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SmartTier Feature Guide for Block

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 18500 V5, and 18800 V5. This document describes the working principle and application scenarios of the SmartTier (for block) feature. It also explains how to configure and manage the feature.
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Enabling I/O Monitoring

Enabling I/O Monitoring

Enable the I/O monitoring before relocating data among storage tiers or viewing the capacity policy of a storage tier. Specify days and hours during which performance data is collected for SmartTier data distribution analysis.


You can enable I/O monitoring when you want to use the SmartTier to manage storage. I/O monitoring applies to a single storage pool and can be modified after being set.

Service monitoring period specifies a period during which I/O monitoring data is collected for the SmartTier data placement analysis. Defining a Service Monitoring Period helps distinguish between the active period and the idle period of a storage pool, and allows the storage system to perform I/O monitoring only during the active period. Note the following when setting service monitoring periods:

  • If applications stay inactive during a specific period of time, delete this period from the Service Monitoring Period.
  • If applications (such as background backup or data synchronization) are not users' major applications during a specific period of time, delete this period from the Service Monitoring Period.

The recommended Service Monitoring Period is the default 24/7 hours. If there are multiple active applications but their active periods are different, keep the default Service Monitoring Period.


When SSD cache is enabled, users cannot set Service Monitoring Period.


  1. Go to the Storage Pool page.

    1. On the right navigation bar, click .

      The Provisioning page is displayed.

    2. On the page, click Storage Pool.

      The Storage Pool management page is displayed.

  2. Enable I/O monitoring.

    1. On the storage pool management page, select the storage pool to be monitored and click Properties. The Properties of Storage Pool dialog box is displayed.
    2. In the Properties of Storage Pool dialog box, click the SmartTier Policy tab.
    3. In the Service Monitoring Period area, select Enable I/O monitoring and set an I/O monitoring period.
    4. Click OK. I/O monitoring is successfully enabled.

Updated: 2019-07-11

Document ID: EDOC1000181474

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