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How to solve the problem of can not find / bootstrap-osd/ceph.keyring, many novices are not very clear, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

After the ceph-deploy mon create-initial command is executed, if prompted:

[ceph_deploy.mon] [INFO] Running gathering. [ceph _ deploy.gatherkeys] [DEBUG] Checking manila59 for / etc/ceph/ceph.client.admin.keyring [manila59] [DEBUG] connected to host: manila59 [manila59] [DEBUG] detect platform information from remote host [manila59] [DEBUG] detect machine type [manila59] [DEBUG] fetch remote file [ceph _ deploy.gatherkeys] [WARNIN] Unable to find / etc/ceph/ceph.client.admin.keyring on ['manila59'] [ceph_deploy.gatherkeys] [DEBUG] Have ceph.mon.keyring [ceph _ deploy.gatherkeys] [DEBUG] Checking manila59 for / var/lib/ceph/bootstrap-osd/ceph.keyring [manila59] [DEBUG] connected to host: manila59 [manila59] [DEBUG] detect platform information from remote host [manila59] [DEBUG] detect machine type [manila59] [DEBUG] fetch remote file [ceph _ deploy.gatherkeys] [WARNIN] Unable to find / var/lib/ceph/bootstrap-osd/ceph.keyring on ['manila59'] [ceph_deploy.gatherkeys] [DEBUG] Checking manila59 for / var/lib/ceph/bootstrap-mds/ceph.keyring [manila59] [DEBUG] connected to host: manila59 [manila59] [DEBUG] detect platform information from remote host [manila59] [DEBUG] detect machine type [manila59] [DEBUG] fetch remote file [ceph _ deploy.gatherkeys] [WARNIN] Unable to find / var/lib/ceph/bootstrap-mds/ceph.keyring on ['manila59']

Can execute: [root@manila59 deploy] # ceph-create-keys-- id manila59

The analysis shows that the external network may be connected here, so make sure that the DNS is normal.

After the ceph-deploy osd prepare manila59:/dev/sdb command, if prompted:

[ceph_deploy] [ERROR] RuntimeError: bootstrap-osd keyring not found; run 'gatherkeys'

Perform ceph-deploy gatherkeys manila59:

Then you will look for: / etc/ceph/ceph.client.admin.keyring, then / var/lib/ceph/bootstrap-osd/ceph.keyring and / var/lib/ceph/bootstrap-mds/ceph.keyring, and finally ceph.bootstrap-mds.keyring key from manila59.

Note: the disk zap command does not require permissions, while osd prepare requires bootstrap-mds.keyring.

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