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Storage Tiering

TrueNAS Enterprise
This feature is only available on TrueNAS Enterprise systems.

Storage Tiering is an Enterprise feature that operates as a share-level toggle that lets admin users decide whether to write data to flash performance tiers or regular HDD tiers within a fusion pool at any time.

What is a Fusion Pool?

A fusion pool is a hybrid storage pool that mixes slow, high-capacity spinning hard drives (HDDs) and fast, low-latency solid-state drives (SSDs or NVMes) within a single ZFS storage pool to improve performance. Fusion pools are also known as ZFS allocation classes, ZFS special vdevs, and metadata vdevs (Metadata vdev type on the Pool Manager screen).

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Virtual Machines Screens

Virtual Machines Screen

The Virtual Machines screen allows users to add, edit, or manage virtual machines (VMs) or VM devices in TrueNAS. The No Virtual Machines screen shows when there are no VMs configured in or deleted from TrueNAS.

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Local Pool Migration

Overview

This tutorial covers migrating data and configuration from one local pool to another on a TrueNAS storage appliance. Migrating is helpful if, for example, when you have two local pools (Pool A and Pool B) and want to consolidate them by moving data and shares from Pool B to Pool A. You can then destroy Pool B and repurpose its drives.

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Storage Dashboard Screens

The Storage Dashboard screen allows users to configure and manage storage resources such as pools (VDEVs) and disks. The dashboard widgets organize functions related to storage resources.

No Pools Screen

The No Pools screen displays before you add the first pool.

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