Using the MIB Poller Tools
EPICenter Concepts and Solutions Guide
137
An archiving check is performed once an hour. If you need to store additional historical data beyond
the two 30 MB file limit for events and the 6 MB file limit for alarms, you can periodically make backup
copies of the archive files to a separate location. Refer to Appendix C, “EPICenter Backup” in the
EPICenter Reference Guide for more information about alarm log backups.
Using the MIB Poller Tools
The MIB Poller Tools, found in the Reports module, can be used to collect and inspect data from any
MIB variables supported by the devices on your network. These tools allow you to retrieve data that is
not available through EPICenter’s reports or other status displays, and to accumulate historical data for
MIB variables of interest. The collected data can then be exported as a comma-separated text file which
can be imported into another application such as a spreadsheet for analysis.
You must have an Administrator role to set up and initiate MIB collection or query actions, However,
users with other roles can view the results of a collection that has been initiated by an Administrator.
There are two separate tool available for retrieving MIB variable data:
● The MIB Poller Summary displays a MIB collection, or allows an Administrator to load a MIB
collection XML file to initiate MIB collection activity. A MIB collection is a historical log of MIB
values as defined in the collections
.xml file. In a running collection, EPICenter polls specified
devices, retrieves the values of specified MIB variables and saves them in the EPICenter database.
The OIDs and devices to be polled, the poll interval, number of polling cycles and the amount of
polled data to be stored is all defined in the Administrator-created
collections.xml file.
● The MIB Query tool allows an Administrator to create a one-time MIB query request to retrieve the
value of specific variables from a set of specified devices. This is a one-shot query, and does not poll
repeatedly or store the data it retrieves.
The MIB Query tool is accessible only to users who have an Administrator role.
Defining a MIB Collection
A MIB Collection is defined in an XML file named collections.xml that is stored in the EPICenter
user/collections directory of the EPICenter installation. You can specify both scalar and tabular
OIDs. You must also specify the set of devices (by IP address) that should be polled for this data, and
provide some additional properties such as the polling interval.
The
collections.xml file must have the following format:
<?xml version="1.0" encoding="utf-8" ?>
<collections>
<collection name="CollectionName"
pollingIntervalInSecs="60"
initialState="running"
saveData="yes"
maxPollsPerDevice="50"
deletePercentage="25">
<table>
<oid name="variableName1" dataLabel="Label/description" />
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