Re: [pve-devel] [PATCH docs v2 6/6] pveceph: add section for rbd namespaces

["Alexander Zeidler" <a.zeidler@proxmox.com>]

On Mon Dec 23, 2024 at 5:00 PM CET, Aaron Lauterer wrote:
> and a few basic examples on how to manage them.
>
> Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
> ---
> changes since v1: none
>
>  pveceph.adoc | 41 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
>
> diff --git a/pveceph.adoc b/pveceph.adoc
> index da39e7f..a90a6e1 100644
> --- a/pveceph.adoc
> +++ b/pveceph.adoc
> @@ -760,6 +760,47 @@ You can find a more in-depth introduction to the PG autoscaler on Ceph's Blog -
>  https://ceph.io/rados/new-in-nautilus-pg-merging-and-autotuning/[New in
>  Nautilus: PG merging and autotuning].
>  
> +[[pve_ceph_rbd_namespaces]]
> +RBD Namespaces
> +~~~~~~~~~~~~~~
> +
> +Namespaces in the rados block device (RBD) layer can be used to have multiple
> +Proxmox VE clusters using the same pool, but still be logically separated.
{pve}

> +Namespaces can be managed in the web UI in the 'Node -> Ceph -> Pools' panel.
> +
> +Alternatively, the `pveceph` or Ceph's `rbd` footnote:[https://docs.ceph.com/en/latest/man/8/rbd/]
> +utility can be used too. To list all RBD namespaces of the pool `vmstore`, run the
> +following command:
> +[source, bash]
> +----
> +pveceph pool namespace ls vmstore
> +----
> +The result will be for example:
> +[source, bash]
> +----
> +┌───────────┐
> +│ Namespace │
> +╞═══════════╡
> +│ bar       │
> +├───────────┤
> +│ foo       │
> +└───────────┘
> +----
> +
> +To create a new RBD namespace `baz` in the pool `vmstore`, run:
> +[source, bash]
> +----
> +pveceph pool namespace create vmstore baz --add-storage 1
> +----
> +The `--add-storage` parameter is optional an when set, will create a new
s/an/and/

> +storage configuration with the new namespace.
> +
> +To delete the `baz` RBD namespace in pool `vmstore`:
Maybe:
To delete the empty `baz` RBD namespace in pool `vmstore`, run:

> +[source, bash]
> +----
> +pveceph pool namespace destroy vmstore baz
> +----
> +
>  
>  [[pve_ceph_device_classes]]
>  Ceph CRUSH & device classes



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