Re: My misadventure in trying to install Ceph Emperor

[Ron Gage <ron@xxxxxxxxxxx>]

Alfredo:

As near as I can tell, ceph-create-keys is hanging - or taking a huge amount ot fime to finish.

 

Segment from screen output:

(Make sure that ALL ceph programs/processes are not running)

 

[ceph@cm my-cluster]$ ceph-deploy mon create-initial cm

...

[cm][DEBUG ] === mon.cm ===
[cm][DEBUG ] Starting Ceph mon.cm on cm...
[cm][DEBUG ] Starting ceph-create-keys on cm...
[cm][WARNIN] No data was received after 7 seconds, disconnecting...
[cm][INFO  ] Running command: sudo ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.cm.asok mon_status

...

 

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

 

[ceph@cm my-cluster]$ ps ax | grep -i ceph
 1298 ?        Ss     0:00 sshd: ceph [priv]
 1302 ?        S      0:00 sshd: ceph@pts/0
 2058 pts/0    Sl     0:00 /usr/bin/ceph-mon -i cm --pid-file /var/run/ceph/mon.cm.pid -c /etc/ceph/ceph.conf
 2071 pts/0    S      0:00 python /usr/sbin/ceph-create-keys -i cm
 2081 pts/0    Sl     0:00 python /usr/bin/ceph --cluster=ceph --name=mon. --keyring=/var/lib/ceph/mon/ceph-cm/keyring auth get-or-create client.admin mon allow * osd allow * mds allow
 2212 pts/0    S+     0:00 grep -i ceph
[ceph@cm my-cluster]$

 

 

