Volume Details Page

This page displays details about the selected volume.

The following table describes the fields on the Volume Details page.

Field
Indicates
Map/Unmap
Click Map to map a volume to a host or host group; click Unmap to unmap a volume from a host or host group.
Snapshot
Click to create a snapshot of a volume.
Copy
Click to create a volume copy.
Expand
Click to expand the size of a volume.
View Performance Statistics
Click to view volume performance statistics.
Delete
Click to delete a volume.
Details
Name
The name of this volume.
World Wide Name
The World Wide Name for this volume.
Source Name
For a target volume, the name of the associated source volume.
Type
The volume type: Standard, Source, Target, Snapshot, Reserve
Capacity
The storage capacity that is allocated to this volume: KB, MB, GB (default), TB, blocks.
The capacity is the usable size of the volume for data. You might need additional capacity for a snapshot reserve volume.
Virtual Disk
The number of virtual disks for this volume.
Pool
The storage pool associated with this volume.
RAID Level
0, 1, 3, or 5
Segment Size
The amount of data (in kilobytes) that the controller writes on a single physical disk in a volume before writing data on the next physical disk.
Readahead Enabled
Whether the read cache is enabled: True or False.
Write cache enabled
Whether the write cache is enabled: True or False.
Write cache with mirroring enabled
Whether the write cache is enabled with mirroring.
Write cache without batteries enabled
Whether the write cache is enabled without batteries.
Flush cache after
The maximum amount of time that dirty data (data that has been cached, but not yet written to physical storage for the volume) can be maintained in cache before being flushed to physical storage. The following time specifiers are supported:
  • CACHE_FLUSH_IMMEDIATE - Cached data will be flushed immediately after it is placed in the cache.
  • CACHE_FLUSH_250_MSEC - Cached data will be flushed after 250 milliseconds.
  • CACHE_FLUSH_500_MSEC - Cached data will be flushed after 500 milliseconds.
  • CACHE_FLUSH_750_MSEC - Cached data will be flushed after 750 milliseconds.
  • CACHE_FLUSH_1_SEC - Cached data will be flushed after 1 second.
  • CACHE_FLUSH_1500_MSEC - Cached data will be flushed after 1500 milliseconds (1.5 seconds).
  • CACHE_FLUSH_2_SEC - Cached data will be flushed after 2 seconds.
  • CACHE_FLUSH_5_SEC - Cached data will be flushed after 5 seconds.
  • CACHE_FLUSH_10_SEC - Cached data will be flushed after 10 seconds.
  • CACHE_FLUSH_20_SEC - Cached data will be flushed after 20 seconds.
  • CACHE_FLUSH_60_SEC - Cached data will be flushed after 60 seconds.
  • CACHE_FLUSH_120_SEC - Cached data will be flushed after 120 seconds (2 minutes).
  • CACHE_FLUSH_300_SEC - Cached data will be flushed after 300 seconds (5 minutes).
  • CACHE_FLUSH_1200_SEC - Cached data will be flushed after 1200 seconds (20 minutes).
  • CACHE_FLUSH_3600_SEC - Cached data will be flushed after 3600 seconds (1 hour).
  • CACHE_FLUSH_INFINITE - Cached data is not subject to any age/time constraints; it will be flushed based on other criteria managed by the controller.
Disk scrubbing enabled
By default, the disk scrubbing check for media consistency is enabled for this volume. However, disk scrubbing for the array must be enabled on the General Setup page before this takes effect. Click Administration > General Setup to enable or disable disk scrubbing for the array. For details about disk scrubbing, go to Enabling Disk Scrubbing
Disk scrubbing with redundancy enabled
Enable disk scrubbing with redundancy for this volume to check for media consistency. Disk scrubbing for the array must be enabled on the General Setup page before this takes effect. Click Administration > General Setup to enable or disable disk scrubbing for the array. For details about disk scrubbing, go to Enabling Disk Scrubbing
Status
Whether the volume is online or offline.
Condition
Whether the volume is optimal or in an error condition.
State
The current state of the volume: Initializing, Ready.
Preferred Controller
For a standard volume, the controller of choice when both controllers are operational.
Owning Controller
The controller for this array: A or B.
Modification Priority
The priority according to which this volume is to be modified, at the expense of input/output(I/O) activity: Highest, High, Medium, Low, or Lowest.
Read Only
For a target volume, whether the target is read only.
Copy Priority
For a target volume, the priority of the volume copy.
Additional Information
Mapped Initiators
The number of mapped initiators for this volume.
Snapshots
The number of snapshots for this volume.
Targets
The number of targets associated with the volume.

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