How many messages files do you have?
I have seen where too many message files in Aim* Historian cause this.
From GCS knowledgebase:
Solution
Unable to access alarm history on Alarm History Display (AHD)
September 24, 2008
Problem Description
Unable to call up Alarm History Display (AHD) from Current Alarm Display (CAD).
Get the following message "unable to access alarm history for hist01 on
A1AW01'' or " Too many historian alarms in database <histname> on <wsname>.
Please archive your database
The AIM*API calls may timeout if there are too many alarms and return an error
with no data to the AM. The AM displays the above message instructing you to
archive.
Fix/Resolution
Ref to v8.2 release note B0700RN rev C sec 8.9.6 talk about issue with alarm
history. The solution describe in this release note and can also apply on your
current v8.0 is to archive the message file in the historian database. Can
have up to 180 message (m###.fdb file) in your /opt/aim/inst/histname
directory. Ref to historian user guide to use manual archiver and then setup
auto archiver. Q0302BR
Steps to resolve your alarm history issue.
In /opt/aim/inst/histname
m*.fdb is for all message file, meaning these are the alarm history
r*.fdb for sample file, meaning these are the measurement value
Ref to AIM historian user guide in AIM 3.2.3 suite CD Q0302BR
Use manual achiver and copy and delete m*.fdb file to ANY OTHER DIRECTORY
beside /opt/aim/inst/histname, /opt/aim/pbk or any directory define in DBPATH
(use histcfg >select instance cfg to check). Only leave up to 180 m*.fdb in
the /opt/aim/inst/histname directory.
When above steps are done, go to /opt/aim/bin and run " xrebuild histname 4 "
......select ' Y ' to commit the system.
Re-launch alarm history, and alarm should appear.
When the issue is resolve, setup auto-achiver on the message file. This will
copy and delete you message file base on the schedule date and time.
Hope this helps.
Ed
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of Ali Ahmed Zahidi
Sent: Friday, January 30, 2009 10:07 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Unable to access Alarm History
Hi All,I am unable to access alarm history in Alarm History Display (AHD) of
alarm manager on Windows XP based P92 stations. I am getting the following
message when AHD is invoked "Unable to access alarm history for hist01 on
01AW02"
We are using AIM*Historian for historical data collection. I have checked the
historian instance hist01 for proper function. It is running properly. If
anyone have some idea to solve this problem, please share.
Rgds,
Ali
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