Users Guide

Table Of Contents
Load Balance
Auto replace member on predictive failure
Redundant path view
Persistent hot spare
NOTE: You can also set these properties using the command-line interface. For more information, see the Server
Administrator Command-Line Interface Users Guide.
To Locate Change Controller Properties In Storage Management
1. In the Server Administrator window, under the system tree, select Storage.
2. On the Storage Dashboard page, select Change Controller Properties from the Available Tasks drop-down menu.
3. Click Execute.
To Locate Change Controller Properties In Storage Management - Method 2
1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects.
2. Select a controller object.
3. Click Information/Configuration on the controller Properties page.
4. Select Change Controller Properties ... from the Controller Tasks drop-down menu.
5. Click Execute.
Managing The Physical Disk Power
Does my controller support this feature? See Supported Features.
The Manage Physical Disk Power task allows you to manage the power consumed by the physical disks.
NOTE:
The Manage Physical Disk Power task is provided with H330 cards by spinning down the hot spares and
unconfigured disks. PERC H730P, H730, H740P, and H840 cards also support the Manage Physical Disk Power task with
additional power-saving modes, Spin Down Configured Drives, and Automatic Disk Power Saving (Idle C) options.
NOTE: This task is not supported on PERC hardware controllers running in HBA mode.
You can enable one of the following modes to manage the power consumed:
No Power Savings Mode This is the default mode for the controller. In this mode, all power-saving features are
disabled.
Balanced Power Savings Mode Provides good power savings while limiting I/O latency.
Maximum Power Savings Mode Provides maximum power savings for all drives.
Customized Power Savings Mode Allows you to customize the power-saving settings. The default values are
populated when you select this power mode. You can select or clear the features you want to enable. You can select
Quality of Service (QoS) to customize power saving on configured drives by setting the Start Time and Time interval to
spin up.
To enable the Quality of Service (QoS) feature:
1. Select Customized Power Savings Mode.
2. Select Enable for the Spin Down Configured Drives option
Properties In Manage Physical Disk Power Option
The following table displays the properties in the Manage Physical Disk Power option:
Table 14. Manage Physical Disk Power Properties
Property Definition
Spin Down Unconfigured Drives The Enabled option spins down the unconfigured disks if they
are unattended for a specified interval of time.
Controllers 67