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Data storage issues – Rockwell Automation 1756-HIST2G FactoryTalk Historian ME 2.2  User Manual

Page 302

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F

ACTORY

T

ALK

H

ISTORIAN

ME M

ODULE

U

SER

G

UIDE

292

H

IGH

S

PEED

T

REND

P

ACE

E

RROR

If the message “[ERROR] Unable to keep pace with High Speed Trend causing data
loss” message is logged in the System Log page, potential data loss may occur. Due
to performance issues with the controller, the backplane or the module, the module
cannot receive new high-speed events from the controller. To mitigate the impact,
stop and restart Data Collection .

Data Storage Issues

This section contains information that may help you troubleshoot FactoryTalk
Historian ME data storage.

The module receives a
high-speed event with
a timestamp 10
minutes into the future,
discards that event,
and logs the following
error message into the
system log:
[ERROR]
TagProcessingForPoll
edAndAdvised()
dropped future event
for point<ID> with
<timestamp> with
timeDelta=<number of
seconds into future
>.

„

Check the controller time.

„

Ensure that the controller time is correct.

For any issue, follow the guidelines provided in the “General Guidelines” section of this
appendix.

Data Collection

Symptom

Solution

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