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SmartQoS Feature Guide
OceanStor Dorado V3 Series V300R001

This document is applicable to OceanStor Dorado5000 V3, Dorado6000 V3, and Dorado18000 V3. It describes the implementation principles and application scenarios of the SmartQoS feature, and explains how to configure and manage SmartQoS.

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Monitoring Application Performance

Monitoring Application Performance

The storage system's built-in performance monitoring function provides visibility into object performance. This function helps know the service level agreement (SLA) requirement of each application, and adjust the performance goals of SmartQoS accordingly.

Procedure

  1. Enable and set performance monitoring.

    1. Choose Settings > Monitor Settings.
    2. Select Parameter Settings and set performance monitoring parameters, as follows
      NOTE:

      If Status of performance monitoring is Enabled, click Disabled before you set the following parameters.

      • In Sampling interval of real-time statistics collection(s):, set the interval for sampling performance data.
      • In Sampling interval of historical statistics collection(s):, set the duration of performance monitoring.
      • Select Save monitoring data on the device.
    3. Click Enabled to enable performance monitoring.

      The Execution Result dialog box is displayed.

    4. Click Close.

      Status of the performance monitoring function changes to Enabled.

  2. Monitor LUN or file system service performance.

    1. Choose Monitor > Performance Monitoring.
    2. On the Performance Monitoring page, set the objects that you want to monitor.
      1. In the Object Type list of the Monitored Object area, choose LUN.
      2. Select the LUNs that you want to monitor.
        NOTE:

        The data of an application resides on one or more LUNs. To monitor the performance of an application, you are advised to choose the LUNs that store the data of the specific application in this step.

      3. In the Statistical Indicators area, select the statistical indicators that you want to monitor.

        You can select Basic items or Advanced items from the Data Type drop-down list and select the desired indicators. You are advised to select the Block Bandwidth and Total IOPS (IO/s) indicators. Statistics of the selected indicators will be displayed in the right pane.

        NOTE:
        • In the left of the Performance Monitoring page, you can select to view the performance statistics of specific objects on a single charts.
        • In the left of the Performance Monitoring page, you can select to view the performance statistics of specific objects on multiple charts.
        • If you view the performance statistics of specific objects on a single chart, choose Advanced items from the Data type list to obtain more accurate performance monitoring results.
        • If you view the performance statistics of specific objects on a single chart, set a scale in the Zoom Rate list to obtain more accurate statistics.

Result

In the right pane. a line graph shows the LUN performance by application.

By monitoring LUN performance, you can see how each application occupies storage system resources. Based on the monitoring result, you can then judge whether the performance of an application at the current time or during a certain period is lower or higher than the preset performance goal.

  • If the performance is lower than the goal, you can use SmartQoS to limit the performance of other applications.
  • If the performance is higher than the goal, you can use SmartQoS to limit the performance of this application.
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Updated: 2018-10-19

Document ID: EDOC1000178797

Views: 14007

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