Setup and Install

Planning the Fabric

TCP / IP

Chapter 2

TCP / IP

TCP/IP is supported on all HF1 (copper) and HF2 (fibre) hardware. Although some of the

HyperFabric adapter cards support both HMP and TCP/IP applications, our focus in this

section will be on TCP/IP HyperFabric applications.

Application Availability

All applications that use the TCP/IP stack are supported, including Oracle 9i and

HP-MPI.

NOTE There are distinct differences between the feature set that is supported for TCP/IP and

the feature set that is supported for HMP. Although TCP/IP and HMP applications are

able to run simultaneously on the same HyperFabric cluster, for practical purposes, a

HyperFabric cluster must run TCP/IP applications exclusively or HMP applications

exclusively.

Features

• OnLine Addition and Replacement (OLAR): Supported

The OLAR feature allows the replacement or addition of HyperFabric adapter cards

while the system (node) is running. HyperFabric supports this functionality on the

rp54xx (L-class), rp74xx (N-class), rp8400 and Superdome systems, running on the

HP-UX 11i platform with patch PHNE_25485.

For more detailed information on OLAR, including instructions for implementing

this feature, see “Online Addition and Replacement—HP-UX 11i Only” on page 55 in

this manual, as well as Configuring HP-UX for Peripherals Part Number

B2355-90698 November 2000 Edition.

• Event Monitoring Service (EMS): Supported

Starting with the December 2000 releases B.11.00.11 and B.11.11.01, the

HyperFabric EMS monitor allows the system administrator to separately monitor

each HyperFabric adapter on every node in the fabric, in addition to monitoring the

entire HyperFabric subsystem. The monitor can inform the user if the resource being

monitored is UP or DOWN. The administrator defines the condition to trigger a

notification (usually a change in interface status). Notification can be accomplished

with a SNMP trap or by logging into the syslog file with a choice of severity, or by

email to a user defined email address.

For more detailed information on EMS, including instructions for implementing this

feature, see “Configuring the HyperFabric EMS Monitor” on page 97 in this manual,

as well as the EMS Hardware Monitors User’s Guide Part Number B6191-90028

September 2001 Edition.

• MC ServiceGuard: Supported

Within a cluster, MC/ServiceGuard groups application services (individual HP-UX

processes) into packages. In the event of a single service failure (node, network, or

other resource), EMS provides notification and MC/ServiceGuard transfers control of