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OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003 Basic Storage Service Guide for File 16

"This document describes the basic storage services and explains how to configure and managebasic storage services."

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Forecasting Storage Pool Performance

Forecasting Storage Pool Performance

This operation allows the storage system to provide a recommended capacity ratio for a storage pool based on its configuration of hard disks and RAID policy.


  • At least a LUN whose relocation policy is Automatic relocation is available.
  • The I/O monitoring of the storage pool has been enabled.
  • LUNs have been accessed after the I/O monitoring is enabled.
  • The Usage of the storage pool is Block Storage Service.


  1. Log in to DeviceManager.
  2. Choose Provisioning > Storage Pool.
  3. Select the storage pool whose properties you want to forecast performance and click Properties.

    The Properties of Storage Pool dialog box is displayed.

  4. Enable the performance forecasting analysis function. If the forecast analysis function has been enabled, skip this step.
    1. Click the Forecast Analysis tab.

    2. Select Enable to enable the performance forecasting analysis function.
    3. Click Apply.

      The Execution Result dialog box is displayed indicating that the function is enabled successfully.

    4. Click Close.
  5. Configure the performance forecasting analysis function.
    1. Click the Forecast Analysis tab.
    2. From each of the High-performance Tier, Performance Tier, and Capacity Tier drop-down lists, select the type of hard disks and RAID policy.
  6. Viewing the forecast analysis results.
    1. Click Result.

      The Result dialog box is displayed, and the following information can be viewed.

      • Recommended capacity ratio configuration of each storage tier
      • IOPS in the recommended capacity ratio configuration
      • Bandwidth in the recommended capacity ratio configuration

Updated: 2019-08-14

Document ID: EDOC1000084081

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