With IPHost Network Monitor you can run simple snmp requests against a Dell device in your network.
devIndex
Device Index
1.3.6.1.4.1.795.2.7.2.1.1.1
A unique index value for each storage device beginning with 1.
Back to CIOMIB MIB page.
IPHost Network monitor allows you to monitor devIndex on Dell device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Dell firewalls right now.