> On February 14, 2014 at 9:41 AM Alfredo Deza <alfredo.deza@xxxxxxxxxxx> wrote:
>
>
> On Fri, Feb 14, 2014 at 9:38 AM, Ron Gage <ron@xxxxxxxxxxx> wrote:
> > Thanks Alfredo!
> > Would that be /etc/ceph/ceph.conf or ~/my-cluster/ceph.conf
>
> Good question, sorry for the ambiguity. From where you are running
> ceph-deploy, you should have a ceph.conf there, you can edit
> that one file and then call 'ceph-deploy config push {nodes}' where
> {nodes} should be replaced with the server(s) to push the config to.
>
>
> >
> > Ron Gage
> >
> >
> >> On February 14, 2014 at 9:31 AM Alfredo Deza <alfredo.deza@xxxxxxxxxxx>
> >> wrote:
> >>
> >>
> >> On Fri, Feb 14, 2014 at 9:08 AM, Ron Gage <ron@xxxxxxxxxxx> wrote:
> >> > Please see the post you replied to. The admin keyring is not being
> >> > created.
> >> >
> >> > Thanks!
> >> >
> >> > Ron
> >>
> >> There is no need to run other commands instead of create-initial. That
> >> is the best way to get started with monitor deployment.
> >>
> >> From ceph-deploy's perspective, everything has been called correctly
> >> and the output from the node looks correct. The next thing I would
> >> suggest is to bump the log levels of the monitors in ceph.conf and
> >> restart them so that you can inspect a bit better what is going on
> >> there.
> >>
> >> In the [global] section of ceph.conf:
> >>
> >> mon debug = 10
> >>
> >>
> >>
> >> >
> >> >
> >> > On February 14, 2014 at 8:54 AM Srinivasa Rao Ragolu
> >> > <sragolu@xxxxxxxxxx>
> >> > wrote:
> >> >
> >> > Follow the below link as it is
> >> >
> >> > http://karan-mj.blogspot.fi/2013/12/ceph-installation-part-2.html
> >> >
> >> > Thanks,
> >> > Srinivas.
> >> >
> >> >
> >> > On Fri, Feb 14, 2014 at 7:21 PM, Ron Gage <ron@xxxxxxxxxxx> wrote:
> >> >
> >> >
> >> >
> >> >
> >> > [ceph@cm my-cluster]$ ceph-deploy mon create cm
> >> > [ceph_deploy.cli][INFO ] Invoked (1.3.5): /usr/bin/ceph-deploy mon
> >> > create
> >> > cm
> >> > [ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts cm
> >> > [ceph_deploy.mon][DEBUG ] detecting platform for host cm ...
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [ceph_deploy.mon][INFO ] distro info: CentOS 6.5 Final
> >> > [cm][DEBUG ] determining if provided host has same hostname in remote
> >> > [cm][DEBUG ] get remote short hostname
> >> > [cm][DEBUG ] deploying mon to cm
> >> > [cm][DEBUG ] get remote short hostname
> >> > [cm][DEBUG ] remote hostname: cm
> >> > [cm][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf
> >> > [cm][DEBUG ] create the mon path if it does not exist
> >> > [cm][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-cm/done
> >> > [cm][DEBUG ] create a done file to avoid re-doing the mon deployment
> >> > [cm][DEBUG ] create the init path if it does not exist
> >> > [cm][DEBUG ] locating the `service` executable...
> >> > [cm][INFO ] Running command: sudo /sbin/service ceph -c
> >> > /etc/ceph/ceph.conf
> >> > start mon.cm
> >> > [cm][DEBUG ] === mon.cm ===
> >> > [cm][DEBUG ] Starting Ceph mon.cm on cm...
> >> > [cm][DEBUG ] Starting ceph-create-keys on cm...
> >> > [cm][WARNIN] No data was received after 7 seconds, disconnecting...
> >> > [cm][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon
> >> > /var/run/ceph/ceph-mon.cm.asok mon_status
> >> > [cm][DEBUG ]
> >> >
> >> > ********************************************************************************
> >> > [cm][DEBUG ] status for monitor: mon.cm
> >> > [cm][DEBUG ] {
> >> > [cm][DEBUG ] "election_epoch": 1,
> >> > [cm][DEBUG ] "extra_probe_peers": [],
> >> > [cm][DEBUG ] "monmap": {
> >> > [cm][DEBUG ] "created": "0.000000",
> >> > [cm][DEBUG ] "epoch": 1,
> >> > [cm][DEBUG ] "fsid": "b11875f0-e611-40b9-ae81-e7cba7586ed5",
> >> > [cm][DEBUG ] "modified": "0.000000",
> >> > [cm][DEBUG ] "mons": [
> >> > [cm][DEBUG ] {
> >> > [cm][DEBUG ] "addr": " 172.24.12.91:6789/0",
> >> > [cm][DEBUG ] "name": "cm",
> >> > [cm][DEBUG ] "rank": 0
> >> > [cm][DEBUG ] }
> >> > [cm][DEBUG ] ]
> >> > [cm][DEBUG ] },
> >> > [cm][DEBUG ] "name": "cm",
> >> > [cm][DEBUG ] "outside_quorum": [],
> >> > [cm][DEBUG ] "quorum": [
> >> > [cm][DEBUG ] 0
> >> > [cm][DEBUG ] ],
> >> > [cm][DEBUG ] "rank": 0,
> >> > [cm][DEBUG ] "state": "leader",
> >> > [cm][DEBUG ] "sync_provider": []
> >> > [cm][DEBUG ] }
> >> > [cm][DEBUG ]
> >> >
> >> > ********************************************************************************
> >> > [cm][INFO ] monitor: mon.cm is running
> >> > [cm][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon
> >> > /var/run/ceph/ceph-mon.cm.asok mon_status
> >> > [ceph@cm my-cluster]$ ^C
> >> >
> >> > [ceph@cm my-cluster]$ ceph-deploy gatherkeys cm
> >> > [ceph_deploy.cli][INFO ] Invoked (1.3.5): /usr/bin/ceph-deploy
> >> > gatherkeys
> >> > cm
