hi fellow users, I am setting up a ceph cluster with 3 monitors, 4 osds on CentOS 7.1
Each of the nodes have 2 NICs. 10.31.141.0/23 is the public n/w and 192.168.10.0/24 is the cluster n/w. Completed the "Preflight Checklist" <http://docs.ceph.com/docs/master/start/quick-start-preflight/>. But in the "Storage Cluster Quick Start" <http://docs.ceph.com/docs/master/start/quick-ceph-deploy/>, while doing "ceph-deploy create-initial" I see error "Some monitors have still not reached quorum". [ceph@ceph-mgmt ceph-cluster]$ ceph-deploy --overwrite-conf mon create-initial [ceph_deploy.conf][DEBUG ] found configuration file at: /home/ceph/.cephdeploy.conf [ceph_deploy.cli][INFO ] Invoked (1.5.30): /usr/bin/ceph-deploy --overwrite-conf mon create-initial [ceph_deploy.cli][INFO ] ceph-deploy options: [ceph_deploy.cli][INFO ] username : None [ceph_deploy.cli][INFO ] verbose : False [ceph_deploy.cli][INFO ] overwrite_conf : True [ceph_deploy.cli][INFO ] subcommand : create-initial [ceph_deploy.cli][INFO ] quiet : False [ceph_deploy.cli][INFO ] cd_conf : <ceph_deploy.conf.cephdeploy.Conf instance at 0x1fe7488> [ceph_deploy.cli][INFO ] cluster : ceph [ceph_deploy.cli][INFO ] func : <function mon at 0x1fd6e60> [ceph_deploy.cli][INFO ] ceph_conf : None [ceph_deploy.cli][INFO ] default_release : False [ceph_deploy.cli][INFO ] keyrings : None [ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts ceph-mon1 ceph-mon2 ceph-mon3 [ceph_deploy.mon][DEBUG ] detecting platform for host ceph-mon1 ... [ceph-mon1][DEBUG ] connection detected need for sudo [ceph-mon1][DEBUG ] connected to host: ceph-mon1 [ceph-mon1][DEBUG ] detect platform information from remote host [ceph-mon1][DEBUG ] detect machine type [ceph-mon1][DEBUG ] find the location of an executable [ceph_deploy.mon][INFO ] distro info: CentOS Linux 7.1.1503 Core [ceph-mon1][DEBUG ] determining if provided host has same hostname in remote [ceph-mon1][DEBUG ] get remote short hostname [ceph-mon1][DEBUG ] deploying mon to ceph-mon1 [ceph-mon1][DEBUG ] get remote short hostname [ceph-mon1][DEBUG ] remote hostname: ceph-mon1 [ceph-mon1][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf [ceph-mon1][DEBUG ] create the mon path if it does not exist [ceph-mon1][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-ceph-mon1/done [ceph-mon1][DEBUG ] create a done file to avoid re-doing the mon deployment [ceph-mon1][DEBUG ] create the init path if it does not exist [ceph-mon1][INFO ] Running command: sudo systemctl enable ceph.target [ceph-mon1][INFO ] Running command: sudo systemctl enable ceph-mon@ceph-mon1 [ceph-mon1][INFO ] Running command: sudo systemctl start ceph-mon@ceph-mon1 [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph-mon1][DEBUG ] ******************************************************************************** [ceph-mon1][DEBUG ] status for monitor: mon.ceph-mon1 [ceph-mon1][DEBUG ] { [ceph-mon1][DEBUG ] "election_epoch": 0, [ceph-mon1][DEBUG ] "extra_probe_peers": [ [ceph-mon1][DEBUG ] "192.168.10.3:6789/0", [ceph-mon1][DEBUG ] "192.168.10.4:6789/0", [ceph-mon1][DEBUG ] "192.168.10.5:6789/0" [ceph-mon1][DEBUG ] ], [ceph-mon1][DEBUG ] "monmap": { [ceph-mon1][DEBUG ] "created": "0.000000", [ceph-mon1][DEBUG ] "epoch": 0, [ceph-mon1][DEBUG ] "fsid": "d6ca9ac6-bfb9-4464-a128-459068637924", [ceph-mon1][DEBUG ] "modified": "0.000000", [ceph-mon1][DEBUG ] "mons": [ [ceph-mon1][DEBUG ] { [ceph-mon1][DEBUG ] "addr": "10.31.141.76:6789/0", [ceph-mon1][DEBUG ] "name": "ceph-mon1", [ceph-mon1][DEBUG ] "rank": 0 [ceph-mon1][DEBUG ] }, [ceph-mon1][DEBUG ] { [ceph-mon1][DEBUG ] "addr": "0.0.0.0:0/1", [ceph-mon1][DEBUG ] "name": "ceph-mon2", [ceph-mon1][DEBUG ] "rank": 1 [ceph-mon1][DEBUG ] }, [ceph-mon1][DEBUG ] { [ceph-mon1][DEBUG ] "addr": "0.0.0.0:0/2", [ceph-mon1][DEBUG ] "name": "ceph-mon3", [ceph-mon1][DEBUG ] "rank": 2 [ceph-mon1][DEBUG ] } [ceph-mon1][DEBUG ] ] [ceph-mon1][DEBUG ] }, [ceph-mon1][DEBUG ] "name": "ceph-mon1", [ceph-mon1][DEBUG ] "outside_quorum": [ [ceph-mon1][DEBUG ] "ceph-mon1" [ceph-mon1][DEBUG ] ], [ceph-mon1][DEBUG ] "quorum": [], [ceph-mon1][DEBUG ] "rank": 0, [ceph-mon1][DEBUG ] "state": "probing", [ceph-mon1][DEBUG ] "sync_provider": [] [ceph-mon1][DEBUG ] } [ceph-mon1][DEBUG ] ******************************************************************************** [ceph-mon1][INFO ] monitor: mon.ceph-mon1 is running [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][DEBUG ] detecting platform for host ceph-mon2 ... Warning: Permanently added the ECDSA host key for IP address '10.31.141.77' to the list of known hosts. [ceph-mon2][DEBUG ] connection detected need for sudo [ceph-mon2][DEBUG ] connected to host: ceph-mon2 [ceph-mon2][DEBUG ] detect platform information from remote host [ceph-mon2][DEBUG ] detect machine type [ceph-mon2][DEBUG ] find the location of an executable [ceph_deploy.mon][INFO ] distro info: CentOS Linux 7.1.1503 Core [ceph-mon2][DEBUG ] determining if provided host has same hostname in remote [ceph-mon2][DEBUG ] get remote short hostname [ceph-mon2][DEBUG ] deploying mon to ceph-mon2 [ceph-mon2][DEBUG ] get remote short hostname [ceph-mon2][DEBUG ] remote hostname: ceph-mon2 [ceph-mon2][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf [ceph-mon2][DEBUG ] create the mon path if it does not exist [ceph-mon2][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-ceph-mon2/done [ceph-mon2][DEBUG ] create a done file to avoid re-doing the mon deployment [ceph-mon2][DEBUG ] create the init path if it does not exist [ceph-mon2][INFO ] Running command: sudo systemctl enable ceph.target [ceph-mon2][INFO ] Running command: sudo systemctl enable ceph-mon@ceph-mon2 [ceph-mon2][INFO ] Running command: sudo systemctl start ceph-mon@ceph-mon2 [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph-mon2][DEBUG ] ******************************************************************************** [ceph-mon2][DEBUG ] status for monitor: mon.ceph-mon2 [ceph-mon2][DEBUG ] { [ceph-mon2][DEBUG ] "election_epoch": 0, [ceph-mon2][DEBUG ] "extra_probe_peers": [ [ceph-mon2][DEBUG ] "192.168.10.3:6789/0", [ceph-mon2][DEBUG ] "192.168.10.4:6789/0", [ceph-mon2][DEBUG ] "192.168.10.5:6789/0" [ceph-mon2][DEBUG ] ], [ceph-mon2][DEBUG ] "monmap": { [ceph-mon2][DEBUG ] "created": "0.000000", [ceph-mon2][DEBUG ] "epoch": 0, [ceph-mon2][DEBUG ] "fsid": "d6ca9ac6-bfb9-4464-a128-459068637924", [ceph-mon2][DEBUG ] "modified": "0.000000", [ceph-mon2][DEBUG ] "mons": [ [ceph-mon2][DEBUG ] { [ceph-mon2][DEBUG ] "addr": "10.31.141.77:6789/0", [ceph-mon2][DEBUG ] "name": "ceph-mon2", [ceph-mon2][DEBUG ] "rank": 0 [ceph-mon2][DEBUG ] }, [ceph-mon2][DEBUG ] { [ceph-mon2][DEBUG ] "addr": "0.0.0.0:0/1", [ceph-mon2][DEBUG ] "name": "ceph-mon1", [ceph-mon2][DEBUG ] "rank": 1 [ceph-mon2][DEBUG ] }, [ceph-mon2][DEBUG ] { [ceph-mon2][DEBUG ] "addr": "0.0.0.0:0/2", [ceph-mon2][DEBUG ] "name": "ceph-mon3", [ceph-mon2][DEBUG ] "rank": 2 [ceph-mon2][DEBUG ] } [ceph-mon2][DEBUG ] ] [ceph-mon2][DEBUG ] }, [ceph-mon2][DEBUG ] "name": "ceph-mon2", [ceph-mon2][DEBUG ] "outside_quorum": [ [ceph-mon2][DEBUG ] "ceph-mon2" [ceph-mon2][DEBUG ] ], [ceph-mon2][DEBUG ] "quorum": [], [ceph-mon2][DEBUG ] "rank": 0, [ceph-mon2][DEBUG ] "state": "probing", [ceph-mon2][DEBUG ] "sync_provider": [] [ceph-mon2][DEBUG ] } [ceph-mon2][DEBUG ] ******************************************************************************** [ceph-mon2][INFO ] monitor: mon.ceph-mon2 is running [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][DEBUG ] detecting platform for host ceph-mon3 ... Warning: Permanently added