Fujitsu PRIMEQUEST 2000 Series Administration Manual page 111

CHAPTER 4 PCI Card Hot Maintenance in Red Hat Enterprise Linux 6
4.6 Hot Replacement of PCI Express Cards
This operation concurrently installs the device associated with the relevant adapter on the system. After
power-on, you need to confirm that the card and driver are correctly installed. The procedures vary
depending on the card and driver specifications. For the appropriate procedures, see the respective
manuals.
- For the partition without Dynamic Reconfiguration utility installed
You can power on and off a PCI Express slot through an operation on the file confirmed in
power status of a PCI Express
To disable a PCI Express card and make it ready for removal, write "0" to the "power" file in the directory
corresponding to the target slot. The LED goes out.
# echo 0 > /sys/bus/pci/slots/<slot number>/power
This operation concurrently removes the device associated with the relevant adapter from the system.
To enable the card again and make it available, write "1" to the "power" file in the directory corresponding
to the disabled slot.
# echo 1 > /sys/bus/pci/slots/<slot number>/power
This operation concurrently installs the device associated with the relevant adapter on the system. After
power-on, you need to confirm that the card and driver are correctly installed. The procedures vary depending
on the card and driver specifications. For the appropriate procedures, see the respective manuals.
Operation for Hot replacement of PCI Express card by Maintenance Wizard
This item describes Operation for Hot replacement of PCI Express card (PCIC) by Maintenance Wizard
Below works are performed by the field engineer in charge of your system.
1. Start [Maintenance Wizard] menu by MMB Web-UI and display [Maintenance Wizard] view.
2. Select [Replace Unit] and click [Next].
3. Select [PCI_Box(PCIC)], click [Next].
slot".
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