3654983 - LNX: SAP work process restarted due to "Protocol not available" error

• Huge amount of SAP work processes restart during Application server startup.
  
  
• The issue is resolved itself after some time being.
  
  
• dev_w* (SAP work process trace)
  
  C  *** ERROR => Connect to database failed, rc=1, rcSQL=-10709
  C  SQLCODE    : -10709
  C  SQLERRTEXT : Connection failed (System call 'connect' failed, rc=92:Protocol not available {<ip address>:<port>}  
  B  ***LOG BV3=> severe db error -10709; work process is stopped  
  B  ***LOG BY2=> sql error -10709 performing CON 

Note:
This KBA is only valid if the "Protocol not available" error is found in the work process trace. Do not apply for other scenarios.

• SAP Netweaver system with Linux server
• Cloud environment
• HANA database 

rc=92, Protocol not available , KBA , BC-OP-LNX-SUSE , SUSE Linux , HAN-DB-CLI , SAP HANA Clients (JDBC, ODBC) , BC-OP-LNX-RH , Red Hat Linux , Problem