Performing Diagnostics; Running Loopback And Read/Write Buffer Diagnostic Tests - Qlogic SANsurfer FC HBA Manager User Manual

8

Performing Diagnostics

SANsurfer FC HBA Manager provides end-to-end diagnostics that allow you to
test HBAs and the devices to which they are connected. Diagnostic tests include
the following:
The loopback test, which is external to the HBA, evaluates the ports
(transmit and receive transceivers) on the HBA and the error rate.
The read/write buffer test verifies the link between the HBA and its attached
devices.
This section contains the following diagnostic procedures:
"Running Loopback and Read/Write Buffer Diagnostic Tests" on page 8-1
"Viewing HBA Port Transceiver Details" on page 8-7
Running Loopback and Read/Write Buffer
Diagnostic Tests
SANsurfer FC HBA Manager offers two diagnostic tests: loopback and read/write.
You can access the diagnostic testing facility from the Diagnostics page or by
clicking the Diags button on the toolbar.
Before running a diagnostic test, consider the following:
Because diagnostic testing interrupts normal HBA operations, you should
run these tests when no other activities are required of the HBA.
The HBA state reverts to pre-test conditions at the end of the testing
process.
Diagnostic tests read and write to sensitive areas on the HBA.
Disruption of some diagnostic tests may require a complete update of the
HBA's critical memory areas.
SN0054651-00 B 8-1