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Managing BCMS Vu Historical Data 4-23

Configuring and Managing the BCMS Vu Software

Chapter 4

How the DEFINITY System Stores Data 4

The DEFINITY system stores interval data for only 24 intervals (12 hours of half-

hour intervals and 24 hours of hour intervals), and daily data for only seven days. In

order to save data for longer periods, you must download it before it is deleted from

the DEFINITY system.

Using the Server, you download the data to the hard disk where the database

destination location has been defined. You can perform the download immediately,

or you can schedule it to take place later on a regular basis.

When you schedule downloads to take place on a regular basis, you choose how

frequently the downloads occur. You can specify that they occur as often as every

hour, or as infrequently as every twenty-four hours. Remember, however, that the

intervals you choose for downloading data from the DEFINITY system are not

necessarily the same as the intervals at which data is stored on the DEFINITY

system. Be sure that you download data often enough so that none is lost. For

example, if the DEFINITY system saves interval data every half-hour, you should

download interval data at least every twelve hours (24 intervals) to make sure none

is lost.

Backing up the Historical Database 4

If you want to perform periodic archives of the historical database to keep its size

reduced, do the following:

1. In the database directory, select the file histdb.mdb.

2. Copy the file to another location. For security, you may want to keep a copy on

a different external disk.

3. In the database directory, copy the file empty.mdb to the database directory.

4. Rename the copy of empty.mdb file to histdb.mdb.

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Avaya R2 Betriebsanweisung Seite 87