the ECDSA host key for IP address '10.31.141.78' to the list of known hosts. [ceph-mon3][DEBUG ] connection detected need for sudo [ceph-mon3][DEBUG ] connected to host: ceph-mon3 [ceph-mon3][DEBUG ] detect platform information from remote host [ceph-mon3][DEBUG ] detect machine type [ceph-mon3][DEBUG ] find the location of an executable [ceph_deploy.mon][INFO ] distro info: CentOS Linux 7.1.1503 Core [ceph-mon3][DEBUG ] determining if provided host has same hostname in remote [ceph-mon3][DEBUG ] get remote short hostname [ceph-mon3][DEBUG ] deploying mon to ceph-mon3 [ceph-mon3][DEBUG ] get remote short hostname [ceph-mon3][DEBUG ] remote hostname: ceph-mon3 [ceph-mon3][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf [ceph-mon3][DEBUG ] create the mon path if it does not exist [ceph-mon3][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-ceph-mon3/done [ceph-mon3][DEBUG ] create a done file to avoid re-doing the mon deployment [ceph-mon3][DEBUG ] create the init path if it does not exist [ceph-mon3][INFO ] Running command: sudo systemctl enable ceph.target [ceph-mon3][INFO ] Running command: sudo systemctl enable ceph-mon@ceph-mon3 [ceph-mon3][INFO ] Running command: sudo systemctl start ceph-mon@ceph-mon3 [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph-mon3][DEBUG ] ******************************************************************************** [ceph-mon3][DEBUG ] status for monitor: mon.ceph-mon3 [ceph-mon3][DEBUG ] { [ceph-mon3][DEBUG ] "election_epoch": 0, [ceph-mon3][DEBUG ] "extra_probe_peers": [ [ceph-mon3][DEBUG ] "192.168.10.3:6789/0", [ceph-mon3][DEBUG ] "192.168.10.4:6789/0", [ceph-mon3][DEBUG ] "192.168.10.5:6789/0" [ceph-mon3][DEBUG ] ], [ceph-mon3][DEBUG ] "monmap": { [ceph-mon3][DEBUG ] "created": "0.000000", [ceph-mon3][DEBUG ] "epoch": 0, [ceph-mon3][DEBUG ] "fsid": "d6ca9ac6-bfb9-4464-a128-459068637924", [ceph-mon3][DEBUG ] "modified": "0.000000", [ceph-mon3][DEBUG ] "mons": [ [ceph-mon3][DEBUG ] { [ceph-mon3][DEBUG ] "addr": "10.31.141.78:6789/0", [ceph-mon3][DEBUG ] "name": "ceph-mon3", [ceph-mon3][DEBUG ] "rank": 0 [ceph-mon3][DEBUG ] }, [ceph-mon3][DEBUG ] { [ceph-mon3][DEBUG ] "addr": "0.0.0.0:0/1", [ceph-mon3][DEBUG ] "name": "ceph-mon1", [ceph-mon3][DEBUG ] "rank": 1 [ceph-mon3][DEBUG ] }, [ceph-mon3][DEBUG ] { [ceph-mon3][DEBUG ] "addr": "0.0.0.0:0/2", [ceph-mon3][DEBUG ] "name": "ceph-mon2", [ceph-mon3][DEBUG ] "rank": 2 [ceph-mon3][DEBUG ] } [ceph-mon3][DEBUG ] ] [ceph-mon3][DEBUG ] }, [ceph-mon3][DEBUG ] "name": "ceph-mon3", [ceph-mon3][DEBUG ] "outside_quorum": [ [ceph-mon3][DEBUG ] "ceph-mon3" [ceph-mon3][DEBUG ] ], [ceph-mon3][DEBUG ] "quorum": [], [ceph-mon3][DEBUG ] "rank": 0, [ceph-mon3][DEBUG ] "state": "probing", [ceph-mon3][DEBUG ] "sync_provider": [] [ceph-mon3][DEBUG ] } [ceph-mon3][DEBUG ] ******************************************************************************** [ceph-mon3][INFO ] monitor: mon.ceph-mon3 is running [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][INFO ] processing monitor mon.ceph-mon1 [ceph-mon1][DEBUG ] connection detected need for sudo [ceph-mon1][DEBUG ] connected to host: ceph-mon1 [ceph-mon1][DEBUG ] detect platform information from remote host [ceph-mon1][DEBUG ] detect machine type [ceph-mon1][DEBUG ] find the location of an executable [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon1 monitor is not yet in quorum, tries left: 5 [ceph_deploy.mon][WARNIN] waiting 5 seconds before retrying [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon1 monitor is not yet in quorum, tries left: 4 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon1 monitor is not yet in quorum, tries left: 3 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon1 monitor is not yet in quorum, tries left: 2 [ceph_deploy.mon][WARNIN] waiting 15 seconds before retrying [ceph-mon1][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon1.