How to Solve ceph-deploy Error (Three Errors)

carried out:

ceph-deploy mon create-initial

Error:

[ceph_deploy][ERROR] KeyNotFoundError: Could not find keyring file: /etc/ceph/ceph.client.admin.keyring on host node1

[ceph_deploy][ERROR] KeyNotFoundError: Could not find keyring file: /etc/ceph/ceph.client.admin.keyring on host node2

[ceph_deploy][ERROR] KeyNotFoundError: Could not find keyring file: /etc/ceph/ceph.client.admin.keyring on host node3

solve:

ceph auth get-or-create client.admin mon’allow *’mds’allow *’osd’allow *’–o /etc/ceph/ceph.client.admin.keyring

or

ceph-create-keys –id node1

ceph-create-keys –id node2

ceph-create-keys –id node3

Error 2:

[ceph_deploy.mon][ERROR]Some monitors have still not reached quorum:

[ceph_deploy.mon][ERROR]node1

solve:

It can’t be solved for the time being, I have solved the error 3 after starting from the beginning:

————————————————– ———————————–

Implementation: rbd list 

Error 3: 

2018-08-19 10:31:08.047481 7f1f6c1d7700 0 – 192.168.4.1:0/3336722177 >> 192.168.4.2:6804/9634 pipe(0x55db04d46b20 sd=4 :0 s=1 pgs=0 cs=0 l=1 c=0x55db04d45db0).fault

Troubleshooting:

[[email protected] ceph-cluster]# ll /dev/vdb{1,2}
brw-rw—-. 1 root disk 252, 17 Aug 19 10:24 /dev/vdb1
brw-rw—-. 1 root disk 252, 18 Aug 19 10:24 /dev/vdb2

The problem is: the owner of /dev/vdb1 /dev/vdb2 is not ceph

solve:

[[email protected] ceph-cluster]# ll /dev/vdb{1,2}
brw-rw—-. 1 ceph ceph 252, 17 Aug 19 10:24 /dev/vdb1
brw-rw—-. 1 ceph ceph 252, 18 Aug 19 10:24 /dev/vdb2

chown ceph.ceph /dev/vdb{1,2}

[[email protected] ceph-cluster]# ll /dev/vdb{1,2}
brw-rw—-. 1 ceph ceph 252, 17 Aug 19 10:24 /dev/vdb1
brw-rw—-. 1 ceph ceph 252, 18 Aug 19 10:24 /dev/vdb2

[[email protected] ceph-cluster]# ceph-deploy osd activate node1:/dev/vdc1 node1:/dev/vdd1

[[email protected] ceph-cluster]# ceph-deploy osd activate node2:/dev/vdc1 node2:/dev/vdd1

[[email protected] ceph-cluster]# ceph-deploy osd activate node3:/dev/vdc1 node3:/dev/vdd1


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