openstack/cinder
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Merge "Capacity based QoS doc"

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Zuul 2020-09-10 22:54:36 +00:00 committed by Gerrit Code Review
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doc/source/admin/blockstorage-capacity-based-qos.rst
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@ -24,9 +24,14 @@ the quality of service.
There are currently 6 options to control capacity based quality of service There are currently 6 options to control capacity based quality of service
which values should be fairly self explanatory: which values should be fairly self explanatory:
For dynamic IOPS per volume.
* `read_iops_sec_per_gb` * `read_iops_sec_per_gb`
* `write_iops_sec_per_gb` * `write_iops_sec_per_gb`
* `total_iops_sec_per_gb` * `total_iops_sec_per_gb`
For dynamic bandwidth per volume.
* `read_bytes_sec_per_gb` * `read_bytes_sec_per_gb`
* `write_bytes_sec_per_gb` * `write_bytes_sec_per_gb`
* `total_bytes_sec_per_gb` * `total_bytes_sec_per_gb`
@ -35,9 +40,14 @@ In addition, there are 6 more options which allow you to control the minimum
possible value. This can be useful in cases where a user creates a volume that possible value. This can be useful in cases where a user creates a volume that
is very small and ends up with an unusable volume because of performance. is very small and ends up with an unusable volume because of performance.
For minimum IOPS per volume.
* `read_iops_sec_per_gb_min` * `read_iops_sec_per_gb_min`
* `write_iops_sec_per_gb_min` * `write_iops_sec_per_gb_min`
* `total_iops_sec_per_gb_min` * `total_iops_sec_per_gb_min`
For minimum bandwidth per volume.
* `read_bytes_sec_per_gb_min` * `read_bytes_sec_per_gb_min`
* `write_bytes_sec_per_gb_min` * `write_bytes_sec_per_gb_min`
* `total_bytes_sec_per_gb_min` * `total_bytes_sec_per_gb_min`