官方文档：
http://folk.uio.no/trondham/software/check_openmanage.html#download

1、dell服务器上安装：
http://linux.dell.com/repo/hardware/latest/
http://linux.dell.com/repo/hardware/dsu/

wget -q -O - http://linux.dell.com/repo/hardware/latest/bootstrap.cgi|/bin/bash
yum update
yum install srvadmin-all net-snmp
yum install srvadmin-base net-snmp

2、启动omsa：

/opt/dell/srvadmin/sbin/srvadmin-services.sh start
/opt/dell/srvadmin/sbin/srvadmin-services.sh enable

3、修改snmpd.conf
vi /etc/snmp/snmpd.conf

#SET SNMP _BEGIN_
com2sec notConfigUser  default       readonly
group   notConfigGroup v1           notConfigUser
group   notConfigGroup v2c           notConfigUser
view    systemview    included   .1
access  notConfigGroup ""      any       noauth    exact  systemview none none
syslocation BJ
syscontact admin ([email protected])
dontLogTCPWrappersConnects yes
smuxpeer .1.3.6.1.4.1.674.10892.1
#SET SNMP _END_

4、重启snmp服务并验证

service snmpd restart
snmpwalk -v 1 -c readonly 127.0.0.1|head

check mk 选择snmp然后重新scan