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ADMINISTRATOR SECTION CHAPTER 2: CONFIGURING THE ER SERVER
68 8E6 TECHNOLOGIES, ENTERPRISE REPORTER ADMINISTRATOR USER GUIDE
• Expire - pertains to the action of dropping data from the
Server when there is no room left on the hard drive for
additional storage. When the hard drive reaches its
maximum data storage capacity, indexes from the oldest
week of data stored on the Server are dropped, or
“expired” from the Server. Thereafter, when more space
is needed on the Server, the oldest week of non-indexed
data “expires.”
Expiration Rules
The administrator of the Server specifies the number of
weeks of data that will be stored on the Server, based on the
storage capacity of the hard drive, and the number of hits on
the Server. After inputting the percentage of live data to be
stored, the Server translates that figure into the equivalent
of weekly time periods for live and/or archive data storage.
When the Server reaches the maximum number of weeks
allocated for live data storage, the oldest week of live data
stored on the Server attains an archive data status. In
attaining an archive data status, the index for that week of
data is dropped from the database tables.
When the Server reaches its maximum number of weeks
allocated for archive data storage, the oldest week of non-
indexed data stored on the Server is automatically dropped
(expired) from the database.
Once data expires, it cannot be recovered.