services:cephfs
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
services:cephfs [2023/06/12 19:56] pdonnell |
services:cephfs [2024/01/05 20:05] (current) ljflores Need sudo unless you are running as root. |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| ====== CephFS ====== | ====== CephFS ====== | ||
| - | There are a few CephFS file systems available in the sepia lab. These reside on the [[services:longrunningcluster|Long Running Cluster]]. Access to this Ceph cluster is available for any machine on the VPN. You can and should (!!) mount these file systems on your laptop or development machine. | + | There are a few CephFS file systems available in the sepia lab. These reside on the [[services:longrunningcluster|Long Running Cluster]]. |
| - | Below we ssh to the ''reesi001.front.sepia.ceph.com'' machine. When given access to the [[:vpnaccess|sepia VPN]], the ssh key you shared should allow accessing this machine. | + | Access to this Ceph cluster is available for any machine on the [[:vpnaccess|sepia VPN]]. You can and **should** mount these file systems on your laptop or development machine. This reduces load on some shared machines, like [[services:teuthology|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 [[:devplayground|Developer Playground]] machine, where OSD latency/bandwidth will be optimal. |
| + | |||
| + | In the scripts/commands below, we will ssh to the ''reesi001.front.sepia.ceph.com'' machine. When [[:vpnaccess#requesting_access|given access to the sepia VPN]], the ssh key you shared should allow accessing this machine. | ||
| ==== Authorization ==== | ==== Authorization ==== | ||
| - | Get access to CephFS with the LRC ''ceph.conf'' and ''client.sepian'' credential: | + | On your development machine or laptop, get access to CephFS with the LRC ''ceph.conf'' and ''client.sepian'' credential: |
| <code bash> | <code bash> | ||
| Line 24: | Line 26: | ||
| ==== Mounting all Sepia CephFS file systems ==== | ==== Mounting all Sepia CephFS file systems ==== | ||
| - | Generate mounts for your ''/etc/fstab'' using the script below: | + | Generate mounts for your ''/etc/fstab'' using the script below. Copy it locally, mark it executable, and run: |
| <code bash> | <code bash> | ||
| Line 43: | Line 45: | ||
| genmount / /scratch scratch | sudo tee -a /etc/fstab | genmount / /scratch scratch | sudo tee -a /etc/fstab | ||
| genmount / /postfile postfile | sudo tee -a /etc/fstab | genmount / /postfile postfile | sudo tee -a /etc/fstab | ||
| + | </code> | ||
| + | |||
| + | The fstab changes will cause these file systems to mount on boot. After adding these entries for the first time, you need to manually mount them: | ||
| + | |||
| + | <code bash> | ||
| + | sudo mount /teuthology | ||
| + | sudo mount /scratch | ||
| + | sudo mount /postfile | ||
| </code> | </code> | ||
| Line 62: | Line 72: | ||
| <code bash> | <code bash> | ||
| - | ln -s /teuthology /a | + | sudo ln -s /teuthology /a |
| </code> | </code> | ||
| Line 73: | Line 83: | ||
| The [[https://docs.ceph.com/en/latest/man/8/ceph-post-file/|ceph-post-file]] utility dumps results in this file system. Users are encouraged to use this utility to share artifacts with Ceph developers. | The [[https://docs.ceph.com/en/latest/man/8/ceph-post-file/|ceph-post-file]] utility dumps results in this file system. Users are encouraged to use this utility to share artifacts with Ceph developers. | ||
| + | |||
| + | ==== The home FS ==== | ||
| + | |||
| + | 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. | ||
services/cephfs.1686599776.txt.gz · Last modified: 2023/06/12 19:56 by pdonnell
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
