[CentOS] Systemd and systemd-sysv-generator

Instead of converting the sysv script, you could trivially write your own, the following
was tested against about 6 SNMP queries, the service stops and starts as expected.
You may want to purge the sysv remnants.

# cat /etc/systemd/system/lsi_mrdsnmpd.service
[Unit]
Description=LSI SNMP Agent startup/shutdown script

Requires=network.target
Requires=snmpd.service

After=network.target
After=snmpd.service


[Service]
Type=forking
ExecStart=/etc/lsi_mrdsnmp/lsi_mrdsnmpagent -c /etc/snmp/snmpd.conf

[Install]
WantedBy=multi-user.target

hth,
jlc