Ras Function - Toshiba TC-net Instruction Manual

10. RAS function

10.1 RAS function
This chapter describes the RAS function of OPC Server.
* RAS function added in V01.60
 Diagnosis of each task of OPC server
Each task (TCnetOPCSvr.exe, OpcDualMng.exe, TCnetScanCtrl.exe, OpcToolIfSvr.exe) of
OPC server update a healthy counter.
OPC Server Monitor the healthy counter which each task updates.
OPC Server judge that the task became abnormal when detect a stop of a healthy counter,
and change the states of OPC Server to DOWN mode.
About a change way of this diagnosis time, please refer to 7.1 How to set the environment
for OPC Server "Change of diagnosis time of each task of an OPC server".
 Quantity of memory use of OPC server
OPC Server V01.60 Add current value and average value of quantity of memory use of OPC
server to an item of OPC.
In current value, the value that got quantity of memory use of OPC server process by a period
for five seconds is set.
In average value, the value that calculated moving average of 120 samples of a value (for 10
minutes) is set.
Quantity of memory use of OPC server becomes a value the same as "Private Bytes" of
"Performance Monitor", not a value displayed by "Process" list of "Task Manager".
 RAS function of TC-net
OPC server uses RAS function of TC-net100(JTNI PCI Express Card) or TC-net1G (JTGI),
and does the following actions.
(1) Request to stop of the scan transmission of other station
This is a function when used TC-net1G (JTGI).
When parent node does not release talker blocks when own node tried a switchover to
BUCKUP mode, OPC Server require JTGI of parent node to stop the scan transmission.
When parent node detects scan stop, dual states switch over to PRE-ONLINE mode. JTGI
of parent node release talker blocks. Default setting of this function is enabled.
About a way to disable this function, please refer to 7.1 How to set the environment for
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