Disks

1 minute read.

Last Modified 2026-03-02 11:45 EST

TrueNAS provides tools to manage, replace, and wipe the physical drives installed in your system.

Contents

Replacing Disks: Provides disk replacement instructions that take a failed disk offline and replaces a disk in an existing VDEV. The replacement process automatically triggers a pool resilvers.

Wiping a Disk: Provides instructions for wiping a disk.

SLOG Over-Provisioning: Provides information on the disk_resize command in TrueNAS.

Managing Self-Encrypting Drives (SED): Covers self-encrypting drives including supported specifications, implementing and managing SEDs in TrueNAS, and managing SED passwords and data.

Disks Screen: Describes UI screens and dialogs related to disk operations.