How to power cycle 3.5" HDD?

Check Power Status:

# ipmitool raw 0x2e 0xb4 0x39 0x28 0x00 0x00 <hdd index>

Power on:

# ipmitool raw 0x2e 0xb3 0x39 0x28 0x00 0x00 <hdd index> 0x01

Power off:

# ipmitool raw 0x2e 0xb3 0x39 0x28 0x00 0x00 <hdd index> 0x00