Hi all,
Background: Completely new to Ceph; trying it out on three VMs I have,
following install instructions found at
http://docs.ceph.com/docs/master/start/quick-ceph-deploy/
<http://docs.ceph.com/docs/master/start/quick-ceph-deploy/>
I am at the point in the docs where it says to run 'ceph-deploy osd activate’
on the other two nodes from the first node. I try to do so, but get the
following error:
[root@ceph2 ~]# ceph-deploy osd activate ceph3:/dev/sdc ceph3:/dev/sdd
ceph3:/dev/sde
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO ] Invoked (1.5.25): /bin/ceph-deploy osd activate
ceph3:/dev/sdc ceph3:/dev/sdd ceph3:/dev/sde
[ceph_deploy.osd][DEBUG ] Activating cluster ceph disks ceph3:/dev/sdc:
ceph3:/dev/sdd: ceph3:/dev/sde:
[ceph3][DEBUG ] connected to host: ceph3
[ceph3][DEBUG ] detect platform information from remote host
[ceph3][DEBUG ] detect machine type
[ceph_deploy.osd][INFO ] Distro info: CentOS Linux 7.2.1511 Core
[ceph_deploy.osd][DEBUG ] activating host ceph3 disk /dev/sdc
[ceph_deploy.osd][DEBUG ] will use init type: sysvinit
[ceph3][INFO ] Running command: ceph-disk -v activate --mark-init sysvinit
--mount /dev/sdc
[ceph3][WARNIN] INFO:ceph-disk:Running command: /sbin/blkid -p -s TYPE -ovalue
-- /dev/sdc
[ceph3][WARNIN] ceph-disk: Cannot discover filesystem type: device /dev/sdc:
Line is truncated:
[ceph3][ERROR ] RuntimeError: command returned non-zero exit status: 1
[ceph_deploy][ERROR ] RuntimeError: Failed to execute command: ceph-disk -v
activate --mark-init sysvinit --mount /dev/sdc
In some manual testing, I found that if I ran the listed command, indeed I got
no output:
[root@ceph2 ~]# ssh root@ceph4 /sbin/blkid -p -s TYPE -ovalue -- /dev/sdc
[root@ceph2 ~]#
Then tried taking away the ‘-s TYPE’ and ‘-ovalue' params, I got output as
follows:
[root@ceph2 ~]# ssh root@ceph4 /sbin/blkid -p -- /dev/sdc
/dev/sdc: PTTYPE="gpt"
[root@ceph2 ~]#
So if I modified the original command, but set the ‘-s' param to use “PTTYPE”
instead of “TYPE”, I get a valid response:
[root@ceph2 ~]# ssh root@ceph4 /sbin/blkid -p -s PTTYPE -ovalue -- /dev/sdc
gpt
[root@ceph2 ~]#
Is this a bug in ‘osd activate’ (at least on CentOS 7.2), or is there some way
to specify the blkid parameter to use?
Thanks,
Will
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