2071305 - HDB Start fails with NIECONN_REFUSED

• On  running HDB start, the following errors are seen:
• FAIL: Timeout
  Starting instance using: /usr/sap/<SID>/SYS/exe/hdb/sapcontrol -prot
  NI_HTTP -nr 10 -function StartWait 2700 2
  Start
  FAIL: NIECONN_REFUSED (Connection refused), NiRawConnect failed in plugin_fopen()
• OS process list command ps -efH | grep sapstart does NOT return evidence of sapstartservice running
• The SAPHOSTAGENT trace file contains entries similar to these:
• [Thr 140274172008224] *** ERROR => Connection of channel 10 failed [ServerChanne 67]
• [Thr 140274172008224] *** ERROR => Setup of too many communication channels failed. Giving up. [ServerChanne 98]
• [Thr 140274172008224] *** ERROR => Channel Accept failed [HostExecServ 242]
• [Thr 140274172008224] *** ERROR => Start of HostService failed
• By executing the following command ls -lad /tmp, it can be seen that write permissions are not available for users other than root.
• Example output: drwxr-xr-- 52 root root 20480 Timestamp /tmp

HANA on Linux.

sapstream, sapstartsrv, saphostagent, system down, HDB start , KBA , HAN-DB , SAP HANA Database , Problem