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Configure and Customize Dell PowerFlex v3.6.x

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Set volume bandwidth and IOPS limits

Set bandwidth and IOPS limits for volumes on a per-SDC basis. This enables you to control the quality of service (QoS).

Prerequisites

Ensure that the volumes are mapped before you set these limits.

About this task

Steps

  1. From the PowerFlex GUI, in the left pane, click Protection > Snapshots.
  2. In the right pane, select the relevant volume check box and click More > Set Limits.
  3. In the Set IO limits for volume <volume name> enter the required values for BW Limit (MB/s) and IOPS Limits, or select the corresponding Unlimited check box.
  4. In the Bandwidth Limits and IOPS Limits boxes, type the required values, or select the corresponding Unlimited check box.
    • The number of IOPS must be larger than 10.
    • The volume network bandwidth is in MB/sec.
    • The IO limits are applied to every mapped SDC.
  5. In the SDC panel, select the SDCs to which you want to apply the changes.
  6. Click Apply.
  7. Verify that the operation completed successfully and click Dismiss.

Results

IO limits are set for the volume.

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