Contents
Safety notices .................................v
Hardware Management Console 7042-CR4, 7042-CR5, 7042-CR6, 7042-CR7, 7042-C06,
7042-C07, and 7042-C08 service .........................1
Hardware Management Console operations .........................1
Identifying your HMC ...............................1
Managed system operation .............................4
HMC system diagnostics ..............................4
Power on the HMC ................................4
Power off the HMC ................................4
Power-on self-test.................................4
Specifications and system unit locations .........................5
Cable the HMC .................................5
External ac power cable for the HMC ..........................5
HMC diagnostics ..................................5
Removal and replacement procedures ...........................8
Hardware Management Console parts ..........................11
Cabling the HMC .................................42
Troubleshooting the HMC ..............................45
Correcting a No connection state for a managed system ....................45
Correcting an Incomplete state for a managed system.....................46
Correcting a Recovery state for a managed system......................47
Recovering partition data on a managed system ......................47
Restoring profile data ...............................48
Correcting an Error state for a managed system ......................48
Correcting a Failed Authentication state for a managed system..................48
Correcting a connection problem between the HMC and a managed system .............49
Resetting the managed system connection from the management console..............50
Resetting the service processor ............................50
HMC and system power-on and power-off procedures ....................51
Reinstalling the HMC machine code ..........................52
Backing up partition profiles ............................53
Restoring critical HMC data .............................53
Rebuilding a RAID 1 array .............................54
Setting up the network interface as a startup device .....................54
Upgrading the machine code on an HMC from Version 6 to Version 7...............56
Step 1. Obtain the upgrade ............................56
Step 2. Back up critical console information.......................56
Step 3. Record the current HMC configuration information .................57
Step 4. Record remote command status ........................57
Step 5. Save upgrade data ............................57
Step 6. Upgrade the HMC software from Version 6 to Version 7 ................58
Step 7. Verify that the HMC machine code upgrade installed successfully ............58
HMC problem analysis ..............................58
Entry point for HMC problem determination ......................60
Beginning HMC problem determination ........................60
Step 1. HMC problem determination ........................60
Step 2. HMC problem determination ........................61
Step 3. HMC problem determination ........................61
Step 4. HMC problem determination ........................61
Testing the HMC ...............................62
Testing for a power problem...........................62
Performing diagnostic procedures .........................62
Performing system unit testing using PC-Doctor ....................62
Testing the modem connection to the managed system ..................63
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