Viewing QoS Policies

Viewing QoS Policies in VAST Web UI

Viewing QoS Policies in VAST CLI

From the left navigation menu, select Element Store and then QoS Policies.

The QoS Policies page shows a list of QoS policies created on the VAST cluster.

For each QoS policy, the following information can be displayed:

• ID

  The ID of the QoS policy.

• Name

  The name of the QoS policy.

• Mode

  Indicates whether capacity-based limits are set:

  • Static. Capacity-based limits are not set.

  • Used Capacity. Capacity-based limits are set per unit of used logical capacity.

  • Provisioned Capacity. In view QoS policies, capacity-based limits are set per unit of logical capacity provisioned by the soft limit of a quota on the view path.

• Limit By

  Specifies which performance characteristics(s) are limited by the QoS policy:

  • BW and IOPS. Both bandwidth (BW) and I/O per second (IOPS) is limited.

  • BW. Only bandwidth is limited.

  • IOPS. Only IOPS is limited.

• Type

  Indicates whether the QoS policy is intended to provision performance for views (View), block volumes (Volume), or users (User).

• Priority

  Indicates whether the QoS policy is prioritized.