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /etc/ceph/ceph.client.admin.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /etc/ceph/ceph.client.admin.keyring on ['cm']
> >> > [ceph_deploy.gatherkeys][DEBUG ] Have ceph.mon.keyring
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /var/lib/ceph/bootstrap-osd/ceph.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /var/lib/ceph/bootstrap-osd/ceph.keyring on ['cm']
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /var/lib/ceph/bootstrap-mds/ceph.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /var/lib/ceph/bootstrap-mds/ceph.keyring on ['cm']
> >> > [ceph@cm my-cluster]$
> >> >
> >> >
> >> >
> >> >
> >> > On February 14, 2014 at 8:20 AM Ashish Chandra <
> >> > mail.ashishchandra@xxxxxxxxx> wrote:
> >> >
> >> > Hi Ron,
> >> > Can you try running :
> >> >
> >> > ceph-deploy mon create {ceph-node}
> >> >
> >> > ceph-deploy gatherkeys {ceph-node}
> >> >
> >> >
> >> > as two different commands, instead of running
> >> >
> >> >
> >> >
> >> >
> >> > ceph-deploy mon create-initial
> >> >
> >> > and let me know if the problem still persists.
> >> >
> >> > Actually it is not able to find "client.admin.keyring" file as it has
> >> > not
> >> > been created yet.
> >> >
> >> > Thanks
> >> >
> >> > Ashish Chandra
> >> >
> >> >
> >> >
> >> > On Fri, Feb 14, 2014 at 6:15 PM, Ron Gage <ron@xxxxxxxxxxx> wrote:
> >> >
> >> > Greetings all!
> >> > I am trying to deploy a proof of concept system for a replicated fault
> >> > tolerant CIFS server cluster using CEPH as the back end. I am having
> >> > significant trouble getting the CEPH part to install correctly.
> >> > Specifically, I can't get the monitor to come up into a useful state due
> >> > to
> >> > the apparent lack of a keyring or two. Here is the background:
> >> >
> >> > Everything is running on a standalone VMware server with internal
> >> > storage.
> >> > The idea here is to see it work, not to see how well it performs.
> >> >
> >> > Current configuraton: 4 x OSD, 1 x monitor/manager
> >> > OSD: 2 x CPU, 8 gig memory, internal only networking, 16 gig sda for
> >> > boot/root, 160 gig sdb for CEPH store, Centos 6.5 x64 fully up to date,
> >> > minimal install
> >> > mon/mgr: 2 x CPU, 2 gig memory, internal and external networking, 16 gig
> >> > sda, Centos 6.5 x64 fully up to date, minimal install
> >> >
> >> > Since I have made several attempts already to get this working, I
> >> > execute
> >> > the following commands from the mgr to reset everything (logged in as
> >> > user
> >> > ceph)
> >> > ceph-deploy purgedata c1 c2 c3 c4 cm
> >> > ceph-deploy forgetkeys
> >> > ceph-deploy purge c1 c2 c3 c4 cm
> >> > sudo rm -f /etc/ceph/*
> >> > sudo rm -f /var/lib/ceph/mon/*.*
> >> > cd ~/my-cluster
> >> > rm -f *
> >> >
> >> > Now to deploy a straight forward single monitor node:
> >> > ceph-deploy new cm
> >> >
> >> > And to add the public interface to the ceph.conf
> >> > vi ceph.conf
> >> > (add to end of global section) public network = 172.24.0.0/16
> >> >
> >> > Now to install the ceph software in the 5 nodes:
> >> > ceph-deploy install cm c1 c2 c3 c4
> >> > (waiting...waiting...waiting...)
> >> >
> >> > And here is where the problems begin - creating the initial monitor:
> >> > [ceph@cm my-cluster]$ ceph-deploy mon create-initial
> >> > [ceph_deploy.cli][INFO ] Invoked (1.3.5): /usr/bin/ceph-deploy mon
> >> > create-initial
> >> > [ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts cm
> >> > [ceph_deploy.mon][DEBUG ] detecting platform for host cm ...
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [ceph_deploy.mon][INFO ] distro info: CentOS 6.5 Final
> >> > [cm][DEBUG ] determining if provided host has same hostname in remote
> >> > [cm][DEBUG ] get remote short hostname
> >> > [cm][DEBUG ] deploying mon to cm
> >> > [cm][DEBUG ] get remote short hostname
> >> > [cm][DEBUG ] remote hostname: cm
> >> > [cm][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf
> >> > [cm][DEBUG ] create the mon path if it does not exist
> >> > [cm][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-cm/done
> >> > [cm][DEBUG ] create a done file to avoid re-doing the mon deployment
> >> > [cm][DEBUG ] create the init path if it does not exist
> >> > [cm][DEBUG ] locating the `service` executable...
> >> > [cm][INFO ] Running command: sudo /sbin/service ceph -c
> >> > /etc/ceph/ceph.conf
> >> > start mon.cm
> >> > [cm][DEBUG ] === mon.cm ===
> >> > [cm][DEBUG ] Starting Ceph mon.cm on cm...
> >> > [cm][DEBUG ] Starting ceph-create-keys on cm...
> >> > [cm][WARNIN] No data was received after 7 seconds, disconnecting...
> >> > [cm][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon
> >> > /var/run/ceph/ceph-mon.cm.asok mon_status
