Cisco Headend System Release 2.7 安装指南
Chapter 1 Preparing to Install the Software
10
4026031 Rev B
Stop System Components
Before installing the software, use the procedures in this section to stop system
components in the proper order. Failing to stop system components in the order
described in this section may cause you to encounter difficulties during the
installation.
components in the proper order. Failing to stop system components in the order
described in this section may cause you to encounter difficulties during the
installation.
Important: System components must be stopped prior to installing SARA Server
software.
software.
Stopping System Components
To stop system components, follow this process:
Note: Detailed instructions for each task shown here are provided later in this
section.
1 If your system uses the Regional Control System (RCS) option, stop the Remote
section.
1 If your system uses the Regional Control System (RCS) option, stop the Remote
Network Control Server (RNCS) processes at each site in your RCS.
Note: The RCS feature is available with SR 2.5/SR 3.5 and later.
Note: The RCS feature is available with SR 2.5/SR 3.5 and later.
2 Stop the Spectrum Network Management Service (NMS).
3 Stop SARA Server cron jobs and processes.
4 Stop DNCS cron jobs and processes.
5 Ensure no active database sessions are on the DNCS.
3 Stop SARA Server cron jobs and processes.
4 Stop DNCS cron jobs and processes.
5 Ensure no active database sessions are on the DNCS.
Stopping RNCS Processes
If your system uses the RCS feature, use one of the following methods to stop RNCS
processes at each remote site in your RCS:
processes at each remote site in your RCS:
Use the siteControl command to stop RNCS processes at each site in your
system, one site at a time. Go to Stopping RNCS Processes at One Site
(on page 12).
system, one site at a time. Go to Stopping RNCS Processes at One Site
(on page 12).
Use the siteCmd command to stop RNCS processes at all sites in your system. Go
to Stopping RNCS Processes at All Sites (on page 12).
to Stopping RNCS Processes at All Sites (on page 12).
Note: If you are unsure whether or not the RCS feature is enabled, use the
licenseAud utility to verify the status of this option. For assistance, go to
Determining Whether RCS Is Enabled (on page 11).
licenseAud utility to verify the status of this option. For assistance, go to
Determining Whether RCS Is Enabled (on page 11).
CAUTION:
When RNCS processes are stopped, two-way communication also stops at this
site. This site will not be able to offer any PPV, VOD, other on-demand
services, or other third-party applications during this time. In addition, this
site will provide only limited IPG functionality, and you will be unable to
stage DHCTs or update modulator /demodulator code.
site. This site will not be able to offer any PPV, VOD, other on-demand
services, or other third-party applications during this time. In addition, this
site will provide only limited IPG functionality, and you will be unable to
stage DHCTs or update modulator /demodulator code.