User's Manual

88 Controllers
Patrol Read State This property displays the current state of the Patrol Read
process. Possible values are:
Ready—The Patrol Read process is enabled and runs when
next scheduled or when manually initiated.
Active—The Patrol Read process is currently running.
Stopped—The Patrol Read has been stopped.
For more information about Patrol Read, see
Set Patrol Read
Mode
.
Patrol Read Rate This property represents the percentage of the system
resources dedicated for running the Patrol Read operation. It
changes the amount of system resources assigned for the
Patrol Read task. The patrol read rate can be configured
between 0% and 100%, where:
• 0% — indicates the lowest priority for controllers and has the
least impact on the system performance.
• 100% — indicates the highest priority for controllers and has
a greater impact on the system performance.
Patrol Read
Iterations
This property displays the number of Patrol Read iterations.
For more information about Patrol Read, see
Set Patrol Read
Mode
.
Cluster Mode This property indicates whether the controller is part of a
cluster configuration.
Persistent Hot Spare The possible values are:
Enabled: The slot corresponding to the hot spare drive is
persistent. Any drive in the slot functions as a hot spare if the
drive is qualified to be a hot spare.
NOTE: Any drive in the slot functions as a hot spare. If the drive
contains foreign data, it is overwritten.
Disabled: The slot corresponding to the hot spare drive is not
persistent. If the drive is removed from the slot and any drive
is inserted, the slot stops function as a hot spare. You need to
manually assign the drive as a hot spare again.
Controller Tasks Enables you to configure and manage the controller. For more
information, see
Controller Tasks .
Property Definition