Hp Insight Management Agents User Manual Page 97

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Placement indicates if the physical drive is in an internal or external storage system. The
following values are valid:
Internal—The physical drive is in an internal storage system.
External—The physical drive is in an external storage system.
Unknown—The physical drive is not in a storage system or the Storage Agents cannot
determine the drive placement.
—This symbol indicates that the drive is a hot plug drive.
Disk Type indicates the type of disk drive. The following values are valid:
SAS—The disk is a serial SCSI disk drive.
SATA—The disk is a Serial ATA disk drive.
Unknown—The Storage Agents cannot determine the disk type.
SAS Address displays the SAS address assigned to this disk drive. This item can be used for
identification purposes.
Rotational Speed indicates the rotational speed of the drive in revolutions per minute.
Used Reallocs displays the number of sectors of the reallocation area that have been used by
the physical drive.
OS Assigned Name displays the operating system name associated with this disk drive.
SAS Logical Drive
Select a SAS logical drive from the SAS host bus adapter submenu to display the following
information:
Status shows the status of the physical drive selected.
OK—The logical drive is in normal operation mode. No user action is required.
Degraded—The logical drive is in a degraded state.
Failed—There are more failed physical drives than the fault tolerance mode of the logical
drive can handle without data loss.
Offline—The logical drive is offline and cannot be accessed by the operating system.
User action may be required to bring the drive back online.
Unknown—The Storage Agents cannot determine the status of this drive. You may need
to upgrade your driver software or Storage Agents.
Raid Level displays the raid configuration of the logical drive. The possible values are:
RAID 0–Fault tolerance is not enabled. If a physical drive reports an error, the data cannot
be recovered.
RAID 1– Mirroring is the highest level of fault tolerance. It is the only method offering fault
tolerance protection if no more than two physical drives are selected. Drive mirroring
creates fault tolerance by storing duplicate data on two drives. There must be an even
number of drives. This is the most costly fault tolerance method because it requires 50
percent of the drive capacity to store the redundant data.
Unknown—The Storage Agents cannot determine the raid configuration of this logical
drive. You may need to upgrade your driver software or Storage Agents.
Capacity displays the size of the logical drive. A megabyte (MB) is 1,048,576 bytes, a
gigabyte (GB) is 1,073,741,824 bytes, and a terabyte (TB) is a thousand gigabytes.
Drive manufacturers sometimes use the number 1,000,000 as a megabyte when giving drive
capacities so this value may differ from the advertised size of a drive.
Storage Agent 97
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