Control Processor Maintenance - Brocade Communications Systems SilkWorm 12000 Design, Deployment And Management Manual

Blower FRU hot plug cycles are instantaneous -- blower assemblies operate immediately upon insertion
or power up. After installing the blower assembly, use the fanShow command to verify proper
operation.
Running with three blower assemblies is the optimal spec for the SilkWorm 12000. The switch
continues to operate if multiple blower assemblies fail. The system uses the card power down sequence
defined by the powerOffListShow/powerOffListSet command to power down when temperature
threshold values are exceeded. In the following example powerOffListShow 16-port card in Slot 10
would power down first and decrement as necessary.
sw0_155:admin> powerofflistshow
Slot 10 will be powered off 1st
Slot
Slot
Slot
Slot
Slot
Slot
Slot
Note:

Control Processor Maintenance

There are two control processor (CP) cards in a SilkWorm 12000 chassis. The initial release supports an
active-standby configuration where one CP card can manage two 64-port switches in the chassis.
Figure 7-6 shows the CP card location in the chassis, Slots 5 and 6 are for the CP cards.
Publication Number 53-0000251-02
9 will be powered off 2nd
8 will be powered off 3rd
7 will be powered off 4th
4 will be powered off 5th
3 will be powered off 6th
2 will be powered off 7th
1 will be powered off 8th
The three blower assemblies for the SilkWorm 12000 are hot swappable and can be replaced
without any tools. The fanShow command can be used determine and verify proper operation.
A fully loaded chassis can continue to operate without disruption with just two blower
assemblies.
Maintaining the SilkWorm 12000
7
7-13