You are seeing that the HANA takeover is very slow and hanging.
And from the indexserver trace of secondary site, you did not see any related trace and it is not even writing any log to the indexserver trace.
All HANA revisions
System Replication, Hang, Hanging, Stuck, High CPU, Not response, Failover , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , How To
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