Control and monitor I/O performance to FlexVol volumes by using Storage QoS
You can control input/output (I/O) performance to FlexVol volumes by assigning volumes to Storage QoS policy groups. You might control I/O performance to ensure that workloads achieve specific performance objectives or to throttle a workload that negatively impacts other workloads.
Policy groups enforce a maximum throughput limit (for example, 100 MB/s). You can create a policy group without specifying a maximum throughput, which enables you to monitor performance before you control the workload.
You can also assign SVMs, LUNs, and files to policy groups.
Note the following requirements about assigning a volume to a policy group:
The volume must be contained by the SVM to which the policy group belongs.
You specify the SVM when you create the policy group.
If you assign a volume to a policy group, then you cannot assign the volume’s containing SVM or any child LUNs or files to a policy group.
For more information about how to use Storage QoS, see the System Administration Reference.
qos policy-group createcommand to create a policy group.
volume createcommand or the
volume modifycommand with the
-qos-policy-groupparameter to assign a volume to a policy group.
qos statisticscommands to view performance data.
If necessary, use the
qos policy-group modifycommand to adjust the policy group’s maximum throughput limit.