Users Guide

Property Definition
• Degraded Redundancy — This state is applicable to RAID 6 and RAID 60 in which a
physical disk in a redundant virtual disk is not online, but the virtual disk is still accessible
and functioning.
Partitions This property displays whether the virtual disk has a partition. The possible values are Not
Available and Link to the Partitions information page.
Virtual Disk Bad Block Displays whether the virtual disk has bad blocks.
Encrypted Displays whether the virtual disk is encrypted. The possible values are Yes and No.
Hot Spare Policy Violated Displays whether the Hot Spare Protection Policy has been violated.
NOTE: This property is displayed only if you set any Hot Spare Protection
Policy. For more information, see Setting Hot Spare Protection Policy.
T10 Protection Information Status Displays the data integrity status of the virtual disk. The possible options are Enabled and
Disabled.
Layout Displays the RAID level.
Size Displays the total capacity of the virtual disk.
The algorithm for calculating the virtual disk size rounds a value of 0.005 or less, down to
0.00 and a value between 0.006 and 0.009, up to 0.01. For example, a virtual disk size of
819.725 is rounded down to 819.72. A virtual disk size of 819.726 is rounded up to 819.73.
Device Name Displays the operating system device name for this object.
Bus Protocol Displays the technology that the physical disks included in the virtual disk are using.
Possible values are:
• SAS
• SATA
Media Displays the media type of the physical disks present in the virtual disk. The possible values
are:
• HDD
• SSD
• Unknown — Storage Management is unable to determine the media type of the
physical disk.
NOTE: You cannot have a mix of HDD and SSD media on a virtual disk. Also,
you cannot have a mix of SAS and SATA drives on the virtual disk.
Read Policy Displays the read policy that the controller is using for the selected virtual disk. See RAID
Controller Read, Write, Cache, and Disk Cache Policy.
Write Policy Displays the write policy that the controller is using for the selected virtual disk. See RAID
Controller Read, Write, Cache, and Disk Cache Policy.
Cache Policy Displays the cache policy that the controller is using for the selected virtual disk. See RAID
Controller Read, Write, Cache, and Disk Cache Policy.
Stripe Size Displays the stripe size of the virtual disk.
Disk Cache Policy Displays whether the disk cache policy of the physical disks that is part of the virtual disk is
enabled or disabled. See RAID Controller Read, Write, Cache, and Disk Cache Policy.
Virtual Disk Tasks
To execute a virtual disk drop-down menu task:
1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects.
2. Expand a Controller object.
3. Select the Virtual Disks object.
Virtual Disks
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