Capacity terminology changes
IBM® Storage is making the capacity terminology that is used in IBM Storage products consistent. In Q1 2020, the capacity terminology was made clearer and simpler across IBM Storage products, including IBM Storage Insights.
The following table lists the original capacity terms and the new terms:
Original terms | New terms |
---|---|
(No existing term) | Overhead Capacity |
Allocated SAN Space | Used SAN Capacity |
Allocated Space | Used Capacity, only on Block Storage Systems, Volumes, and Pools pages |
Assigned SAN Space | Mapped SAN Capacity |
Assigned Volume Space | Mapped Capacity |
Available Disk Space | Available Drive Capacity |
Available File System Space | Available File System Capacity |
Available Pool Space | Available Capacity |
Available Repository Space | Available Repository Capacity |
Available Soft Space | Available Soft Capacity |
Available Space | Available Capacity |
Disk Capacity | Capacity |
Disk Space from name_storage_system | Drive Capacity from name_storage_system |
Effective Available Capacity | Available Written Capacity |
Effective Capacity | Written Capacity Limit |
Effective Unallocated Volume Space | Available Volume Capacity |
External Pool Used Space | External Pool Used Capacity |
External Used Space | External Used Capacity |
Effective Used Capacity | Used Written Capacity |
Enterprise HDD Available Space | Enterprise HDD Available Capacity |
File System Space from name_storage_system | File System Capacity from name_storage_system |
Inactive Used Space | Inactive Used Capacity |
Nearline HDD Available Space | Nearline HDD Available Capacity |
Overhead Space | (Term removed) |
Physical Allocation | Used Capacity, only on Block Storage Systems, Volumes, and Pools pages |
Pool Capacity | Capacity |
Raw Disk Capacity | Raw Capacity |
Reserved Pool Space | Reserved Capacity |
Soft Space | Soft Capacity |
Space Quota | Capacity Quota |
Tier 0 Flash Available Space | Tier 0 Flash Available Capacity |
Tier 1 Flash Available Space | Tier 1 Flash Available Capacity |
Total Capacity | Capacity |
Total Disk Capacity | Capacity |
Total Disk Space | Drive Capacity |
Total File System Capacity | File System Capacity |
Total Space | Capacity |
Total Volume Capacity | Provisioned Capacity |
Unallocatable Volume Space | Overprovisioned Capacity |
Unallocated Space | Available Capacity |
Unallocated Volume Space | Available Volume Capacity |
Unassigned Volume Space | Unmapped Capacity |
Unused Space | Reserved Volume Capacity |
Used Allocated Space | (Term removed, use Used Capacity instead) |
Used File System Space | Used File System Capacity |
Used Pool Space | (Term removed, use Used Capacity instead) |
Used Space | (Term removed, use Used Capacity instead) |
Virtual Allocation | Provisioned Capacity |
Volume Capacity | Capacity |
Written Space | Written Capacity |
For descriptions of new and existing capacity terms, see Capacity and space metrics.
Restriction: The capacity term changes do not apply to the
reports that are available in the IBM Storage
Insights
GUI.