When you ran this, was it directly on the host, or did you run `cephadm shell` first? The two things you tend to need to connect to the cluster (that "RADOS timed out" error is generally what you get when connecting to the cluster fails. A bunch of different causes all end with that error) are a keyring with proper permissions and a ceph conf that includes the locations of the mon daemons. When you run `cephadm shell` on a host that has the keyring and config present, which the host you bootstrapped the cluster on should, it starts up a bash shell inside a container that mounts the keyring and the config and has all the ceph packages you need to talk to the cluster. If you weren't using the shell, or were trying this from a node other than the bootstrap node, it could be worth trying that combination. Otherwise, I see the title of your message says a mon is down. For debugging that, I'd think we'd need to see the journal logs from when it failed to start. `cephadm ls --no-detail | grep systemd` on a host where the mon is (NOT from within `cephadm shell`, directly on the host) will list out the systemd units for all the daemons cephadm has deployed there. You could use that systemd unit name to try and grab the journal logs. On Wed, Mar 6, 2024 at 2:09 PM <ankit@eurus.net> wrote:
Hi guys,
i am very newbie to ceph-cluster but after multiple attempts, i was able to install ceph-reef cluster on debian-12 by cephadm tool on test environment with 2 mons and 3 OSD's om VM's. All was seeming good and i was exploring more about it so i rebooted cluster and found that now i am not able to access ceph dashboard and i have try to check this
root@ceph-mon-01:/# ceph orch ls 2024-03-01T08:53:05.051+0000 7ff7602b8700 0 monclient(hunting): authenticate timed out after 300 [errno 110] RADOS timed out (error connecting to the cluster)
i have not configured RADOS. And i have no clue about it. Any help would be very appreciated? the same issue. _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-leave@ceph.io