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DMA Operations Guide Backing Up and Restoring
360 Polycom, Inc.
I/O Stats
Use I/O Stats to see CPU resource allocation and read/write statistics for each
server.
To run iostat on each server
>> Go to Maintenance > Troubleshooting Utilities > I/O Stats.
The system displays results of the command for each server.
SAR
Use SAR to see a system activity report for each server.
To run sar on each server
>> Go to Maintenance > Troubleshooting Utilities > SAR.
The system displays results of the command for each server.
See also:
“Management and Maintenance Overview” on page 327
“Recommended Regular Maintenance” on page 329
Backing Up and Restoring
Every night, each Polycom DMA system cluster determines whether its
configuration or local user data have changed. If so, it creates a backup of that
data, plus the audit records as of the time of the backup.
The backup file is for the cluster, but on a two-server cluster, a copy of the
backup exists on each server. This ensures that the backup files are available
even if one of the servers isn’t running.
The cluster keeps the most recent ten backups (deleting the oldest backup file
when a new one is created).
The Polycom DMA system’s Backup and Restore page lets you:
• Manually create a backup of that cluster at any time.
• Download backup files from the cluster for safekeeping.
• Upload backup files to the cluster.
• Restore the system configuration and local user data from a specific
backup file.