Add new Cephfs (second one)

cephfspain

New Member
Nov 5, 2025
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Hello,

I have a Proxmox cluster with 3 nodes and a configured Ceph pool. I already have a CephFS used for a Kubernetes cluster. I am trying to add a new CephFS to store ISOs and templates, but I have not been successful.

Proxmox version: 9.0.3
Ceph version: 19.2.3

Here is what I have done so far:

Code:
ceph osd pool create proxmox_cephfs_data 32 32
ceph osd pool create proxmox_cephfs_metadata 16 16
ceph fs new proxmox_cephfs proxmox_cephfs_metadata proxmox_cephfs_data
systemctl enable ceph-mds@proxmox_cephfs
systemctl start ceph-mds@proxmox_cephfs

However, the MDS service does not start.

Could you please advise on how to properly create a new CephFS that is functional in this setup?

Thank you for your help.

Best regards,