Chapter 1. Overview of the IBM Storwize V7000 system 7
1.3.3 IBM Storwize V7000 functions
The following functions are available with IBM Storwize V7000:
Thin provisioning (No license required)
Traditional fully allocated volumes allocate real physical disk capacity for an entire volume
even if that capacity is never used. Thin-provisioned volumes allocate real physical disk
capacity only when data is written to the logical volume.
Volume mirroring (No license required)
Provides a single volume image to the attached host systems while maintaining pointers
to two copies of data in separate storage pools. Copies can be on separate disk storage
systems that are being virtualized. If one copy failing, IBM Storwize V7000 provides
continuous data ...