I have now opened a bug issue as this must be a bug with cephadm: https://tracker.ceph.com/issues/51629
Hopefully someone has time to look into that. Thank you in advance. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, July 9th, 2021 at 8:11 AM, mabi <m...@protonmail.ch> wrote: > Hello, > > I rebooted all the 8 nodes of my Octopus 15.2.13 cluster which runs on Ubuntu > 20.04 LTS with cephadm and since then cephadm see 7 nodes as unreachable as > you can see below: > > [WRN] CEPHADM_HOST_CHECK_FAILED: 7 hosts fail cephadm check > > host ceph1d failed check: Can't communicate with remote host `ceph1d`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1g failed check: Can't communicate with remote host `ceph1g`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1c failed check: Can't communicate with remote host `ceph1c`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1e failed check: Can't communicate with remote host `ceph1e`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1f failed check: Can't communicate with remote host `ceph1f`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1b failed check: Can't communicate with remote host `ceph1b`, > possibly because python3 is not installed there: [Errno 32] Broken pipe > > host ceph1h failed check: Failed to connect to ceph1h (ceph1h). > > Please make sure that the host is reachable and accepts connections using the > cephadm SSH key > > To add the cephadm SSH key to the host: > > > ceph cephadm get-pub-key > ~/ceph.pub > > > > ssh-copy-id -f -i ~/ceph.pub root@ceph1h > > To check that the host is reachable: > > > ceph cephadm get-ssh-config > ssh_config > > > > ceph config-key get mgr/cephadm/ssh_identity_key > ~/cephadm_private_key > > > > chmod 0600 ~/cephadm_private_key > > > > ssh -F ssh_config -i ~/cephadm_private_key root@ceph1h > > I checked and SSH is working and python3 is installed on all nodes. > > As you can see here "ceph orch host ls" also shows nodes as offline: > > ceph orch host ls > ================= > > HOST ADDR LABELS STATUS > > ceph1a ceph1a _admin mon > > ceph1b ceph1b _admin mon Offline > > ceph1c ceph1c _admin mon Offline > > ceph1d ceph1d Offline > > ceph1e ceph1e Offline > > ceph1f ceph1f Offline > > ceph1g ceph1g mds Offline > > ceph1h ceph1h mds Offline > > Does anyone have a clue how I can fix that? cephadm seems to be broken... > > Thank you for your help. > > Regards, > > Mabi _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