> >> > [cm][DEBUG ]
> >> >
> >> > ********************************************************************************
> >> > [cm][DEBUG ] status for monitor: mon.cm
> >> > [cm][DEBUG ] {
> >> > [cm][DEBUG ] "election_epoch": 1,
> >> > [cm][DEBUG ] "extra_probe_peers": [],
> >> > [cm][DEBUG ] "monmap": {
> >> > [cm][DEBUG ] "created": "0.000000",
> >> > [cm][DEBUG ] "epoch": 1,
> >> > [cm][DEBUG ] "fsid": "b11875f0-e611-40b9-ae81-e7cba7586ed5",
> >> > [cm][DEBUG ] "modified": "0.000000",
> >> > [cm][DEBUG ] "mons": [
> >> > [cm][DEBUG ] {
> >> > [cm][DEBUG ] "addr": " 172.24.12.91:6789/0",
> >> > [cm][DEBUG ] "name": "cm",
> >> > [cm][DEBUG ] "rank": 0
> >> > [cm][DEBUG ] }
> >> > [cm][DEBUG ] ]
> >> > [cm][DEBUG ] },
> >> > [cm][DEBUG ] "name": "cm",
> >> > [cm][DEBUG ] "outside_quorum": [],
> >> > [cm][DEBUG ] "quorum": [
> >> > [cm][DEBUG ] 0
> >> > [cm][DEBUG ] ],
> >> > [cm][DEBUG ] "rank": 0,
> >> > [cm][DEBUG ] "state": "leader",
> >> > [cm][DEBUG ] "sync_provider": []
> >> > [cm][DEBUG ] }
> >> > [cm][DEBUG ]
> >> >
> >> > ********************************************************************************
> >> > [cm][INFO ] monitor: mon.cm is running
> >> > [cm][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon
> >> > /var/run/ceph/ceph-mon.cm.asok mon_status
> >> > [ceph_deploy.mon][INFO ] processing monitor mon.cm
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][INFO ] Running command: sudo ceph --cluster=ceph --admin-daemon
> >> > /var/run/ceph/ceph-mon.cm.asok mon_status
> >> > [ceph_deploy.mon][INFO ] mon.cm monitor has reached quorum!
> >> > [ceph_deploy.mon][INFO ] all initial monitors are running and have
> >> > formed
> >> > quorum
> >> > [ceph_deploy.mon][INFO ] Running gatherkeys...
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /etc/ceph/ceph.client.admin.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /etc/ceph/ceph.client.admin.keyring on ['cm']
> >> > [ceph_deploy.gatherkeys][DEBUG ] Have ceph.mon.keyring
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /var/lib/ceph/bootstrap-osd/ceph.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /var/lib/ceph/bootstrap-osd/ceph.keyring on ['cm']
> >> > [ceph_deploy.gatherkeys][DEBUG ] Checking cm for
> >> > /var/lib/ceph/bootstrap-mds/ceph.keyring
> >> > [cm][DEBUG ] connected to host: cm
> >> > [cm][DEBUG ] detect platform information from remote host
> >> > [cm][DEBUG ] detect machine type
> >> > [cm][DEBUG ] fetch remote file
> >> > [ceph_deploy.gatherkeys][WARNIN] Unable to find
> >> > /var/lib/ceph/bootstrap-mds/ceph.keyring on ['cm']
> >> > [ceph@cm my-cluster]$
> >> >
> >> >
> >> > From my untrained eye, it looks like several key files aren't either
> >> > being
> >> > created or copied to the expected place.
> >> >
> >> > Contents of ~/my-cluster:
> >> > [ceph@cm my-cluster]$ ls
> >> > ceph.conf ceph.log ceph.mon.keyring epel-release-6-8.noarch.rpm
> >> >
> >> > Contents of /var/lib/ceph/mon/ceph-cm:
> >> >
> >> > [ceph@cm ceph-cm]$ ls -R .: done keyring store.db sysvinit
> >> >
> >> > ./store.db: 000016.sst 000021.sst CURRENT LOG 000018.sst 000022.log
> >> > LOCK MANIFEST-000020
> >> >
> >> > Contents of /etc/ceph:
> >> >
> >> > [ceph@cm ceph]$ ls
> >> > ceph.client.admin.keyring.5704.tmp ceph.conf rbdmap
> >> >
> >> > As you can plainly see, I have followed the directions in the "quick
> >> > start"
> >> > deployment guide on ceph.com
> >> > (http://ceph.com/docs/master/start/quick-ceph-deploy/#create-a-cluster).
> >> >
> >> > What am I missing? Are the directions incomplete (or wrong)?
> >> >
> >> >
> >> >
> >> > HELP!
> >> >
> >> >
> >> >
> >> > Ron Gage
> >> > Westland, Michigan
> >> >
> >> > Please be sure to check out My Photography Website
> >> >
> >> > _______________________________________________
> >> > ceph-users mailing list
> >> > ceph-users@xxxxxxxxxxxxxx
> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >> >
> >> >
> >> >
> >> > Ron Gage
> >> > Westland, Michigan
> >> >
> >> > Please be sure to check out My Photography Website
> >> >
> >> > _______________________________________________
> >> > ceph-users mailing list
> >> > ceph-users@xxxxxxxxxxxxxx
> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >> >
> >> >
> >> >
> >> > Ron Gage
> >> > Westland, Michigan
> >> >
> >> > Please be sure to check out My Photography Website
> >> >
> >> >
> >> > _______________________________________________
> >> > ceph-users mailing list
> >> > ceph-users@xxxxxxxxxxxxxx
> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >> >
> > Ron Gage
> > Westland, Michigan
> >
> > Please be sure to check out My Photography Website
> >

Ron Gage
Westland, Michigan

Please be sure to check out My Photography Website

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