Storage Partitioning; Virtual Disk Expansion - Dell PowerVault MD3620f Command Line Interface Manual

Storage Partitioning

Storage Partitioning is a feature that allows hosts to share access to virtual
disks in a storage array. You create a storage partition when you define any of
these logical components in a storage array:
• A host
• A host group
• A virtual disk-to-LUN mapping
The virtual disk-to-LUN mapping lets you define which host group or host
has access to a particular virtual disk in the storage array.
When you create storage partitions, define the storage partitions after you
have created the primary virtual disk and the secondary virtual disk in a
Remote Replication configuration. The storage partition definitions for the
primary storage array and the secondary storage array are independent of each
other. If these definitions are put in place while the virtual disk is in a
secondary role, the administrative effort associated with the site recovery is
reduced if it becomes necessary to promote the virtual disk to a primary role.

Virtual Disk Expansion

A Virtual Disk Expansion (VDE) is a modification operation that increases
the capacity of a standard virtual disk or a snapshot repository virtual disk.
The increase in capacity is achieved by using the free capacity that is available
in the disk group of the standard virtual disk or the snapshot repository virtual
disk.
This modification operation is considered to be "dynamic" because you can
continually access data on disk groups, virtual disks, and physical disks
throughout the entire operation.
A VDE operation can be performed on a primary virtual disk or a secondary
virtual disk of a replication relationship.
You cannot perform a VDE operation on a replication repository virtual disk.
Using the Remote Replication Premium Feature
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