There are a few CephFS file systems available in the sepia lab. These reside on the Short Running Cluster. Before the 2026 move, the file systems were on the Long Running Cluster.
Access to the Short Running Cluster Ceph cluster is available for any machine on the sepia VPN. You can and should mount these file systems on your laptop or development machine. This reduces load on some shared machines, like teuthology, and usually provides faster access depending on your client or network. However, for everyday use, you may prefer to access CephFS from a machine co-located with the other lab infrastructure, such as a Developer Playground machine, where OSD latency/bandwidth will be optimal.
To run the below playbooks, you need to be given access to the sepia VPN, the ssh key you shared should allow accessing this machine.
Please run the Ceph organization private ceph-devplayground ansible playbook to configure a node to mount the below CephFS file systems.
The majority of CephFS use is directed at the “teuthology” file system which hosts QA artifacts for analysis. Each test run has a directory in /teuthology-archive which is mounted at /teuthology. There is usually a /a symlink present pointing to /teuthology.
This is a general purpose file system for “scratch” space. Do what you want with it but consider all data in it as eligible for deletion at any time. You're encouraged to create a personal top-level directory.
The ceph-post-file utility dumps results in this file system. Users are encouraged to use this utility to share artifacts with Ceph developers.
There is a “home” file system which hosts the home directories of users of teuthology and potentially other development nodes. Its access is restricted to administrators.