166 Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1
Customize columns
Selecting Customize Columns in the Actions menu allows you to include additional
information fields in the Pools panel, as shown in Figure 4-34.
Figure 4-34 Customizing columns in the Pools panel
4.2.3 Child storage pools
A child storage pool is a storage pool created within a storage pool. The storage pool in
which the child storage pool is created is called
parent storage pool.
Unlike a parent pool, a child pool does not contain MDisks; its capacity is provided exclusively
by the parent pool in the form of extents. The capacity of a child pool is set at creation time,
but can be nondisruptively modified later. The capacity must be a multiple of the parent pool
extent size and must be smaller than the free capacity of the parent pool.
Child pools are useful when the capacity allocated to a specific set of volumes must be
controlled.
Child pools inherit most properties from their parent pools, and these cannot be changed. The
inherited properties include:
Extent size
Easy Tier setting
Encryption setting, but only if the parent pool is encrypted
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