If the UNIX agent is unable to connect to a collector, it spools the session data to local storage. When a collector becomes available, it then sends the spooled data to that collector.
By default, the minimum amount of allocated disk space that must be available to the offline database before spooling stops and warnings are posted to the agent error log is 10%. You can change this percentage by assigning a different value to
spool.diskspace.min in the
/etc/centrifyda/centrifyda.conf file. For example, to change the minimum to 15%, set the following value: