User's Manual

Physical Disks or Physical Devices 213
The Online and Offline tasks only apply to physical disks that are included in
a redundant virtual disk and attached to a PERC 4/SC, 4/DC, 4e/Si, 4e/Di,
4e/DC, or 4/Di controller.
Use the Offline task to deactivate a disk before removing it. Use the Online
task to reactivate an offline disk. In some cases, you may want to use the
Online task on a failed disk in an attempt to recover data from the disk. For
more information, see
Using the Physical Disk Online Command on Select
Controllers
.
NOTE: The Online and Offline tasks are not supported on the PERC 4/IM controller
or the CERC SATA1.5/6ch, and CERC SATA1.5/2s controllers.
To online or offline the physical disk:
1 Review the physical disk that must be made online or offline. When
making a physical disk offline, be aware that there can be data loss. Back
up your data, if necessary. If you want to blink the physical disk, click the
Blink button.
2 Click Online or Offline when ready or click Go Back to Previous Page .
To locate this task in Storage Management:
1 Expand the Storage tree object to display the controller objects.
2 Expand a controller object.
3 Expand a Connector object.
4 Expand the enclosure or Backplane object.
5 Select the Physical Disks object.
6 Select Online or Offline from the Available Tasks drop-down menu of
the physical disk you want to make online or offline.
7 Click Execute .
Clear Physical Disk and Cancel Clear
Does my controller support this feature? See Supported Features .
Use the clear physical disk task to erase data residing on a physical disk. The
Clear task applies to physical disks that are in Ready state and that contain
data or that are in Clear state.