FAIL: NIECONN_REFUSED (Connection refused), NiRawConnect failed in plugin_fopen(0

hec01v039747:vo0adm 31> pwd

/sapmnt/VO0/exe/uc/linuxx86_64

 sapstartsrv pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs -D

 pf -ef | grep -i sap

CORRECT>ps -ef | grep -i sap (y|n|e|a)? yes

root      1617     1  0 Sep13 ?        00:01:35 /usr/sap/hostctrl/exe/saphostexec pf=/usr/sap/hostctrl/exe/host_profile

sapadm    1662     1  0 Sep13 ?        00:08:14 /usr/sap/hostctrl/exe/sapstartsrv pf=/usr/sap/hostctrl/exe/host_profile -D

root      1840     1  0 Sep13 ?        00:18:43 /usr/sap/hostctrl/exe/saposcol -l -w60 pf=/usr/sap/hostctrl/exe/host_profile

vo0adm   12100     1  2 11:48 ?        00:00:00 sapstartsrv pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs -D

vo0adm   12143  7266  0 11:48 pts/1    00:00:00 grep -i sap

/sapmnt/VO0/exe/uc/linuxx86_64

./sapstartsrv pf=/usr/sap/VO0/SYS/profile/VO0_D00_vhxy0vo0ci -D

hec01v039747:/ # ps -ef | grep -i sap

root      1617     1  0 Sep13 ?        00:01:35 /usr/sap/hostctrl/exe/saphostexec pf=/usr/sap/hostctrl/exe/host_profile

sapadm    1662     1  0 Sep13 ?        00:08:15 /usr/sap/hostctrl/exe/sapstartsrv pf=/usr/sap/hostctrl/exe/host_profile -D

root      1840     1  0 Sep13 ?        00:18:46 /usr/sap/hostctrl/exe/saposcol -l -w60 pf=/usr/sap/hostctrl/exe/host_profile

vo0adm   12100     1  0 11:48 ?        00:00:01 sapstartsrv pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs -D

vo0adm   14087     1  0 11:56 ?        00:00:00 sapstart pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs

vo0adm   14106 14087  0 11:56 ?        00:00:00 ms.sapVO0_ASCS01 pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs

vo0adm   14107 14087  0 11:56 ?        00:00:02 enq.sapVO0_ASCS01 pf=/usr/sap/VO0/SYS/profile/VO0_ASCS01_vhxy0vo0cs

vo0adm   16586     1  0 12:07 ?        00:00:01 ./sapstartsrv pf=/usr/sap/VO0/SYS/profile/VO0_D00_vhxy0vo0ci -D

root     17305 11496  0 12:10 pts/3    00:00:00 grep --color=auto -i sap

Login with root

hec01v039747:/usr/sap/hostctrl/exe # ./sapcontrol -nr 01 -function Start

hec01v039747:/usr/sap/hostctrl/exe # ./sapcontrol -nr 00 -function Start

Referances:

1.

2.https://wiki.scn.sap.com/wiki/display/SL/Starting+and+stoping+the+instance+during+update+manually

3.https://blogs.sap.com/2015/09/07/how-to-solve-nieconnrefused-issues-during-sapcontrol-execution/