5-12 Intel® Server RAID Controller U3-1 User’s Manual Rev 1.0
RAID Features
Table 5-13 lists available disk actions depending on current usage and status of the disk(s). See
Section 4.3.6, “Physical Disks” on page 4-21.
Table 5-12. Physical Drive Usage
Usage Description
Available
Drive is available to be configured as part of a RAID volume, defined as a global hot
spare, reformatted or set as pass-through for direct control by the host operating
system.
In Use Drive is configured as part of a RAID volume.
Spare
Drive is configured as a global hot spare. See Section 5.1.4.1, “Global Hot Spare” on
page 5-4 for more information.
Pass-through
Drive is not controlled by RAID firmware and thus cannot be a part of a RAID volume.
The drive will be available to the operating system as an individual disk.
Claim on Reboot
Gives control of the device to the Intel Integrated RAID subsystem. A reboot may be
required depending on previous usage.
Table 5-13. Disk Actions, Usage and Status
Disk Action Usage Status Description if Submitted and Confirmed
Begin Format Available OK
Formats a drive or allows the drive to be reformatted after
a format session has failed.
Begin Format In Use Failed
Begin Format
Available(in
red)
Failed
Claim for RAID
Pass-
through
OK
Gives control of the drive to the Intel Integrated RAID
subsystem.
Claim on
Reboot
OK
Identify Drive Available OK
Identify a drive. Useful for determining the location of a
drive within a storage enclosure.
Identify Drive In Use Failed
Identify Drive In Use OK
Identify Drive Spare OK
Mark as Failed Available Formatted OK
Alerts a user not to use this drive. Usually utilized in
testing scenarios to simulate a failed drive.
Mark as Failed In Use OK
Mark as Normal Available Formatted OK
Marks drive as no longer failed.
Mark as Normal In Use Failed
Mark as Spare Available OK Mark drive as a global hot spare.
Mark Offline Available OK
Marks a drive to an unusable state and removes all RAID
configuration data from drive. Useful forpulling a drive out
of a storage enclosure that does not support drives from
being removed while online.
Mark Offline In Use Failed
Mark Offline In Use OK
Mark Offline Spare OK
Mark Online Available Offline
Marks a drive for use. Drive is ready for power.
Mark Online In Use Offline
