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<== Date ==> | <== Thread ==> |
---|
Subject: | Re: Receiving duplicate monitor values using CA PV Gateway |
From: | William Layne via Tech-talk <[email protected]> |
To: | "Jemian, Pete R." <[email protected]> |
Cc: | [email protected] |
Date: | Wed, 29 May 2019 17:14:54 -0400 |
Does your workstation have two active network interfaces?
Some modern Linux distributions install with a hypervisor that runs the
Linux OS as a guest to that hypervisor. The hypervisor has a management
network interface and the linux OS has a separate one. Each are on the
same physical network connection.
On 2019-05-29 3:28 PM, William Layne via Tech-talk wrote:
> Hey all,
>
> We are seeing duplicate values when first creating our subscriptions
> through the CA Gateway. Is this normal? If not, does anyone know what
> might be causing it?
>
> Note: We are on EPICS V3.14.12.8 and Gateway 2.1.0
>
> We see this in our applications and in tools such as camonitor. Here is
> an example output from camonitor, for a heartbeat PV updating every second:
>
> $ camonitor IOC1_HEARTBEAT
> IOC1_HEARTBEAT 2019-05-29 20:19:51.038659 7651
> IOC1_HEARTBEAT 2019-05-29 20:19:51.038659 7651
> IOC1_HEARTBEAT 2019-05-29 20:19:52.038654 7652
> IOC1_HEARTBEAT 2019-05-29 20:19:53.038657 7653
> ^C
>
> Thanks,
> William 'Casey' Layne
>
>
>
--
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Pete R. Jemian, Ph.D. <[email protected]>
Beam line Controls and Data Acquisition (BC, aka BCDA)
Advanced Photon Source, Argonne National Laboratory
Argonne, IL 60439 630 - 252 - 3189
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Education is the one thing for which people
are willing to pay yet not receive.
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