[ceph-users] Re: How does client get the new active ceph-mgr endpoint when failover happens?

2022-10-06 Thread Burkhard Linke
Hi, do clients (as in ceph clients like rbd/cephfs/rgw) connected to the mgr at all? IMHO the clients only need to be able to connect to the mon (host list in ceph.conf / DNS SRV entries) and osd (osd map in mons). If certain clients need to retrieve data from the mgr (e.g. cephfs-top, rbd

[ceph-users] Re: How does client get the new active ceph-mgr endpoint when failover happens?

2022-10-06 Thread Janne Johansson
> Thanks for the quick response! > > What if the node is down? The client cannot even connect to the mgr. Then this mgr would not be in the list of possible mgrs to connect to at all. -- May the most significant bit of your life be positive. ___ ceph-u

[ceph-users] Re: How does client get the new active ceph-mgr endpoint when failover happens?

2022-10-06 Thread Zhongzhou Cai
Thanks for the quick response! What if the node is down? The client cannot even connect to the mgr. On Thu, Oct 6, 2022 at 2:17 AM Janne Johansson wrote: > Den tors 6 okt. 2022 kl 10:40 skrev Zhongzhou Cai >: > > Hi folks, > > I have ceph-mgr bootstrapped on three nodes, and they are running i

[ceph-users] Re: How does client get the new active ceph-mgr endpoint when failover happens?

2022-10-06 Thread Janne Johansson
Den tors 6 okt. 2022 kl 10:40 skrev Zhongzhou Cai : > Hi folks, > I have ceph-mgr bootstrapped on three nodes, and they are running in HA. > When the active mgr node goes down, it will failover to one of the > standbys. I'm wondering if there is a way for the client to be aware of the > leadership