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  • >> Go to dataminer.services

What should we check after DMA restart?

Solved956 views12th July 2023architeture dma_restoration
3
Bruno Sousa [DevOps Member]669 15th September 2022 0 Comments

Hello,

After a DMA restart (because of a windows update, for example) what should we check in the system to make sure he is completely available? (services, logs..)

Is there any documentation on the subject that you can provide?

Thank you.

Best regards

Bruno Sousaa

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 12th July 2023

2 Answers

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Miguel Obregon [SLC] [DevOps Catalyst]18.56K Posted 15th September 2022 0 Comments

Hi Bruno,

As far as I know there is no specific documentation that covers a DataMiner restart, however you could use as reference the following MOP:

DataMiner Agent Sanity Check

This document (together with the recommendations from other members of the community) can give you a baseline about what to check after restarting the DMA. On top of that, you will probably need to add extra checks specific to your integration.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 12th July 2023
1
Gellynck Jens [SLC]2.71K Posted 15th September 2022 2 Comments

Hi Bruno,

From the top of my head:

  1. Verify there are no (new) errors or notices in the alarm console
  2. Verify all (critical) elements, services, and redundancy groups are available and active in the surveyor.
  3. Verify the critical elements are successfully polling data (e.g. by opening the trending, confirming parameter updates or looking at the streamviewer). It could also be good to check the element logging for no (new) errors.
  4. If this is a cluster, verify in System Center > Agents that all agents are running.
  5. If this is a failover system, verify failover status (right click the agent name) is green.
  6. Verify the SLWatchdog2.txt log file does not contain any RTE's (Run-Time Errors), they will only appear after 15 minutes or more.

Other than this you can verify the most commonly used apps (e.g. booking manager, resources,... are working as expected). But this will heavily depend on your system.

Alberto De Luca [DevOps Enabler] Edited comment 15th September 2022
Kevin Vermeulen [SLC] [DevOps Member] commented 15th September 2022

SLErrors.txt is besides SLWatchdog2.txt a good place to look at.

Alberto De Luca [DevOps Enabler] commented 15th September 2022

Good list – I’d include a check of the Microsoft Element polling the restarted DMA: in production environments, it’s worth monitoring a few key processes (e.g. the SL* ones) and keep an eye on the trends for server KPIs, such as CPU, VM size and similar (it usually helps to have a view with all the DMAs to aggregate the relevant info).

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