Dot Hill Systems II 200 FC service manual

Note – It is important to know the cause of the error condition because how you silence the alarm depends on the cause of the alarm.

To silence the alarm, perform the following steps:

1.Check the error messages, event logs, and LED activity to determine the cause of the alarm.

Component event messages include but are not limited to the following:

■SES/PLD firmware mismatch

■Temperature

■Cooling element

■Power supply

■Battery

■Fan

■Voltage sensor

Caution – Be particularly careful to observe and rectify a temperature failure alarm. If you detect this alarm, shut down the controller. Shut down the server as well if it is actively performing I/O operations to the affected array. Otherwise, system damage and data loss can occur.

See Appendix C for more information about component alarms. Controller event messages include but are not limited to the following:

■Controller

■Memory

■Parity

■Drive SCSI Channel

■Logical drive

■Loop connection

Refer to the “Event Messages” appendix in the SANnet II Family RAID Firmware User’s Guide for more information about controller events.

8-6SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005