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WinCC 7 SP1- Redundacy Option

Created by: FranzMi at: 2/9/2011 6:06 PM (15 Replies)

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2/9/2011 6:06 PM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	Hello, I have a redundant WinCC project with Windows server 2003 and WinCC version 7 SP1. sometimes after a reboot of one servers, before of data syncronization, I have in alarm logging double event on server that it was online. Somebody can help me??
	Last edited by: FranzMi at: 2/9/2011 6:08 PM
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2/9/2011 9:08 PM	Rate (0)
Jaapie Gold Member Joined: 1/17/2006 Last visit: 7/19/2024 Posts: 800 Rating: (63)	So after synchronizing everything is ok again? Where shows the double alarm, on the client? What is the exact alarmmessage or what is the alarmnumber? Lot of questions, just to solve the problem ;-)

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2/10/2011 2:13 PM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	Hi, after sincronization the alarm message are double on all two server.I have only two server,not client. The number of alarm is not important,all messages are double. thanks Attachment HMI1 MASTER INIZIO PROVA.JPG (135 Downloads)

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2/11/2011 7:42 AM	Rate (0)
Jaapie Gold Member Joined: 1/17/2006 Last visit: 7/19/2024 Posts: 800 Rating: (63)	It's strange. Can you post a picture of your Redundancy settings (both servers must be the same!)? So open wincc and open Redundancy settings. Did you check if only one server is master? I was also thinking about timesynchronisation. I think it can not cause this but maybe it does? Jaap

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2/11/2011 7:49 AM	Rate (0)
efka Posts: 799 Rating: (43)	Jaapie Did you check if only one server is master? This also occured to me while reading the last post. You should really check this. regards
efka Posts: 799 Rating: (43)
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2/11/2011 10:44 AM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	In attached file you can see the redundancy configuration ofHMI1 server. All two servers are syncronized via ntp protocol and is ok Attachment RedundancyHMI1.JPG (146 Downloads)

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2/11/2011 10:45 AM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	In attached file you can see the redundancy configuration ofHMI2 server. Attachment RedundancyHMI2.JPG (130 Downloads)

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2/11/2011 10:46 AM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	The strange thing is not always i have double event, sometimes it is ok

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2/11/2011 11:11 AM	Rate (0)
efka Posts: 799 Rating: (43)	Have you checked, if one station is master and one station is standby? (you should do this, when the error occurs.) You can check this with the internal tag @redundand_server_state. If the tag is 1 the Server is master, if the tag is 2 the server is standby. best regards
efka Posts: 799 Rating: (43)
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2/14/2011 1:33 PM	Rate (0)
FranzMi Regular Member Joined: 2/19/2009 Last visit: 2/16/2011 Posts: 22 Rating: (0)	Yes I have controlled and all is OK...one Master and one Standby

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