Cisco Headend System Release 2.7
Chapter 2 DNCS Pre-Upgrade Procedures
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When to Complete These Procedures
Upgrade Process
As you are planning the upgrade, be sure to contact your billing vendor to make
arrangements to suspend the billing interface on the night of the upgrade. This is an
important step. Your system must not try to access the database during the upgrade
process. In addition, contact the provider(s) of any third-party applications that your
system supports. Follow their guidance in determining whether these third-party
interfaces should be stopped and if the application needs to be updated during the
upgrade.
arrangements to suspend the billing interface on the night of the upgrade. This is an
important step. Your system must not try to access the database during the upgrade
process. In addition, contact the provider(s) of any third-party applications that your
system supports. Follow their guidance in determining whether these third-party
interfaces should be stopped and if the application needs to be updated during the
upgrade.
Complete These Procedures
Pre-Maintenance Window
To save valuable time, complete the pre-maintenance window procedures in this
chapter prior to the beginning of the maintenance window. Depending upon the size
of the system you are upgrading, it should take about 3 or 4 hours to complete the
following procedures:
chapter prior to the beginning of the maintenance window. Depending upon the size
of the system you are upgrading, it should take about 3 or 4 hours to complete the
following procedures:
Verify the Integrity of the CDs (on page 13)
Check Available Disk Space (on page 14)
Run the Doctor Report (on page 15)
Check the EAS Configuration—Pre-Upgrade (on page 16)
Collect Network Information (on page 17)
Back Up the DNCS and Application Server File Systems (on page 19)
Verify DBDS Stability (on page 20)
Back Up the Informix Database (on page 21)
During the Maintenance Window
At the beginning of the maintenance window, you should start with Suspend Billing
and Third-Party Interfaces (on page 22) and complete all of the remaining
procedures in Chapter 2. You should also complete the procedures in Chapter 3
during the same maintenance window.
and Third-Party Interfaces (on page 22) and complete all of the remaining
procedures in Chapter 2. You should also complete the procedures in Chapter 3
during the same maintenance window.