IBM 2027-R04, Installation And Service Manual

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© Copyright IBM Corp. 2007 41
Chapter 3: Maintenance and troubleshooting
Use the links below to access the major topics in this chapter.
Upgrading firmware (E/OSi)
This section provides information on how to upgrade firmware on
the SAN Router. This details the constraints and limitations involved
in upgrading firmware, tips for migrating to 5.0 version, and steps to
follow for downloading and activating the firmware or restoring a
previous firmware version for the SAN Router.
NOTE:
You may also need to upgrade the bootrom file if you have another
version installed. Refer to
Upgrading bootrom (E/OSi)
on page 46 to determine
if you need to upgrade and to view the upgrade instructions.
Section Page
Upgrading firmware (E/OSi)
41
Upgrading bootrom (E/OSi)
46
Troubleshooting overview
48
SAN Router LEDs
52
SAN Router troubleshooting
53
GE port troubleshooting
56
Serial Management Console troubleshooting
57
Retrieving the system log
57
Accessing SNMP alerts or alarms
58
Performing a loopback test
60
Cleaning fiber-optic components
61