Ransomware attackers specifically target and attempt to destroy backup systems to increase the probability of payment. Hardening your system is critical. Please ensure you have reviewed your platform security using the Security Hardening Checklist
Cohesity

COHESITY Documentation

Explore our documentation to get started, discover products & new features, access troubleshooting guides, register sources, platforms support.

Products
Data Security Alliance
Visit Cohesity.com
Demos
Support
Blogs
Developers
Partner Portals
Cohesity Community
© 2026 Cohesity, Inc. All Rights Reserved.
Terms of Use|
Privacy Policy|
Legal|
  1. Home
  2. IT Analytics Help
  3. Section V. Report Reference
  4. Array Capacity Utilization Reports
  5. IBM Array Detail
  6. Extent Pool Capacity

Extent Pool Capacity

Table: Extent Pool Capacity

Column name

Description

# of Extent Pools

Links to the IBM Extent Pool Summary; both FB and CKD are included in this number.

FB Extent Pool Capacity

The sum of the capacity of all the fixed block extents in the extent pool; For FB, an extent is 1 GB.

FB Extent Pool Used

The amount of fixed block extent pool storage in assigned to a logical volume

FB Extent Pool Available

The fixed block extent pool storage that is not assigned to a logical volume

FB Extent Pool Usage

Mouse over the thermometer to view the percentage of the fixed block extent pool that is allocated.

CKD Extent Pool Capacity

The sum of the capacity of all the CKD extents in the extent pool; For CKD, an extent is 1 cylinder (.92 GB).

CKD Extent Pool Used

The amount of the CKD extent pool storage assigned to a logical volume.

CKD Extent Pool Available

The CKD extent pool storage that is not assigned to a logical volume.

CKD Extent Pool Usage

Mouse over the thermometer to view the percentage of the CKD extent pool that is allocated.

Feedback

Was this page helpful?
Previous

Rank Capacity

Next

Logical Volumes

Feedback

Was this page helpful?