High Availability - My Testing Experience

[muthuram_shanmugavel2]

We already know HANA High Availability Concept.

I wanted to test this HANA High Availability feature in My Landscape practically and I completed the testing successfully.

I would like to share this Testing experience.

HANA Landscape:

It is 3 Node Scale-Out HANA Landscape.

Node-1:     240f1d253      Master

Node-2:     5d67d765b    Slave

Node-3:     89a40ea9a     Standby       

Now all the 3 nodes are running fine.

Assume The Slave Node - 5d67d765b was getting crashed.

(For Testing Scenario, I manually stopped Slave node - 5d67d765b using HDB STOP operation)

What happened Next  ???

Immediately Stand by node - 89a40ea9a  took over the Slave node role and

Slave node - 5d67d765b changed as standby.

After few seconds, Stand by node - 5d67d765b back to running status automatically.

I hope this blog might be helpful for you to understand the High Availability feature practically :smile:

Best Regards,

Muthu