Cisco Headend System Release 2.7 Installation Guide
Chapter 2 SR 5.0 Pre-Upgrade Procedures
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Pre-Upgrade System Verification
Verify System Communications
Use this procedure to verify that an active communication link exists between the
DNCS and the various system components. The DNCS must be able to communicate
with other system components to ensure a successful system upgrade.
Important: If any of the following tests fail, troubleshoot the system to the best of
your ability. If you are unable to resolve the failure, contact Cisco Services for
assistance.
1 From the dncs xterm window, use the UNIX cd command to change to the
DNCS and the various system components. The DNCS must be able to communicate
with other system components to ensure a successful system upgrade.
Important: If any of the following tests fail, troubleshoot the system to the best of
your ability. If you are unable to resolve the failure, contact Cisco Services for
assistance.
1 From the dncs xterm window, use the UNIX cd command to change to the
directory that contains the Doctor Report.
2 Type the following command and press Enter to run the Doctor Report.
doctor –av
3 Examine the log file created earlier in this chapter and verify that the system was
able to ping the following hardware components:
The Broadband Integrated Gateway (BIG)
Note: If the site you are upgrading uses Direct ASI, you may not be able to
ping the BIG.
Note: If the site you are upgrading uses Direct ASI, you may not be able to
ping the BIG.
All Quadrature Amplitude Modulators (QAMs) in the system
The Transaction Encryption Device (TED)
4 Verify that you can manually ping all router interfaces in the system.
5 Type df -k and then press Enter to verify that you are using no more than 85
5 Type df -k and then press Enter to verify that you are using no more than 85
percent of the partition capacity of each disk.
Note: If any disk partition lists a capacity of greater than 85 percent, contact
Cisco Services before proceeding.
Note: If any disk partition lists a capacity of greater than 85 percent, contact
Cisco Services before proceeding.
6 Verify that you can successfully stage a DHCT (OSM and CVT methods).
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Complete these steps to perform a slow and fast boot on a test DHCT and
Combo-Box (if available) with a working return path (2-way mode):
a Boot a DHCT.
Combo-Box (if available) with a working return path (2-way mode):
a Boot a DHCT.
Note: Do not press the power button.
b Access the Power On Self Test and Boot Status Diagnostic Screen on the
DHCT and verify that all parameters, except UNcfg, display Ready.
Note: UNcfg displays Broadcast.
c Wait 5 minutes.
d Press the power button on the DHCT. The power to the DHCT is turned on.
e Access the Power On Self Test and Boot Status Diagnostic Screen on the
d Press the power button on the DHCT. The power to the DHCT is turned on.
e Access the Power On Self Test and Boot Status Diagnostic Screen on the
DHCT and verify that all parameters, including UNcfg, display Ready.