Logical Drive States; Scsi Drive States - LSI MegaRAID SCSI 320-1 RAID Controller Series 520 Hardware Manual

2.3.12 Logical Drive States

2.3.13 SCSI Drive States

2-10
The MegaRAID SCSI 320-1 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 The drive operating condition is good. All configured drives are
online.
Degraded The drive operating condition is not optimal. One of the
configured drives has failed or is offline.
Failed The drive has failed.
Offline The drive is not available to MegaRAID SCSI 320-1.
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 configured
(READY) 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 an
(HOTSP) online drive fails.
Fail A fault has occurred in the drive, placing it out of service.
(FAIL)
Rebuild The drive is being rebuilt with data from a failed drive.
(REB)
Introduction to RAID
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Table 2.3.