Experimental Physics and
Industrial Control System

Maurizio Montis <[email protected]> · Tue, 12 Nov 2013 09:57:06 +0100 (CET)

Hi Ganesh,

for the problem related to PV remote access trought CSS OPI, have you
configured the EPICS_CA_ADDR_LIST variable into the CSS application?

Under Preferences -> CSS Core -> EPICS you find the "CSS"
EPICS_CA_ADDR_LIST.

Hope this helps

- Maurizio

On Nov 11, 2013 09:35 PM, Ganesh Jangir <[email protected]> wrote:

> Dear All,
> 
> I am trying to access PVs between three linux machine through the
> Wired Ethernet and Switch . Each machine have EPICS and CSS installed.
> Firewall is disabled.
> 
> Static IP addresses are 192.168.100.1, 192.168.100.2, 192.168.100.3
> Subnet mask 255.255.255.0 and Gateway 192.168,100,50 is common on all
> machines.
> 
> 
> Made one IOC and one Application on each machine using makeBaseApp.pl.
> PV of each IOC are running well and accessible from CSS OPI at local
> machine.
> 
> But many times I could not access the same PV on another CSS OPI in
> other linux machine over the LAN even with camonitor command. What
> cause this uncertainty.
> 
> I tried with multiple Environment Variable configuration.
> like:
> 
> [GMRT@01HW183138 ~]$ set | grep EPICS
> EPICS_APP=/home/GMRT/Desktop/epics/app
> EPICS_BASE=/home/GMRT/Desktop/epics/base-3.14.12.3
> EPICS_CA_ADDR_LIST=192.168.100.1 192.168.100.2 192.168.100.3
> EPICS_CA_AUTO_ADDR_LIST=NO
> #EPICS_CA_ADDR_LIST=localhost
> EPICS_EXTENSIONS=/home/GMRT/Desktop/epics/extensions
> EPICS_HOST_ARCH=linux-x86_64
> EPICS_IOC=/home/GMRT/Desktop/epics/ioc
> EPICS_ROOT=/home/GMRT/Desktop/epics
> EPICS_SUPPORT=/home/GMRT/Desktop/epics/support
> EPICS_SUPPORT_LOCAL=/home/GMRT/Desktop/epics/support_local
> 
> Could you please tell me what I missing here.Where the role of
> CaClient will come.
> Also please help me with following errors
> 1: CA beacon (sent to "192.168.100.3:5065") error was "Connection
> Refused" and this automatically goes off when I try multiple time.
> 2: CA.Client.Exaception..............................................
> Warning : "Empty PV search address list"
> 3: PV not found... error with "camonitor" command on local machine but
> same PV is working in CSS OPI .
>   Many time this thing goes of when I run camonitor as a root.
> 4: What is Ideal directry in linux to install the EPICS base, where
> all user can use the EPICS base, without going in to root.
> 
> 
> 
> 
> Thanks and Regards
> 
> Ganesh Jangir
> TCS, India
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System