The number of mons is ideally an odd number. For production 5 is usually the right number. MDS is a complicated question.

On Aug 30, 2024, at 2:24 AM, s.dhivagar.cse@gmail.com wrote:

Hi,

We are using raw cephfs data 182 TB replica 2 and single MDS seemed to regularly run around 4002 req/s, So how many MDS & MON servers are required?

Also mentioned current ceph cluster servers

Client : 60 MDS: 3 (2 Active + 1 Standby) MON: 4 MGR: 3 (1 Active + 2 Standby) OSD: 52 PG : auto scale _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-leave@ceph.io