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Polycom DMA 7000 System Operations Guide

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<strong>DMA</strong> <strong>Operations</strong> <strong>Guide</strong><br />

Administrative Best Practices<br />

• Using the system tools provided to aid with system and network<br />

diagnostics, monitoring, and troubleshooting. See “Tools” on page 3-6.<br />

Should the need arise, <strong>Polycom</strong> Global Services personnel may ask you to<br />

run these tools.<br />

• Upgrading the system when upgrades/patches are made available. See<br />

“Upgrading” on page 3-12.<br />

• Configuring the system logging. See “Logging Configuration” on<br />

page 8-8. These settings affect the number and the contents of the log<br />

archives available for download from the system. See “<strong>System</strong> Logs” on<br />

page 6-1. <strong>Polycom</strong> Global Services personnel may ask you to adjust the<br />

logging configuration and/or download and send them logs.<br />

The following are some of our recommendations for administrative best<br />

practices:<br />

• Perform the recommended regular maintenance.<br />

• Except in emergencies or when instructed to by <strong>Polycom</strong> Global Services<br />

personnel, don’t reconfigure, install an upgrade, or restore a backup when<br />

there are active calls and conferences on the system. Many of these<br />

operations will require a system restart to complete, which will result in<br />

these calls and conferences being dropped. Before performing these<br />

operations, busy out all MCUs and wait for all conferencing activity to<br />

cease.<br />

• Before you reconfigure, install an upgrade, or restore a backup, manually<br />

create a new backup. Then download and archive this backup in the event<br />

that something unforeseen occurs and it becomes necessary to restore the<br />

system to a known good state.<br />

• For proper name resolution and smooth network operations, configure at<br />

least one DNS server in your network configuration (see “Network” on<br />

page 8-1), and preferably two or more. This allows the <strong>Polycom</strong> <strong>DMA</strong><br />

system to function properly in the event of a single external DNS failure.<br />

• Configure at least one NTP server in your time configuration (see “<strong>System</strong><br />

Time” on page 8-2) and preferably two or more. Proper time management<br />

helps ensure that your cluster operates efficiently and helps in diagnosing<br />

any issues that may arise in the future. Proper system time is also essential<br />

for accurate audit and CDR data.<br />

• Unless otherwise instructed by <strong>Polycom</strong> Global Services, configure<br />

logging at the production level with a rolling frequency of every day and<br />

a retention period of 60 days. If hard drive space becomes an issue,<br />

decrease the retention period incrementally until the disk space issue is<br />

resolved.<br />

• Unless otherwise instructed by <strong>Polycom</strong> Global Services or to change the<br />

default root password after installation, always use the Maximum<br />

Security setting. See “Security Configuration” on page 9-9.<br />

3–2 <strong>Polycom</strong>, Inc.

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