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CHAPTER 4 PCI Card Hot Maintenance in Red Hat Enterprise Linux 6
4.7 Hot Addition of PCI Express cards
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C122-E175-01EN
Lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RXbytes:0 (0.0 b) TX bytes:0 (0.0 b)
2. Confirm the slot number of the PCI slot by using the following procedure.
See ‘Confirming the slot number of a PCI Express slot’ in “4.6.2 PCI Express card replacement procedure
in detail”.
3. Confirm that power status of the PCI Express slot
See ‘Checking the power status of a PCI Express slot’ in “4.6.2 PCI Express card replacement procedure
in detail”.
4. Physically add the target NIC by using MMB Maintenance Wizard.
For details on the operation of replacement, see step 1 to 7 of ‘Operation for Hot replacement of PCI
Express card by Maintenance Wizard’ in “4.7.2 PCI Express card addition procedure in detail”
This step is performed by the field engineer in charge of your system.
5. Power on the PCI Express slot.
See ‘Powering on and off PCI Express slots’ in “4.6.2 PCI Express card replacement procedure in detail”.
6. Check whether there is an error in added FC card by MMB Maintenance Wizard.
This step is performed by the field engineer in charge of your system.
For details on the operation of replacement, see step 8 to 11 of ‘Operation for Hot replacement of PCI
Express card by Maintenance Wizard’ in “4.7.2 PCI Express card addition procedure in detail”.
7. Confirm the newly added interface name.
Powering on the slot creates an interface (ethX) for the added NIC. Execute the following command.
Compare its results with those of step 1 to confirm the created interface name.
# /sbin/ifconfig –a
8. Confirm the hardware address of the newly added interface.
Confirm the hardware address (HWaddr) and the created interface by executing the ifconfig command.
For a single NIC with multiple interfaces, confirm the hardware addresses of all the created interfaces.
Example: eth1 is a new interface created for the added NIC.
# /sbin/ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0E:0C:70:C3:38
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RXbytes:0 (0.0 b) TX bytes:0 (0.0 b)
eth1 Link encap:Ethernet HWaddr 00:0E:0C:70:C3:40
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RXbytes:0 (0.0 b) TX bytes:0 (0.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RXbytes:0 (0.0 b) TX bytes:0 (0.0 b)
9. Create an interface configuration file.
Create an interface configuration file (/etc/sysconfig/network-scripts/ifcfg-ethX) for the newly created
interface as follows. In "HWADDR," set the hardware address confirmed in step 7.
If multiple NICs are added or if a NIC where multiple interfaces exist is added, create a file for all the
interfaces.