8-28 System Upgrade

Precautions

If you remove a PCI module during operation, dual configuration of its internal hard disks will be cancelled. If you mount the module again, the dual configuration will be restored automatically. However, do not perform a system shutdown or remove any of the PCI modules before the dual configuration is completed. Otherwise, hard disk data could be corrupted.

Removing the primary (active) module will cause unexpected trouble. Be sure to remove the secondary (inactive) module.

When the secondary BMC is not in synchronous condition, removing the PCI module on the primary BMC will lose the SG data (system data). If one of the STATUS LEDs is blinking in red, do not remove the PCI module associated with another STATUS LED.

When DC power is off:

BMC#1

BMC#2

Status

Off (Primary)

Blinking in red

Do not remove the PCI module on Primary

 

(Secondary)

BMC side.

 

(At 1-second intervals)

BMC Sync disabled.

Off (Primary)

Lit in red (Secondary)

Do not remove either of the PCI modules.

 

 

During BMC Sync.

Off (Primary)

Blinking in red

Do not remove either of the PCI modules or

 

(Secondary)

control the AC/DC power before the LED

 

(At 0.5-second intervals)

stops blinking.

When DC power is on:

BMC#1

BMC#2

Status

Lit in green

Blinking in red

Do not remove the PCI module on Primary

(Primary)

(Secondary)

BMC side.

 

(At 1-second intervals)

BMC Sync disabled.

Lit in green

Lit in red (Secondary)

Do not remove either of the PCI modules.

(Primary)

 

During BMC Sync.

Lit in green

Blinking in red

Do not remove either of the PCI modules or

(Primary)

(Secondary)

control the AC/DC power before the LED

 

(At 0.5-second intervals)

stops blinking.

When you remove a PCI module, the system will be powered off automatically. If there is a CD-ROM in the drive, eject it before removing the module.

When you insert a PCI module while the system is off, make sure that the newly inserted PCI module’s BMC status LED is off and then press the power switch.

When replacing a PCI module and a CPU module, replace one module and wait until dual configuration is established to replace the other module. If you replace the both modules simultaneously, dual configuration of either CPU modules or PCI modules may fail. (See Chapter 7 “Troubleshooting”.)

To add a backup module, stop the PCI module to connect and then connect the SCSI cable.

The MTBF value of PCI modules, Ethernet adaptor, and SCSI adaptor (including option boards) are cleared by inserting or removing live line of a PCI module.