HP DC SAN Backbone Director Switch Hardware Reference Guide (5697-2158, August 2012)

Replacing a core switch blade (CR8)

This section describes how to remove and replace a core switch blade. Each DC SAN Director

integrates two core switch blades, which are located in slot 5 and slot 8.

The replacement procedure for the core switch blade takes approximately 30 minutes. The following

items are required for the core switch blade replacement:

• ESD grounding strap

• #2 Phillips screwdriver

• Replacement DC SAN Director core switch blade (CR8)

Determining whether or not to replace a CP blade

Confirm that you need to replace the core switch blade before continuing. The following events

might indicate that a core switch blade is faulty:

• The status LED on the core switch blade is lit amber, or the power LED is not lit.

• The slotShow command does not show that the core switch blade is enabled.

• The haShow command indicates an error.

• Any of the following messages display in the error log:

Slot unknown message relating to a core switch blade slot◦

◦ core switch blade errors or I

C timeouts

◦ FRU: FRU_FAULTY messages for a core switch blade

◦ Configuration loader messages or Sys PCI config messages

◦ Generic system driver messages (FABSYS)

◦ Platform system driver messages (Platform)

◦ EM messages that indicate a problem with a core switch blade

◦ Function fail messages for the core switch blade master

For more information about error messages, see the Fabric OS Message Reference.

Removing a core switch blade (CR8)

The DC SAN Director continues to operate while a core switch blade is being replaced.

CAUTION: Wear a grounded ESD strap when handling a CR8 blade. Use the grounding

connections above the power connectors on the chassis.

NOTE: The CR8 blade is compatible only with the DC SAN Director.

Replacing a core switch blade (CR8) 73