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3580782 - Secondary HANA Database Fails to Start After OS Patching

Symptom

  • After OS patching, the secondary HANA database does not start properly.
  • The secondary database does not start properly after reboot.
  • The 'HDB start' command gets stuck and does not complete.
  • Error messages in trace files indicate issues with nameserver communication and connection refusal, for example:
e TrexNet          Responder.cpp(00579) : can't listen on port <IP Address>:4##06: (host unknown)
details: Internal Error Details: exception  1: no.2110008  (Basis/IO/Stream/impl/NetworkChannel.cpp:1159) TID: 34619
    Error address in use: $msg$, rc=98: Address already in use; $[1]$=NetworkChannelBase::bindLocal. bind failed; $Context$=[971ee1c100fc82ee,<IP Address>:4##06
..
f TrexNet          Responder.cpp(00907) : exception during change of listen configuration, connectivity might be lost, restart system: exception  1: no.2111000  (TrexNet/Responder.cpp:847) TID: 34619
    Generic TrexNet runtime error; $INFO$=not all listeners could be started


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Environment

SAP HANA High Availability (System Replication, DR, etc.)

Product

SAP HANA, platform edition 2.0

Keywords

SAP HANA, Secondary Database, OS Patching, System Replication, Communication Error, Connection Refused, HDB start, Port Configuration. , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem

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