User Guide

 Each RAID Controller supports specific RAID Levels and Stripe Sizes. Unsupported items
indicate space or do not appear in the list.
 Each RAID Controller supports specific Cache Modes. Unsupported Cache Modes do not
appear.
 Each RAID Controller supports specific items appearing on the Property tab of the Logical
Drive and specific items whose settings can be changed. Unsupported items indicate space or
do not appear in the list.
The status of a Logical Drive is defined depending on the RAID Level and the number of
Physical Devices failed.
If the RAID Level is RAID 10 or RAID 50 and two Physical Devices are failed (or RAID 60 and
three or four Physical Devices are failed), the status will be [Degraded] or [Offline] depending
on the failed Physical Devices.
Number of failed Physical Devices RAID level
0 1 2 3 or more
RAID 0 Online Offline Offline Offline
RAID 1 Online Degraded Offline -
RAID 5 Online Degraded Offline Offline
RAID 6 Online Degraded Degraded Offline
RAID 10 Online Degraded Degraded/Offline Offline
RAID 50 Online Degraded Degraded/Offline Offline
RAID 60 Online Degraded Degraded Degraded/Offline
(5 or more : Offline)
Referring to Property of Physical Device
For the information on a Physical Device, see the property of the Physical Device.
55
T
o display the property of Physical Device by RAID Viewer,
click the Physical Device whose information is to be seen on
the Tree View and click [Properties] on the [File] menu.
The [General] tab indicates the property of the Physical D
evice.
r
aidcmd property -tg=pd -c=1 -p=e252s4
>raidcmd property -tg=pd -c=1 -p=e252s4
TE ST9146803SS
RAID Controller #1 Physical Device e252s4
Enclosure : 252
nal Enclosure Position : Inter
Slot : 4
ID : 20
Device Type : HDD
Interface : SAS
Vendor/Model : SEAGA
Firmware Version : N007
Serial Number : 3SD0WKQ5
Capacity : 135GB
Status : Online
S.M.A.R.T. : Normal
Power Status : On
>
Use "pr
operty" command to see property of a Physical
Device by raidcmd.
-tg : Specify "pd" to see property of a Physical Device
-c : Number of the RAID Controller
-p : Number of the Physical Device
Ex. Refer to the property of the Physical Device with
RAID Controller:1 and Physical Device Number:
e252s4).