# Storage capacity planning worksheet

Adapt this planning resource to your environment. Examples are illustrative, not completed checks. Do not record secrets.

- Service / scope:
- Accountable owner:
- Reviewer:
- Environment / version:
- Review date:
- Approval / change reference:
- Next review trigger:

## Measure usable capacity and growth

- [ ] Record usable capacity after redundancy and platform reserves, current consumption and the measurement date.
- Environment-specific action:
- Expected result / stop condition:
- Observed result and evidence:
- Owner / due date:

## Estimate time to the operational limit

- [ ] Define an operational headroom target with the platform owner.
- Environment-specific action:
- Expected result / stop condition:
- Observed result and evidence:
- Owner / due date:

## Include the expansion lead time

| Input | Record | Your record | Owner | Evidence reference | Status / due date |
| --- | --- | --- | --- | --- | --- |
| Usable capacity | After redundancy and required reserves |  |  |  |  |
| Growth | Daily or weekly range with observation period |  |  |  |  |
| Operational headroom | Minimum free space for normal and recovery work |  |  |  |  |
| Lead time | Approval through verified expansion |  |  |  |  |
| Action | Owner, trigger and planned completion |  |  |  |  |

## Verify reclamation and expansion

- [ ] Before deleting retained data, confirm ownership, retention obligations and the recovery points that would be lost.
- Environment-specific action:
- Expected result / stop condition:
- Observed result and evidence:
- Owner / due date:

## Closure

- Outcome: not started / pass / partial pass / fail
- Exceptions, owner and due date:
- Acceptance / approval:
- Follow-up and cleanup:

Source article: https://happysysadm.com/storage/storage-capacity-planning/