IBM XIV Storage Pools Summary
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The XIV Storage Pools Summary report provides a view of IBM XIV storage pool consumption, including a hard and soft status indicators to draw attention to when physical and logical capacity has been over-provisioned are reaching capacity limits. For example, for growing LUNs, 30% utilized may not be considered to be over-provisioned. However, over time, it may warrant a second look to determine a more efficient approach to storage allocation.
When generating this report, the Scope Selector enables customization of the hard and soft capacity values used to render the report.
See How Capacity Values are Represented in XIV Reports.
Table: IBM XIV Storage Pools Summary
Column name | Description |
|---|---|
|
Pool Name |
The name of the storage pool links to the XIV Storage Pool Details. |
|
Storage Array |
Name of the XIV array links to the Array Capacity & Utilization report |
|
Thin |
Y = thin provisioning |
|
Hard Limit |
Maximum physical capacity that can be used by volumes and snapshots in the pool |
|
Used |
Physical capacity used by the volumes (see Allocated) + Snapshot Used |
|
% Util |
Used/Hard Limit |
|
Available |
Capacity that is available for allocation |
|
Allocated |
Amount of storage used by volumes; Note that Allocated does NOT include Snapshots. |
|
Soft Limit |
The logical amount of space for all storage pools in the array. A soft limit greater than the hard limit indicates thin provisioning. |
|
Soft Util % |
Soft Util % = Soft limit - Available/Soft Limit |
|
Snapshot Used |
Amount of storage in use by snapshots |
|
Lock Status |
Locked status |
|
Lock Behavior |
Lock behavior, such as Read Only |
|
# CGs |
Number of Consistency Groups associated with this pool, links to the XIV Consistency Group Summary report |
|
# Volumes |
Number of volumes and snapshots associated with this pool, links to XIV LUN Utilization Summary report |
|
Hard Status |
Physical Capacity Status: If % Util < 2% = empty, if % Util > 95% = near capacity, if % Util > 2% and <30% = over-provisioned |
|
Soft Status |
Logical Capacity Status: If % Util < 2% = empty, if % Util > 95% = near capacity, if % Util > 2% and <30% = over-provisioned |