Sepia June 2023

sepia@ceph.io

1 participants
3 discussions

by thomaswilliam2444＠gmail.com

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2 months, 3 weeks

PSA: developer wiki page for sepia CephFS file systems on the LRC

by Patrick Donnelly

If you are a Ceph developer, you should familiarize yourself with this core infrastructure service [1]. Included are instructions for mounting these CephFS file systems on your development machines. https://wiki.sepia.ceph.com/doku.php?id=services:cephfs -- Patrick Donnelly, Ph.D. He / Him / His Red Hat Partner Engineer IBM, Inc. GPG: 19F28A586F808C2402351B93C3301A3E258DD79D

10 months, 2 weeks

[PSA] Did you know you can mount the teuthology file system locally?

by Patrick Donnelly

The teuthology file system is where results are stored from QA runs. You don't _have_ to login to the teuthology VM to access these test artifacts. In fact, you can mount this file system from your laptop with sepia VPN access or a dev machine (like vossi [1] or senta [2]). For example: pdonnell@vossi04 $ grep teuthology < /etc/fstab 172.21.2.201,172.21.2.202,172.21.6.108:/teuthology-archive /teuthology ceph name=teuthology-ro,secret=<redacted>,mds_namespace=teuthology,_netdev 0 2 This client.teuthology-ro credential can only read the file system. To get the secret, login to vossi04.front.sepia.ceph.com to read the unredacted /etc/fstab or email me directly. You may ask why? Because it's usually much faster to access the file system on another machine. The teuthology VM is often under heavy load and memory pressure so the file system cache is cold. Looking at multi-GB test artifacts also uses up significant memory that's primarily earmarked for running the teuthology workers. [1] https://wiki.sepia.ceph.com/doku.php?id=hardware:vossi [2] https://wiki.sepia.ceph.com/doku.php?id=hardware:senta -- Patrick Donnelly, Ph.D. He / Him / His Red Hat Partner Engineer IBM, Inc. GPG: 19F28A586F808C2402351B93C3301A3E258DD79D

10 months, 3 weeks

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Sepia June 2023