Select the node to be fenced by either:
vDouble clicking the node
vOpening the node’s notebook
3. Select either:
vFence
vFence with autojoin
Note: Selecting the autojoin option will automatically place the node back into the operations of the
partition on successful power on of the Node. It is suggested that “Autojoin”
not
be selected at
any time when performing a service action.
4. Click ″Apply″

Unfencing nodes

1. Bring up Hardware Perspectives for the system
2. Select the node to be unfenced by either:
vDouble clicking the node
vOpening the node’s notebook
3. Select “Unfence”
4. Click “Apply”
Efence of primary and primary backup nodes
System design does not allow Efence of primary and backup nodes by default. However, with the -f
option, the primary and primary backup node may be fenced. In this case, a new oncoming primary
node or oncoming primary backup node will be selected for you and an Estart will be issued. Youwill
need to use the Eprimary command after the Efence command has completed to see what the new
primary and primary backup nodes are.
Service position procedures
Note: When placing a switch into the service position, ensure that the customer has removed the switch
from the active configuration.
Placing an SP Switch2 into service position
Note: Make certain the switch has been removed from the active configuration before placing the switch
into the service position.
1. Place the switch circuit breaker in the Off (‘0’) position.
2. Set the inline switch on the power cable to the Off (‘0’) position.
3. At the rear of the switch, remove the power cable from slot J1 and the supervisor cable from slot J2.
4. Record the positions of all switch cables connected to the interposers in slots J3 through J34.
5. Remove the switch cables.
6. Remove the switch mounting screws from the front of the frame.
7. Remove the switch by sliding it out of the front of the frame.
3-10 RS/6000 SP: SP Switch2 Service Guide