Sapstartrv is the
core process responsible for starting SAP NetWeaver system and SAP HANA system is no exception to this flow.
HANA system start-up process flow:
During linux
startup(OS boot) , by default it starts the process listed under /etc/init.d ,
our sapstartsrv is part of this process.
Once the
sapstartsrtv is running , it can take command to start or stop the HANA system.
Sapstartsrv can also be used to read log or trace files. SAP HANA studio uses
both sapstartsrv and SQL connection to determine the system status.
When we open the
diagnosis mode in SAP HANA studio, it connects with sapstartsrv to fetch the
log files. Read more about
diagnosis mode at HANA studio in Diagnosis mode.
Sapstartsrv trigger
the startup of HANA daemon process ,this is the process responsible for
starting all HANA core process. HANA daemon starts all the process defined in
HDBdaemon.ini.
HANA core process
includes all process that are visible in HANA studio, the status of these files
are also written in hdbdaemon.status.
The log file for
daemon process in daemon_<hostname>_<port>_<>number
,look for this file on master node.
The HDB daemon
process is also responsible for keeping the core process running. The daemon
process will restart the core process if in case they gets killed.
HANA core process: