Experimental Physics and
Industrial Control System
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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | EPICS_CA_ADDR_LIST and multiple instances of a SoftIOC on Windows |
| From: | Carsten Winkler via Tech-talk <tech-talk at aps.anl.gov> |
| To: | "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov> |
| Date: | Tue, 13 Sep 2022 08:45:39 +0200 |
Hello tech-talkers,I have the following situation. My computer is running MS Windows and several SoftIOCs (EPICS BASE 7.0.6.1). Furthermore, there is a CA gateway in the local network.
Without EPICS environment variables I get the following results: cainfo TestPV:aiExample CA.Client.Exception............................................... Warning: "Identical process variable names on multiple servers"Context: "Channel: "TestPV:aiExample", Connecting to: my_computer.bessy.de:5064, Ignored: ca_gateway.bessy.de:5064" Source File: D:\epics\epics-base-R7.0.6.1\modules\ca\src\client\cac.cpp line 1320
Current Time: Tue Sep 13 2022 08:19:36.713908800 .................................................................. TestPV:aiExample State: connected Host: my_computer.bessy.de:5064 Access: read, write Native data type: DBF_DOUBLE Request type: DBR_DOUBLE Element count: 1 cainfo TestPV:ai1 TestPV:ai1 State: connected Host: my_computer.bessy.de:62425 Access: read, write Native data type: DBF_DOUBLE Request type: DBR_DOUBLE Element count: 1 CA.Client.Exception............................................... Warning: "Identical process variable names on multiple servers"Context: "Channel: "TestPV:ai1", Connecting to: my_computer.bessy.de:62425, Ignored: ca_gateway.bessy.de:62425" Source File: D:\epics\epics-base-R7.0.6.1\modules\ca\src\client\cac.cpp line 1320
Current Time: Tue Sep 13 2022 08:19:27.881409000 ..................................................................Okay, lets fix the issue "Identical process variable names on multiple servers".
set EPICS_CA_ADDR_LIST=ca_gateway.bessy.de set EPICS_CA_AUTO_ADDR_LIST=NO Now I get following results: cainfo TestPV:aiExample TestPV:aiExample State: connected Host: ca_gateway.bessy.de:5064 Access: read, write Native data type: DBF_DOUBLE Request type: DBR_DOUBLE Element count: 1 cainfo TestPV:ai1 Channel connect timed out: 'TestPV:ai1' not found.Obviously the variables from the second SoftIOC with port 62425 are not found anymore. I have the same problem when I enter the address of the client computer in the EPICS_CA_ADDR_LIST.
How do I solve this problem? Cheers, Carsten
Attachment:
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Description: S/MIME Cryptographic Signature
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