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Sensors showing as "Unplugged" after DCE appliance reboot.

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Sensors showing as "Unplugged" after DCE appliance reboot.

This question was originally posted on DCIM Support by John Wieczorek on 2019-08-23


I rebooted the  DCE appliance after it started sending repeat email  for a single alarm, as documented here: https://www.schneider-electric.com/en/faqs/FA239225/

After the reboot many sensors are showing as unplugged.

The last time I saw something like this is was during an upgrade when some DDFs were changed to be more compatible with DCO.

Is it possible that DCE updated it's DDFs on reboot?


(CID:148342521)


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Re: Sensors showing as "Unplugged" after DCE appliance reboot.

This answer was originally posted on DCIM Support by Steven Marchetti on 2019-08-23


Hi John,

DCE won't update it's DDFs unless you:

1: Upgrade the server.

2: Import DDFs manually.

3: Import over the internet.

 

I have seen instances where partial communications issues can cause sensors to report unplugged but the device as a whole stays on-line. If it were something like the DDF upgrade you mentioned, you should see some sensors off-line and others on-line. You would also see duplicates of the off-line sensors (or most of them).

Are all devices reporting sensor issues? If only some, are they all similar models or device types?

The issue you're speaking of with DDF updates on upgrade is also some time ago. I'm not aware of recent issues of this type except possibly with manual updates of 3rd party DDFs.

There is a possibility that there's an issue with the DDF(s) that are used to monitor the device, you could always look to update them or possibly upgrade DCE itself. If you've been running the server for 500+ days as noted in the k-base you linked, you're likely not on the most recent version.

 

Thanks,

Steve

(CID:148342532)

See Answer In Context

5 Replies 5
DCIM_Support
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Re: Sensors showing as "Unplugged" after DCE appliance reboot.

This answer was originally posted on DCIM Support by Steven Marchetti on 2019-08-23


Hi John,

DCE won't update it's DDFs unless you:

1: Upgrade the server.

2: Import DDFs manually.

3: Import over the internet.

 

I have seen instances where partial communications issues can cause sensors to report unplugged but the device as a whole stays on-line. If it were something like the DDF upgrade you mentioned, you should see some sensors off-line and others on-line. You would also see duplicates of the off-line sensors (or most of them).

Are all devices reporting sensor issues? If only some, are they all similar models or device types?

The issue you're speaking of with DDF updates on upgrade is also some time ago. I'm not aware of recent issues of this type except possibly with manual updates of 3rd party DDFs.

There is a possibility that there's an issue with the DDF(s) that are used to monitor the device, you could always look to update them or possibly upgrade DCE itself. If you've been running the server for 500+ days as noted in the k-base you linked, you're likely not on the most recent version.

 

Thanks,

Steve

(CID:148342532)

DCIM_Support
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Re: Sensors showing as "Unplugged" after DCE appliance reboot.

This comment was originally posted on DCIM Support by John Wieczorek on 2019-08-23


Thanks Steve.

I'm seeing it only with our Eaton PDUs. (we're using modbus with these)
The various power sensors are reporting as expected but display names and other identifying information are showing as unplugged.
Strangely this behavior is inconsistent across PDUs; i.e. on one PDU a sensor reports a value as expected and on another it shows as unplugged.
The devices themselves are reporting any sensor issues.

I plan to upgrade to the latest version soon, but was hoping to resolve these issue before hand.

(CID:148344003)

DCIM_Support
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Re: Sensors showing as "Unplugged" after DCE appliance reboot.

This comment was originally posted on DCIM Support by Steven Marchetti on 2019-08-23


Hi John,

For a test, maybe try rebooting one of the effected network cards. Maybe re-run a discovery on the device (not delete it unless you don't care about old data) just re-run the discovery ads I have seen that correct some comm issues in the past. 

If it's numerous devices on the same gateway, perhaps rebooting the gateway might help. 

You might even want to reboot the DCE again. 

Sorry I don't have a specific fix for this but it'll take some troubleshooting.

 

Steve

(CID:148343999)

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Re: Sensors showing as "Unplugged" after DCE appliance reboot.

This comment was originally posted on DCIM Support by John Wieczorek on 2019-08-23


Rebooting the NIC cards on the devices seems to work. Thanks for the advice.

(CID:148344006)

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🔒 Closed

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