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cephadm — Deploy and manage a Ceph cluster using containers. Part of the Ceph orchestrator framework. More inf

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

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cephcephadmcommandandclimanageclusterdeploy

linux

Problem

How to use the cephadm command: Deploy and manage a Ceph cluster using containers. Part of the Ceph orchestrator framework. More information: <https://docs.ceph.com/en/latest/man/8/cephadm/>.

Solution

cephadm — Deploy and manage a Ceph cluster using containers. Part of the Ceph orchestrator framework. More information: <https://docs.ceph.com/en/latest/man/8/cephadm/>.

Bootstrap a new Ceph cluster on the current host:

sudo cephadm bootstrap --mon-ip {{monitor_ip}}

Add a new host to the cluster:

sudo cephadm add-host {{hostname}} {{ip_address}}

Deploy a specific service (e.g., mgr, mon, osd):

sudo cephadm deploy {{service_type}} --name {{service_name}}

Check the status of cluster services:

sudo cephadm shell -- ceph {{[-s|--status]}}

Enter a shell environment inside the Ceph container:

sudo cephadm shell

Remove a service from the cluster:

sudo cephadm rm-service {{service_type}} --name {{service_name}}

Code Snippets

Bootstrap a new Ceph cluster on the current host

sudo cephadm bootstrap --mon-ip {{monitor_ip}}

Add a new host to the cluster

sudo cephadm add-host {{hostname}} {{ip_address}}

Deploy a specific service (e.g., mgr, mon, osd)

sudo cephadm deploy {{service_type}} --name {{service_name}}

Check the status of cluster services

sudo cephadm shell -- ceph {{[-s|--status]}}

Enter a shell environment inside the Ceph container

sudo cephadm shell

Context

tldr-pages: linux/cephadm

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