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Cloudera Manager reinstallation and manage existing cluster

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Rising Star

Hi everyone,

Let say my existing Cloudera manager is managing a 10 node cluster. What happen if my cloudera manager server is down?(my cloudera management service is on diffrerent server and I'm using external database for the setup). 

 

Can I immediately setup a new server, reinstall cloudera manager here, and manage the existing cluster without too much effort on the configuration and setup? I'm worried about the TLS setting, keberos setting,etc. Can it be preserve and work the way it was before the cloudera manager is replaced

 

I believe the data in the HDFS should be safe right? 

 

Thanks

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Rising Star

Thanks @GangWar . Thats mean, if my CM Database resides outside of the CM server itself and it is working fine, I can skip the restoring old CM DB part right?I just need to install new CM and point it to the existing CM DB using the installation wizard correct?

 

But for the old monitoring data part,I believe my old monitoring data might be available since my cm management services data is still available in another server. Isn't that the case?

 

Thanks

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Master Guru

@muslihuddin Yes, that's right. 


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Rising Star

Alright.

THanks man