Cisco Headend System Release 2.5
Chapter 2 DNCS Pre-Upgrade Procedures
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When to Complete These Procedures
Upgrade Process
As you are planning the day of 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 in the planning process to ensure that your system is not
connected to 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.
make arrangements to suspend the billing interface on the night of the upgrade. This
is an important step in the planning process to ensure that your system is not
connected to 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 following procedures in this chapter prior to the
beginning of the maintenance window. Depending upon the size of the system your
are upgrading, it should take about 3 or 4 hours to complete these procedures.
beginning of the maintenance window. Depending upon the size of the system your
are upgrading, it should take about 3 or 4 hours to complete these procedures.
Plan Which Optional Features will be Supported (on page 13)
Verify the Integrity of the CDs (on page 15)
Back Up the Current Modulator Configuration Files (on page 16)
Run the Doctor Report (on page 17)
Examine Mirrored Devices (on page 18)
Verify DBDS Stability (on page 19)
Check the EAS Configuration—Pre-Upgrade (on page 21)
Obtain System Configuration (on page 22)
Check and Remove Sessions (on page 23)
Back Up the DNCS FileSystem and Application Server (on page 24)
Back Up the Informix Database (on page 25)
During the Maintenance Window
Complete the remaining procedures in this chapter, as well as all the procedures of
Chapter 3 during an appropriate maintenance window.
Chapter 3 during an appropriate maintenance window.