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4-22 Managing BCMS Vu Historical Data

Configuring and Managing the

BCMS Vu

Software

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 83