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21020690 B 6500 Disk Array User’s Guide
Chapter 3 Display/Operation Panel
Page 3 - 14 ARRAY OPTIONS
SET
DEFAULTS
Setting the to returns the array to its factory default
settings for
, and
. The default for this option is .
RPT AS
RECOVER
is set to when it is necessary for Unit Attention
conditions to be reported as Recovered Errors rather than with a Unit Attention.
This is determined by the needs of the operating system and the driver. Default
is .
TEMP
WARNING
Use this option to change the temperature at which the array will issue an alarm
and warning display ( ), the warning threshold for overheating conditions. This
temperature warning can be set in degrees Celsius or Fahrenheit, and refers to
the temperature detected by the sensor on the controller board.
TEMP
CRITICAL
In addition to the temperature warning ( ), there is another, higher temperature
at which the array’s drives are automatically shut down (50 degrees Celsius).
This is the critical ( ) over-temperature threshold. The
menu option allows you to enable or disable this automatic shutdown feature.
Positions are and . (When , the unit attention and alarm are still
issued but the array does not shut down.)
AUTO
MEGOMETER
(ON/OFF)
The megometer feature displays the array’s current data transfer rate in
megabytes per second. Because transfer rates vary considerably from moment
to moment, the rate shown is actually the average transfer rate for a two-second
period. This averaging yields a more accurate representation of overall transfer
performance.
When the megometer is , the transfer rate is the default display unless some
other message preempts it. When you switch the megometer display , the
transfer rate will not display until you switch it again.
Note When you select the auto megometer display, it will not take effect
until the next subsystem reset or power cycle has occurred.
ARRAY NAME
Use this option to specify a logical name or designator for the array. This feature
is a convenience where multiple array units are used and need to be
distinguished from one another with assigned names. The array name is a user-
definable 14-character string, and is displayed on line 1 in place of .
The displayed name will be replaced by error messages or menu selection titles
when active.