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Polycom CMA System Operations Guide
522 Polycom, Inc.
• Upgrading the system when upgrades/patches are made available. See
“Update the Polycom CMA System Software” on page 445.
Administrative Best Practices
The following are some of our recommendations for administrative best
practices:
• Perform the recommended regular maintenance.
• Except in emergencies or when instructed to by Polycom Global Services
personnel, don’t reconfigure, install an upgrade, or restore a backup when
there are active conferences on the system. Many of these operations will
require a system restart to complete, which will result in conferences being
dropped.
• Before you reconfigure, install an upgrade, or restore a backup, manually
create a new backup of the system settings. Then download and archive
this backup in the event that something unforeseen occurs and it becomes
necessary to restore the system to a known good state.
• For proper name resolution and smooth network operations, configure at
least one DNS server in your network configuration, and preferably two
or more. This allows the CMA system to function properly in the event of
a single external DNS failure.
• Configure at least one NTP server in your time configuration and
preferably two or more. Proper time management helps ensure that your
cluster operates efficiently and helps in diagnosing any issues that may
arise in the future. Proper system time is also essential for accurate audit
and CDR data.
Auditor Responsibilities
As a CMA system auditor, you’re responsible for managing the system’s
logging and history retention. You should be familiar with the following
configurations and operations:
• Configuring logging for the system. These settings affect the number and
the contents of the log archives available for download from the system.
Polycom Global Services personnel may ask you to adjust the logging
configuration and/or download and send them logs.
• Configuring history retention levels for the system. These settings affect
how much system activity history is retained on the system and available
for download as CDRs.