Fujitsu PRIMERGY BX900 User Manual page 68

Scenario 4: Replace a defect stack member from the stack
For instance, CB1, CB2, CB3, and CB4 form a stack system, and CB1 is the stack master and the others
are the stack members, and the CB4 is the defect one. You could remove CB4 directly without affecting
the functionality of the stack system. Then, plug-in the new CB to the previous position of CB4, and
connect the external stacking cable between CB2 and CB4. After CB4 is booted, it will become stack
member.
Scenario 5: Replace a defect stack master from the stack (If the defect one is the stack master,
this means that the remaining stack members will re-elect a new stack master.)
Assume that the CB1, the stack master, is the defect one, and CB2 becomes the stack master after CB1
is failed. Remove the external stacking cable of CB1, and remove CB1 from the fabric, and plug-in a new
CB into the previous position of CB1, then connect the external stacking cable between CB1 and CB3.
After CB1 is booted, it will become the stack member. If you want the CB1 to be the stack master, you
need to use "switch movemangement <fromunit> <tounit>" command from CB2 (stack master) to move
the stack master from CB2 to CB1.
Scenario 6: Stack two switches across two chassis
Assume that CB1 on zBox 1 to be the stack master, therefore, we need to plug in the CB1 on zBox 1
first. Then, plug-in the CB1 on zBox 2 and connect the stacking cable within the next 20 seconds.
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