Log in as an administrator with permission to change the configuration.
Stop Calendar Server services by issuing the stop-cal command.
At a command line, change to the directory where the ics.conf is located:
Enable archive backups by setting the following ics.conf parameter to “yes”:
Specify the directory path for the archive directory:
You might choose to place the archive backups on an alternate disk or disk subsystem in case of a hardware failure on the primary disk drive. Doing this might also reduce I/O contention on the primary drive or subsystem.
If you have a high availability (HA) configuration, specify the path as a subdirectory in shared storage (/global/cal/). See also, Chapter 6, Configuring Calendar Server 6.3 Software for High Availability (Failover Service).
When you have completed editing the ics.conf file, restart Calendar Server:
The calendar services do not need to be stopped to edit the ics.conf file, but you must restart the services in order for the changes to take effect.