QLogic OFED+ Host Software User Guide, Rev. B
QLogic OFED+ Host Software User Guide, Rev. B
QLogic OFED+ Host Software User Guide, Rev. B
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<strong>QLogic</strong> <strong>OFED+</strong> <strong>Host</strong> <strong>Software</strong> <strong>User</strong> <strong>Guide</strong><br />
<strong>QLogic</strong> <strong>OFED+</strong> Version 1.5<br />
Checking the logical connection between the InfiniBand <strong>Host</strong><br />
and the VIO hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-1<br />
Verify that the proper VirtualNIC driver is running . . . . . . . . . . . G-2<br />
Verifying that the qlgc_vnic.cfg file contains the correct<br />
information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-2<br />
Verifying that the host can communicate with the I/O<br />
Controllers (IOCs) of the VIO hardware . . . . . . . . . . . . . . . . . . G-3<br />
Checking the interface definitions on the host. . . . . . . . . . . . . . . . . . . G-6<br />
Interface does not show up in output of 'ifconfig' . . . . . . . . . . . . G-6<br />
Verify the physical connection between the VIO hardware and<br />
the Ethernet network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-7<br />
Troubleshooting SRP Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-8<br />
ib_qlgc_srp_stats showing session in disconnected state . . . . . G-8<br />
Session in 'Connection Rejected' state . . . . . . . . . . . . . . . . . . . . . . . . G-9<br />
Attempts to read or write to disk are unsuccessful . . . . . . . . . . . . . . . G-11<br />
Four sessions in a round-robin configuration are active . . . . . . . . . . . G-12<br />
Which port does a port GUID refer to . . . . . . . . . . . . . . . . . . . . . . . . G-12<br />
How does the user find a <strong>Host</strong> Channel Adapter port GUID . . . . . . . G-13<br />
Need to determine the SRP driver version.. . . . . . . . . . . . . . . . . . . . . G-15<br />
H<br />
I<br />
Write Combining<br />
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-1<br />
Verify Write Combining is Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-1<br />
PAT and Write Combining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-2<br />
MTRR Mapping and Write Combining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-2<br />
Edit BIOS Settings to Fix MTRR Issues . . . . . . . . . . . . . . . . . . . . . . . H-2<br />
Use the ipath_mtrr Script to Fix MTRR Issues. . . . . . . . . . . . . . . . H-3<br />
Useful Programs and Files<br />
Check Cluster Homogeneity with ipath_checkout . . . . . . . . . . . . . . . . . I-1<br />
Restarting InfiniPath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1<br />
Summary and Descriptions of Useful Programs . . . . . . . . . . . . . . . . . . . . . I-2<br />
dmesg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-3<br />
iba_opp_query. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-4<br />
ibhosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-7<br />
ibstatus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-7<br />
ibtracert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-8<br />
ibv_devinfo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-9<br />
ident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-9<br />
ipathbug-helper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-10<br />
ipath_checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-10<br />
D000046-005 xi
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