Manage Volume Groups, Volumes Tab

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NAS > Volume Groups > Actions > Manage Volume Groups > Volumes
SAN > Volume Groups > Actions > Manage Volume Groups > Volumes

Reassigns the logical volumes on the Oracle FS System to different volume groups.

Volume Name

Identifies the names of the configured logical volumes.

Volume Group

Identifies the name of the volume group in which the logical volume resides. This field can be used to reassign the volume to another group.

Logical Capacity (GB)

Provides an overview of the logical capacity usage and the logical capacity requirements of the volume group.

Used

Indicates the amount of allocated capacity that is consumed.

For LUNs, this amount is the same as the allocated amount.
For filesystems, this amount is the allocated capacity that contains user data.

Allocated

Identifies the total amount of storage capacity that is reserved for this volume or this volume group.

Maximum

Identifies the sum of the addressable capacity for the logical volume and its clone repository.

RAID Level

Single parity: Indicates that, in addition to the actual data, one set of parity bits exists for the logical volume. This parity level protects against the loss of one drive. Single parity is implemented as a variant of the RAID 5 storage technology.
Double parity: Indicates that, in addition to the actual data, two sets of parity bits exist for the logical volume. This parity level protects against the loss of one or two drives with a slight cost to write performance. Double parity is implemented as a variant of the RAID 6 storage technology.
Mirrored: Indicates that no parity bits exist for the volume. Instead, the system writes the data in two different locations. This RAID level protects against the loss of at least one drive and possibly more drives with an improvement of the performance of random write operations. Mirrored RAID is implemented as a variant of the RAID 10 storage technology.

Physical Capacity (GB)

Provides an overview of the physical capacity usage and the physical capacity requirements of all the volumes on the system.

Volume Overhead: Identifies the physical and logical storage capacity that is required to meet the logical volume Quality of Service (QoS) settings.
Used: Identifies the current capacity that the volume consumes.
Allocated: Specifies the amount of raw capacity in gigabytes (GB) that the system has assigned and designated to this logical volume.
Maximum: Identifies the maximum capacity for the volume group. The maximum capacity of the logical volumes and nested volume groups that are associated with the volume group cannot exceed this value. A value of 0 (zero) identifies that the volume group is configured with unlimited capacity. You can increase the maximum capacity of the associated logical volumes and the nested volume groups without constraints.

Priority Level

Filesystems

Identifies the priority that the system gives to various operational aspects of a logical volume, such as the Controller processing queue. The processing-queue priority defines the percentage of the Controller CPU cycles that are dedicated to the volume. Identifies as well where the data is striped on rotating drives. Valid priority levels:

Premium: Indicates the highest priority for responding to requests in the processing queue.
High: Indicates the next highest priority for responding to requests in the processing queue.
Medium: Indicates an intermediate priority for responding to requests in the processing queue.
Low: Indicates the next to lowest priority for responding to requests in the processing queue.
Archive: Indicates the lowest priority for responding to requests in the processing queue.

LUNs

Identifies the priority that the system gives to various operational aspects of a logical volume. These operational aspects include the Controller processing queue, the SAN interface requests, and the migration of the auto-tiered LUN extents.

Note: The processing-queue priority defines the percentage of the Controller CPU cycles that are dedicated to the volume.

Premium: Indicates the highest priority for responding to requests in the processing queue. For auto-tiered LUNs, busy LUN extents receive the highest priority when the system migrates the data to the higher-performing storage tiers.
High: Indicates the next highest priority for responding to requests in the processing queue. For auto-tiered LUNs, busy LUN extents receive the next highest priority when the system migrates the data to the higher-performing storage tiers.
Medium: Indicates an intermediate priority for responding to requests in the processing queue. For auto-tiered LUNs, busy LUN extents receive an intermediate priority when the system migrates the data to the higher-performing storage tiers.
Low: Indicates the next to lowest priority for responding to requests in the processing queue. For auto-tiered LUNs, busy LUN extents receive the next to lowest priority when the system migrates the data to the higher-performing storage tiers.
Archive: Indicates the lowest priority for responding to requests in the processing queue. For auto-tiered LUNs, busy LUN extents receive the lowest priority when the system migrates the data to the higher-performing storage tiers.