Compaq StorageWorks Fibre Channel Troubleshooting Guide

4-6 Compaq StorgeWorks Fibre Channel Troubleshooting Guide
Determine a Bad Link
Begin
Are Fibre Channel Array
Controllers missing?
Were FC-AL errors
detected?
Are all Fibre
Channel Array Controllers
missing on a particular FC-AL?
Go to Checking the Link
beween the Storage Hub 7 and
the Host Bus Adapter flow chart.
Depending on the failing
device found, refer to the
Checking the Link between
the Storage Hub 7 and the
Fibre Array Controller flow
chart or Checking the Link
between the Storage Hub 7
and the Host Bus Adapter
flow chart.
Once the FC-AL is determined
find the failing device by
unplugging one device at a time
from the Fibre Storage Hub 7.
Watch for errors to clear from
the histogram.
Determine which loop has the
errors by highlighting one Host
Bus Adapter at a time and looking
at the Error Histogram.
Determine which Fibre Channel Array
Controllers are missing by
highlighting the server. All of
the Fibre Channel Array Controllers
attached to the Host Adapter
in the server will blink their
drive tray LEDs.
To troubleshoot the missing
Fibre Channel Array Controllers, go to
Checking the Link between the
Storage Hub 7 and Fibre Channel
Array Contoller flow chart.
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Done
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