With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpicfGRpDesiredPrimarySwitch
HP Integrated Communication Facility Generic Repeater Desired Primary Switch
1.3.6.1.4.1.11.2.14.11.4.5.4
The hpicfGRpSwitchIndex of the switch that the network administrator wants to be the primary switch for this stack. If the value of this object is zero, the agent will select the primary switch. Note that the agent may choose to use a different switch as the primary switch if it is unable to locate the switch identified by this object.
Back to hpprocurve-v2-hpgnrptr MIB page.
IPHost Network monitor allows you to monitor hpicfGRpDesiredPrimarySwitch on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.