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I follow the instructions to bootstrap a new Ceph (I'm new to Ceph) cluster. I got the following error:

sudo cephadm bootstrap --mon-ip <mon-ip>

INFO:cephadm:Verifying podman|docker is present...
INFO:cephadm:Verifying lvm2 is present...
INFO:cephadm:Verifying time synchronization is in place...
INFO:cephadm:Unit systemd-timesyncd.service is enabled and running
INFO:cephadm:Repeating the final host check...
INFO:cephadm:podman|docker (/usr/bin/podman) is present
INFO:cephadm:systemctl is present
INFO:cephadm:lvcreate is present
INFO:cephadm:Unit systemd-timesyncd.service is enabled and running
INFO:cephadm:Host looks OK
INFO:root:Cluster fsid: e08484be-72c1-11ea-a13e-0050563f093a
INFO:cephadm:Verifying IP *<mon-ip>* port 3300 ...
INFO:cephadm:Verifying IP *<mon-ip>* port 6789 ...
ERROR: Failed to infer CIDR network for mon ip *<mon-ip>*; pass --skip-mon-network to configure it later

What does it mean ? How to fix it ?

Alexandre A.
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  • I am still struggling with this problem. How can the probelm: ERROR: Failed to infer CIDR network for mon ip .... ? – Ralph Apr 14 '20 at 09:53

2 Answers2

0

cephadm is still fairly new. I've tracked a few days ago in:

https://tracker.ceph.com/issues/44828

Please run 

ceph config set mon public_network <mon_network>

after bootstrap finished.

Sebastian Wagner
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  • Hi, I know you created this issue for me. I posted it here before talking to you on IRC #ceph ) Anyway, I'm blocked down the road with ssh config ;) – Alexandre A. Apr 04 '20 at 15:37
-1

Is this the exact command you ran?

sudo cephadm bootstrap --mon-ip *<mon-ip>*

If so you actually need to replace *<mon-ip>* with the actual IP address that you want the monitor daemon to listen on.

For future reference, on that page, any command you see that has a variable surrounded by asterisks is something you would need to replace with an address/host/hostname etc. that applies to your environment.

Eddie Garcia
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  • No, it was not a placeholder, it was my actual IP address. I would doubt it would produce this error with a placeholder :) – Alexandre A. Apr 04 '20 at 15:32