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon1 monitor is not yet in quorum, tries left: 1 [ceph_deploy.mon][WARNIN] waiting 20 seconds before retrying [ceph_deploy.mon][INFO ] processing monitor mon.ceph-mon2 [ceph-mon2][DEBUG ] connection detected need for sudo [ceph-mon2][DEBUG ] connected to host: ceph-mon2 [ceph-mon2][DEBUG ] detect platform information from remote host [ceph-mon2][DEBUG ] detect machine type [ceph-mon2][DEBUG ] find the location of an executable [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon2 monitor is not yet in quorum, tries left: 5 [ceph_deploy.mon][WARNIN] waiting 5 seconds before retrying [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon2 monitor is not yet in quorum, tries left: 4 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon2 monitor is not yet in quorum, tries left: 3 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon2 monitor is not yet in quorum, tries left: 2 [ceph_deploy.mon][WARNIN] waiting 15 seconds before retrying [ceph-mon2][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon2.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon2 monitor is not yet in quorum, tries left: 1 [ceph_deploy.mon][WARNIN] waiting 20 seconds before retrying [ceph_deploy.mon][INFO ] processing monitor mon.ceph-mon3 [ceph-mon3][DEBUG ] connection detected need for sudo [ceph-mon3][DEBUG ] connected to host: ceph-mon3 [ceph-mon3][DEBUG ] detect platform information from remote host [ceph-mon3][DEBUG ] detect machine type [ceph-mon3][DEBUG ] find the location of an executable [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon3 monitor is not yet in quorum, tries left: 5 [ceph_deploy.mon][WARNIN] waiting 5 seconds before retrying [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon3 monitor is not yet in quorum, tries left: 4 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon3 monitor is not yet in quorum, tries left: 3 [ceph_deploy.mon][WARNIN] waiting 10 seconds before retrying [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon3 monitor is not yet in quorum, tries left: 2 [ceph_deploy.mon][WARNIN] waiting 15 seconds before retrying [ceph-mon3][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.ceph-mon3.asok mon_status [ceph_deploy.mon][WARNIN] mon.ceph-mon3 monitor is not yet in quorum, tries left: 1 [ceph_deploy.mon][WARNIN] waiting 20 seconds before retrying [ceph_deploy.mon][ERROR ] Some monitors have still not reached quorum: [ceph_deploy.mon][ERROR ] ceph-mon2 [ceph_deploy.mon][ERROR ] ceph-mon3 [ceph_deploy.mon][ERROR ] ceph-mon1 I tried enlisting 192168.10.x IPs for mon_host in the ceph.conf file, but still monitors are not joining the quorum. On all nodes the /etc/hosts file is $ cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 10.31.141.75 ceph-mgmt 10.31.141.76 ceph-mon1 10.31.141.77 ceph-mon2 10.31.141.78 ceph-mon3 #192.168.10.2 ceph-mgmt #192.168.10.3 ceph-mon1 #192.168.10.4 ceph-mon2 #192.168.10.5 ceph-mon3 192.168.10.6 ceph-node1 192.168.10.7 ceph-node2 192.168.10.8 ceph-node3 192.168.10.9 ceph-node4 [ceph@ceph-mgmt ceph-cluster]$ cat ceph.conf [global] fsid = 5448338e-aa85-4251-9e27-e38f35bd4b34 mon_initial_members = ceph-mon1, ceph-mon2, ceph-mon3 #mon_host = 192.168.10.3,192.168.10.4,192.168.10.5 mon_host = 10.31.141.76, 10.31.141.77, 10.31.141.78 auth_cluster_required = none auth_service_required = none auth_client_required = none #auth_cluster_required = cephx #auth_service_required = cephx #auth_client_required = cephx filestore_xattr_use_omap = true public network = 10.31.141.0/23 cluster network = 192.168.10.0/24 Thanks, Maruthi Seshidhar
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