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5-12
Intel
Integrated RAID Controller GSU31
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 for pulling 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
Enable Write
Cache
In Use
OK
Enable Disk Write Cache