Dot Hill Systems II 200 FC service manual Troubleshooting Your Array, Maintaining Your Array

		6.2.1	Drive LED Status	6–4
		6.2.2 Correcting SES or PLD Firmware Version Conflicts		6–4
	6.3	Back-Panel LEDs		6–5
		6.3.1 I/O Controller Module LEDs		6–5
		6.3.2 I/O Expansion Module LEDs		6–8
		6.3.3 Power Supply and Fan Module LEDs		6–9
7.	Maintaining Your Array			7–1
	7.1	Using Software to Monitor and Manage the Array		7–1
		7.1.1	Out-of-Band Connections	7–2
		7.1.2	In-Band Connections	7–2
		7.1.3	Other Supported Software	7–2
		7.1.4	Enabling VERITAS DMP	7–3
		7.1.5 The VERITAS Volume Manager ASL		7–4
	7.2	Battery Operation		7–4
		7.2.1	Battery Status	7–4
	7.3	Viewing Event Logs on the Screen		7–5
	7.4	Upgrading Firmware		7–7
		7.4.1	Installing Firmware Upgrades	7–7
		7.4.2 Controller Firmware Upgrade Features		7–7
		7.4.3 Upgrading SES and PLD Firmware		7–8
	7.5	Replacing the Front Bezel and Ear Caps		7–8
		7.5.1 Removing the Front Bezel and Ear Caps		7–9
		7.5.2 Placing the Bezel and Ear Caps Back Onto the Chassis		7–9
8.	Troubleshooting Your Array			8–1
	8.1	Sensor Locations		8–1
		8.1.1	Cooling Element Sensors	8–2
		8.1.2	Temperature Sensors	8–3
		8.1.3	Voltage Sensors	8–4
		8.1.4	Power Supply Sensors	8–5
	8.2	Silencing Audible Alarms		8–5
	8.3	RAID LUNs Not Visible to the Host		8–7
	8.4	Controller Failover		8–7

vi SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005