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ndctl — Utility for managing Non-Volatile DIMMs. More information: <https://manned.org/ndctl>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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How to use the ndctl command: Utility for managing Non-Volatile DIMMs. More information: <https://manned.org/ndctl>.

ndctl — Utility for managing Non-Volatile DIMMs. More information: <https://manned.org/ndctl>.

Create an fsdax mode namespace:

ndctl create-namespace --mode={{fsdax}}

Change the mode of a namespace to raw:

ndctl create-namespace --reconfigure={{namespaceX.Y}} --mode={{raw}}

Check a sector mode namespace for consistency, and repair if needed:

ndctl check-namespace --repair {{namespaceX.Y}}

List all namespaces, regions, and buses (including disabled ones):

ndctl list --namespaces --regions --buses --idle

List a specific namespace and include lots of additional information:

ndctl list -vvv --namespace={{namespaceX.Y}}

Run a monitor to watch for SMART health events for NVDIMMs on the ACPI.NFIT bus:

ndctl monitor --bus={{ACPI.NFIT}}

Remove a namespace (when applicable) or reset it to an initial state:

ndctl destroy-namespace --force {{namespaceX.Y}}

Create an `fsdax` mode namespace

ndctl create-namespace --mode={{fsdax}}

Change the mode of a namespace to `raw`

ndctl create-namespace --reconfigure={{namespaceX.Y}} --mode={{raw}}

Check a sector mode namespace for consistency, and repair if needed

ndctl check-namespace --repair {{namespaceX.Y}}

List all namespaces, regions, and buses (including disabled ones)

ndctl list --namespaces --regions --buses --idle

List a specific namespace and include lots of additional information

ndctl list -vvv --namespace={{namespaceX.Y}}

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