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