Miscellaneous scenarios for Keystone billing
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Understanding Keystone billing for specific configurations can help you optimize service usage and manage costs. The configurations include cloned volumes, temporary volumes, SnapMirror destinations, LUNs, and system/root volumes.
Billing for cloned volumes
If volumes are cloned in ONTAP and you use them for backing up and restoring your data, you can continue using the clones without any additional payments. However, cloned volumes used for any other purpose in your business for an extensive duration are charged.
Note the following:
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Clone volumes are free from charging as long as their size is less than 10% of the parent volume (the physical capacity used in the clone volume compared to the physical capacity used in the parent volume).
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There is no 24-hour grace period for cloned volumes. Only the size of the clone is considered.
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Once the clone volume exceeds 10% of the physical size of the parent, the clone is billed as a standard volume (logical used capacity).
Billing for temporary volumes
Occasionally, temporary (TMP) volumes are created by ONTAP when moving volumes. These temporary volumes are short-lived, and the consumption on these volumes is not measured for billing.
Billing for SnapMirror destinations
The pricing for SnapMirror destination volumes, whether used for disaster recovery or long-term retention, is based on the performance service level assigned to the destination. There is no extra fee for data protection.
Billing for LUNs
For LUNs, the billing is based on the performance service levels of the volume.
System and root volumes
System and root volumes are monitored as a part of the overall monitoring of the Keystone service but are not counted or billed. The consumption on these volumes is exempted for billing.