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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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Modifying a Data Migration Plan

Modifying a Data Migration Plan

This operation enables you to modify the relocation triggering plan of a storage pool to improve storage performance.

Prerequisites

  • At least one storage pool has been created on the storage system and the storage pool has at least two storage layers.
  • SSD caching is disabled.

Procedure

  1. Log in to DeviceManager.
  2. Choose Provisioning > Resource Performance Tuning > SmartTier.
  3. Go to the Modify Data Migration Plan dialog box.

    1. In the left function pane, select the storage pool whose migration triggering policy you want to change.
    2. Right-click and choose Modify Data Migration Plan.

      The Modify Data Migration Plan dialog box is displayed.

  4. Modify the SmartTier information of the storage pool. Table 3-5 describes related parameters.

    Table 3-5 SmartTier parameter

    Parameter

    Description

    Value

    Data Migration Plan

    Mode of triggering data relocation among storage tiers in a storage pool. The value can be Manual or Periodical.

    • Manual: You must manually trigger the data relocation among storage tiers. The data relocation process is transparent to application servers. Manual data relocation can be performed anytime.
    • Periodical: You must specify the start time and duration of data relocation for the storage system to perform data relocation automatically at the specified time. This reduces the management cost and complexity. The data relocation process is transparent to application servers. Automatic data relocation is performed only at the specified time.
    NOTE:

    When the Relocation Triggering Mode is set to Periodical, the system enables I/O monitoring at the same time.

    [Example]

    Periodical

  5. Confirm the modification of the SmartTier information of the storage pool.

    1. Click OK.

      The Execution Result dialog box is displayed, indicating that the operation succeeded.

    2. Click Close.

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Updated: 2019-07-11

Document ID: EDOC1000181474

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