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QLogic OFED+ Host Software User Guide, Rev. B

QLogic OFED+ Host Software User Guide, Rev. B

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I–Useful Programs and Files<br />

Summary and Descriptions of Useful Programs<br />

If the updates directory is present, but empty except for the subdirectory<br />

kernel, then an OFED install is probably being used, and the ident string will<br />

be empty. For example:<br />

$ cd /lib/modules/$(uname -r)/updates<br />

$ ls<br />

kernel<br />

$ cd kernel/drivers/infiniband/hw/qib/<br />

lib/modules/2.6.18-8.el5/updates/kernel/drivers/infiniband/hw/qib<br />

$ ident ib_qib.ko<br />

ib_qib.ko:<br />

ident warning: no id keywords in ib_qib.ko<br />

ipathbug-helper<br />

ipath_checkout<br />

NOTE:<br />

ident is in the optional rcs RPM, and is not always installed.<br />

The tool ipathbug-helper is useful for verifying homogeneity. It is installed<br />

from the infinipath RPM. Before contacting <strong>QLogic</strong> Technical Support, run this<br />

script on the head node of your cluster and the compute nodes that you suspect<br />

are having problems. Looking at the output often helps you find the problem. Run<br />

ipathbug-helper on several nodes and examine the output for differences.<br />

It is best to run ipathbug-helper with root privilege, since some of the queries<br />

it makes require this level of privilege. There is also a --verbose parameter that<br />

increases the amount of gathered information.<br />

If you cannot see the problem, send the stdout output to your reseller, along with<br />

information on the version of the InfiniPath software you are using.<br />

The ipath_checkout tool is a bash script that verifies that the installation is<br />

correct and that all the nodes of the network are functioning and mutually<br />

connected by the InfiniPath fabric. It is installed from the infinipath RPM. It<br />

must be run on a front end node, and requires specification of a nodefile. For<br />

example:<br />

$ ipath_checkout [options] nodefile<br />

The nodefile lists the hostnames of the nodes of the cluster, one hostname per<br />

line. The format of nodefile is as follows:<br />

hostname1<br />

hostname2<br />

...<br />

I-10 D000046-005 B

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