Create a Quality of Service (QoS) policy and I/O limit rules
You can create a QoS policy and I/O limit rules to apply to volumes and volume groups that have already been created.
Steps
Under
Storage, click
QoS.
On the
QoS Policies page, click
Create.
On the
Create a QoS Policy slide-out panel, enter a name for the QoS policy and, optionally, a description of the policy.
Click
Create to create an I/O limit rule.
On the
Create IO Limit Rule slide-out panel, enter a name for the I/O limit rule.
Click the
Absolute Limit radio button or the
Density-base Limit radio button.
Click the
Absolute Limit radio button if you want the maximum IOPS per GB or maximum bandwidth per GB to be a fixed value.
Click the
Density-based Limit radio button if you want the limit to change in proportion to the capacity of the volume or volume group.
If you want to include a burst, enter a percentage in the
Burst field.
The burst setting is an option that allows traffic to exceed the maximum IOPS or bandwidth limit. When a burst is enabled, the traffic can exceed that limit by a designated percentage for a few seconds.
Click
Create.
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