Dot Hill Systems II 200 FC - Manual (Page 119)

8-1
CH A P T E R 8
Troubleshooting Your Array
This chapter covers the following maintenance and troubleshooting topics:
■
“Sensor Locations” on page 8-1
■
“Silencing Audible Alarms” on page 8-5
■
“RAID LUNs Not Visible to the Host” on page 8-7
■
“Controller Failover” on page 8-7
■
“Recovering From Fatal Drive Failure” on page 8-8
■
“Using the Reset Push Button” on page 8-10
■
“Troubleshooting Flowcharts” on page 8-11
■
“Power Supply and Fan Module” on page 8-11
■
“Drive LEDs” on page 8-13
■
“Front-Panel LEDs” on page 8-16
■
“I/O Controller Module” on page 8-21
For more troubleshooting tips, refer to the SANnet II 200 FC, SATA, and SATA SE
Array Release Notes. See “Related Documentation” on page -xviii for more
information. Product documentation can also be found at this Dot Hill web site:
http://www.dothill.com/manuals
.
8.1 Sensor Locations
Monitoring conditions at different points within the array enables you to avoid
problems before they occur. Cooling element, temperature, voltage, and power sensors
are located at key points in the enclosure. The SCSI Enclosure Services (SES)
processor monitors the status of these sensors. Refer to the SANnet II Family RAID
Firmware User’s Guide for details.
The following tables describe each element and its sensors.