Users Guide

Property Definition
Load Balance Provides the ability to automatically use both controller ports or
connectors connected to the same enclosure to route I/O
requests. This property is available only on SAS controllers that
have controller firmware version 6.1 and later.
Auto Replace Member on Predictive Failure Enables the automatic copying of data from a physical disk to a hot
spare in case of predictive failure. Use this property in conjunction
with the Allow Revertible Hot Spare and Replace Member property.
Redundant path view Indicates whether Storage Management has detected a redundant
path configuration. Storage Management detects a redundant path
configuration when both controller ports are connected to the
same enclosure that is in a unified mode.
Encryption Capable Indicates whether the controller has the capability to support
encryption. Possible values are Yes and No.
Encryption Key Present Indicates whether the controller has an encryption key established.
Possible values are Yes and No.
Encryption Mode Indicates whether the controller is using Local Key Management
(LKM) Enterprise Key Management (EKM)or None. For more
information, see Managing The Encryption Key.
T10 Protection Information Capability Indicates whether the controller supports data integrity. Possible
values are Yes and No.
Cache Memory Size Displays the size of the cache memory on the controller.
Patrol Read Mode Displays the Patrol Read Mode setting for the controller. Possible
values are:
• Auto — Patrol read runs continuously on the system. When
one iteration of the patrol read is complete, the next patrol read
is scheduled to start within an interval specified by the
controller. You do not have the option of manually starting or
stopping the Patrol Read in this mode.
• Manual — Allows you to manually start or stop the patrol read
process.
• Disabled — Indicates that the patrol read process is disabled.
For more information about patrol read, see Setting The Patrol
Read Mode and Starting And Stopping Patrol Read.
Patrol Read State 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 running.
• Stopped — The patrol read has been stopped.
For more information about patrol read, see Setting The Patrol
Read Mode.
Patrol Read Rate Displays the percentage of system resources dedicated for running
the Patrol Read operation. Patrol Read Rate 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 Displays the number of Patrol Read Iterations. For more
information about patrol read, see Setting The Patrol Read Mode.
Controllers 51