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Samanth Reddy chintakuntla (SamanthReddyc6298)
Virtusa

Virtusa
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SamanthReddyc6298 Member since 2015 6 posts
Virtusa
Posted: April 28, 2015
Last activity: April 30, 2015
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Managing High Available Applications

Hi Team

In this course we learnt "Pega qualifies a server as High Availability if it is available for 99.99% of the time. This means that the system should be down for a maximum of 53 minutes over a year. What does the 53 minutes include? This includes any unplanned outages due to a system crash and all planned outages for upgrading the system."

The shared storage in the below image store the rules and data for different vm's/physical machines? or it is the database. If database, lets take an example we have a Hotfix from Pega support where we need might need to bring DB down (specifically).

Do we really need to bring the DB down (incase suggested in a hotfix)/ or do we need to switch to a failover DB? 

In this scenario my application will go down for sometime, if this happens sometimes in a year, the system will not be highly availble enterprise application. Please correct me if my understanding is not correct.

 

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