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Chapter 3 Optimize Your System Performance for Downloads and Staging
Overview
Before you stage devices on your system, it is imperative that you have a healthy
system. If you do not have a healthy system, the installation process could fail and
disrupt service to your subscribers. We strongly recommend that you follow the
procedures in this chapter to maximize your DBDS efficiency before you begin
staging DHCTs.
This chapter includes the steps you need to take to perform the following
procedures:
Removing unnecessary files from your BFS
Verifying the DNCS settings for the CableCARD server
Turning off inband system information
Configuring a default download image
Deleting unused DHCT types
Deleting unused DHCT software
Cleaning up the ResApp directory
Verifying and cleaning up the download directory
Changing the data carousel rates
This chapter also includes the recommended frequencies for CVT downloads. Using
the frequencies in this chapter vastly improves the speed and performance of the
initial staging process.
How Do I Manage the Files on My System?
It is important to keep only the currently active client code loaded on your DNCS.
When you upgrade, you should have both the old version of code and the new
version loaded onto your system at the same time (while you test the new code).
This is encouraged and does not pose a significant problem; it should not increase
download times significantly.
After you test a new release and configure all devices to use the new software, we
recommend that you aggressively manage your system to keep unused and
unneeded files off your system. Following the procedures for loading software that
are included in this guide will help you keep unneeded files off of your system.
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