Necessary services other than PRIMECLUSTER for PRIMECLUSTER to operate are as follows:
crond.service
ipmi.service (*1)
iscsi.service (*2)
libvirtd.service (*3)
ntpd.service, or chronyd.service
radvd.service (*4)
rsyslog.service
target.service (*2)
(*1) The ipmi.service is necessary when SA_ipmi is set in the shutdown facility on PRIMERGY.
(*2) The iscsi.service and the target.service are necessary when using the mirroring among servers.
(*3) The libvirtd.service is necessary for the KVM environment.
(*4) The radvd.service is necessary only if Fast switching mode is used as the redundant line control method of GLS, and IPv6 communication is used.