These new checks provide information for
- Director disks IO throughput and latency
- Directors frontend and backend interface statistics
- Directors CPU utilization
- Volume IO throughput and latency
Note: The EMC VPLEX devices currently do not provide a SysDescr OID, which is
considered as a bug. If you want to discover these checks you need to configure
these hosts with the rule "Hosts without system description OID" (snmp_without_sys_descr).
Otherwise these devices will fail at the start of the service discovery.
Additional note: It seems that the snmp information is only updated every 90 seconds.
We highly recommend to set the check interval for these checks (actually the Check_MK check)
to 120 seconds. If you query the system every minute there will be errors in the rate computation
of the interfaces and other side effects.
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