HP Fabric Clustering System PCI-X 2-port 4X Fabric (HPC) Adapter Installation Guide, April 2006

HP PCI-X 2-port 4X Fabric (HPC) Adapter Installation
On-Line Addition and Replacement Operations (OL*)
Chapter 1
9
Enable the IPoIB Interface
To enable the IPoIB interface.
Syntax: ifconfig
<ipoib_interface> [address] [netmask] up
Example: ifconfig lan9000 192.32.32.255 up
There is no direct output from this command.
To confirm that the interface is UP, run the ifconfig lan9000 command again.
Output Example:
lan9000: flags=843<UP,BROADCAST,RUNNING,MULTICAST>
inet 192.32.32.255 netmask ffffff00 broadcast 192.32.32.255
Managing the IPoIB Interface
See the HP Fabric Clustering System - HP-UX Administrator's Guide for additional information on the IPoIB
interface.
On-Line Addition and Replacement Operations (OL*)
On-Line Addition and Replacement (OL*) of HP Fabric adapters is supported on HP Fabric Clustering
System version B.11.23.02 or newer with a couple of limitations related to replacing an HCA, see below.
Replacing an HP Fabric Clustering System HCA
CAUTION Do Not use an Attention Button to REPLACE an HP Fabric HCA.
Do not use the Attention Button method of On-Line Addition and Replacement (OL*) to replace an existing
HP Fabric Clustering System HCA, as the slot will not power off. Use the Command Line Interface, or
Peripheral Device Tool graphical user interface (GUI) to replace an HP Fabric HCA. Refer to the Interface
Card OL* Support Guide, available on http://www.docs.hp.com for details on using standard OL* features.
To replace an HCA using the command line, you must use option olrad -f as in this example:
$ /usr/bin/olrad [-f] -r slot_id
where slot_id is the Slot ID of the slot.
The -f option overrides the “data critical” errors returned by Critical Resource Analysis. It is important to
note that olrad will not allow “critical” errors to be overridden and that olrad automatically overrides
“warnings”.
Whether -f is specified or not, critical resource analysis routines are run before an OLA/R operation, to
ensure that the current OLA/R operation does not interrupt the normal working of the system; in other
words, to identify “critical” errors.
The “data critical” errors are typically not critical to the system, but they may be critical to the user. Hence,
the user need to decide whether or not to use the -f option for overriding these types of errors.
HP Fabric HCAs can be added using the Attention Button feature.