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5 – Software Installation
Customer Acceptance Utility
IB0056101-00 G 5-31
A
Use a PCIe MaxReadRequest size of at least 512 bytes with the
QLE7240 and QLE7280. QLE7240 and QLE7280 adapters can support
sizes from 128 bytes to 4096 byte in powers of two. This value is typically
set by the BIOS.
Use the largest available PCIe MaxPayload size with the QLE7240 and
QLE7280. The QLE7240 and QLE7280 adapters can support 128, 256, or
512 bytes. This value is typically set by the BIOS as the minimum value
supported both by the PCIe card and the PCIe root complex.
Adjust the MTRR setting. Check that the BIOS setting for MTRR is
Discrete. For more information, see “MTRR Mapping and Write
Combining” on page A-2.
Customer Acceptance Utility
ipath_checkout is a bash script that verifies that the installation is correct and
that all the nodes of the network are functioning and mutually connected by the
InfiniPath fabric. It must be run on a front end node, and requires specification of a
nodefile. For example:
$ ipath_checkout [options] nodefile
The nodefile lists the hostnames of the nodes of the cluster, one hostname per
line. The format of
nodefile is as follows:
hostname1
hostname2
...
ipath_checkout
performs the following seven tests on the cluster:
1. Executes the
ping command to all nodes to verify that they all are reachable
from the front end.
2. Executes the
ssh command to each node to verify correct configuration of
ssh.
3. Gathers and analyzes system configuration from the nodes.
4. Gathers and analyzes RPMs installed on the nodes.
5. Verifies QLogic hardware and software status and configuration. Includes
tests for link speed, PIO bandwidth (incorrect MTRR settings), and MTU
size.
NOTE:
The hostnames in the nodefile are Ethernet hostnames, not IPv4 addresses.