You try start SAP instance and receive below error:
starting SAP Instance ASCSxx Startup-Log is written to /home/xxxadm/startsap_ASCSxx.log /usr/sap/XXX/ASCSxx/exe/sapcontrol -prot NI_HTTP -nr xx -function Start startup of Instance failed See /home/xxxadm/startsap_ASCSxx.log for details
/usr/sap/XXX/ASCSxx/exe/sapcontrol -prot NI_HTTP -nr xx -function Start