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Dell Storage Manager 2020 R1 Administrator's Guide

Set the Metadata Tier

Metadata tiering provides the ability to store data and metadata in different storage tiers or LUNs. Metadata tiering allows storing of metadata items on faster disks, benefiting workloads which are metadata-oriented but require low-cost disks for most of their data. This feature is disabled by default, and can be enabled at any time during system operation. Metadata tiering is disabled when the system is updated from an older version of the firmware.

About this task

When creating or expanding a NAS pool, administrators can select the percentage of the FluidFS NAS pool capacity to be allocated for the metadata tier. For example, High Priority (Tier 1) stores approximately 12.5 percent of the storage for FluidFS in the metadata tier whereas Low Priority (Tier 3) stores approximately 3 percent of the storage for FluidFS in the metadata tier.

Steps

  1. In the Storage view, select a FluidFS cluster.
  2. Click the NAS Pool tab.
  3. In the Storage Subsystems panel, click Change Storage Profile.
    The Select Storage Profile window opens.
  4. Select a storage profile and NAS pool percentage to allocate for metadata.
  5. Click OK.

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