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Intel® Server RAID Controller U3-1 User’s Manual Rev 1.0 5-11
RAID Features
5.2.7 Physical Drive Usage
This section addresses the usage of physical drives.
Table 5-10. Available Volume Actions and Volume Status
Volume Actions
Volume Status
Un-initialized Initializing Migrating Normal Degraded Failed
None YES YES YES YES YES YES
Delete Volume YES YES YES YES YES YES
Mark as Normal NO NO NO NO NO YES
Initilize Parity YES NO NO NO NO NO
Disable Write Cache YES YES YES YES YES YES
Enable Sequence Write Cache YES YES YES YES YES YES
Enable Full Write Cache YES YES YES YES YES YES
Modify Volume NO NO NO YES NO NO
YES indicates the volume action is available during the indicated volume status.
NO indicates the volume action is not available during the indicated volume status.
Table 5-11. Physical Drive Status
Status Description
OK Drive is configured as a member.
Failed
Accesses to drive have not completed successfully. The RAID firmware does not
accessafaileddrive.
Offline
Drive is unusable. This state is used to prepare disks for removal from a SAF-TE
enclosure.
Missing
Drive configured as a member of a RAID volume is not detected. The RAID firmware
does not access a missing drive.
Formatting Drive is being formatted.
Formatted OK Format completed successfully.
Formatted Failed Disk is unusable.
ALARM-SERVICE
Indicates that the disk drive has reported a S.M.A.R.T event and may be in need of
service or replacement. See the specific disk drive manufacturer documentation for
details including error codes, utilities, etc.
Incompatible Version
The drive is not compatible with the firmware on SRCU31 adapter card. To gain access
to this drive, use it with the adapter card with appropriate firmware or low level format
the drive.