Logical Drive States; Scsi Drive States - LSI MegaRAID SCSI 320-2 RAID Controller Series 518 Hardware Manual

2.3.12 Logical Drive States

2.3.13 SCSI Drive States

2-10
totally dedicated to rebuilding the failed drive. The MegaRAID SCSI 320-
2 rebuild rate can be configured between 0% and 100%. At 0%, the
rebuild is only done if the system is not doing anything else. At 100%,
the rebuild has a higher priority than any other system activity.
Table 2.2 describes the logical drive states.
Table 2.2 Logical Drive States
State Description
Optimal Drive operating condition is good. All configured drives are
online.
Degraded Drive operating condition is not optimal. A configured drive has
failed or is offline.
Failed Drive has failed.
Offline Drive is not available to MegaRAID SCSI 320-2.
A SCSI disk drive can be in one of the states described in
Table 2.3 SCSI Drive States
State Description
Online The drive is functioning normally and is a part of a configured
(ONLIN) logical drive.
Ready The drive is functioning normally but is not part of a
(READY) configured logical drive and is not designated as a hot spare.
Hot Spare The drive is powered up and ready for use as a spare in case
(HOTSP) an online drive fails.
Fail (FAIL) A fault has occurred in the drive, placing it out of service.
Rebuild (REB) The drive is being rebuilt with data from a failed drive.
Introduction to RAID
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Table 2.3.