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Firmware downloads require that Ethernet connections be made to both CP
blades. Procedures for loading firmware are described in the Fabric OS
Administrator's Guide.
Time and items required
The installation procedure for the CP blade takes approximately 30 minutes. The
following items are required for the CP blade installation:
v ESD grounding strap
v Workstation computer
v Serial cable
v IP address of an FTP server for backing up the SAN768B configuration
v Phillips #2 screwdriver
v Replacement CP blade (CP8 ).
Verifying the necessity of installation
Confirm that you need to install the CP blade. The following events might indicate
that a CP blade is faulty:
v The status LED on the CP blade is lit amber, or the power LED is not lit.
v The CP blade does not respond to Telnet commands, or the serial console is not
available.
v The slotShow command does not show that the CP blade is enabled.
v The haShow command indicates an error.
v The clock is inaccurate, or the CP blade does not boot up or shut down
normally.
v Any of the following messages display in the error log:
– "Slot unknown" message relating to a CP slot
– CP blade errors or I
– FRU: FRU_FAULTY messages for a CP 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 CP blade
– Function fail messages for the CP master
For more information about error messages, refer to the Fabric OS Message
Reference.
Recording critical SAN768B information
Back up the SAN768B configuration before you replace a CP blade. Refer to the
Fabric OS Administrator's Guide for backup information.
To record critical SAN768B information, do the following:
1. Login to the functioning CP blade as admin, using either a Telnet or a serial
console connection.
2. Enter haShow to determine which CP blade is active:
swDir:admin> haShow
Local CP (Slot 7, CP1) : Active
Remote CP (Slot 6, CP0) : Standby, Healthy
HA Enabled, Heartbeat Up, HA State Synchronized
2
C timeouts
Chapter 5. Removing and installing components
77
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Troubleshooting
