I used strace and got entries like this:
Jul 06 11:07:29 et32.et.eng.bos.redhat.com strace[19754]: open("/var/lib/ceph/osd/ceph-1/type", O_RDONLY) = -1 EACCES (Permission denied)
I can't recreate the permission issues when running as the ceph user: I changed the ceph user's shell to /bin/bash, did a su ceph, and navigated to the directory and catted the files. I had no issues.
I think it has something to do with systemd -- does systemd enforce any limitations beyond setting the user and group to ceph?
On Wed, Jul 6, 2016 at 10:08 AM, Samuel Just <sjust@xxxxxxxxxx> wrote:
Try strace.
-Sam
> _______________________________________________
On Wed, Jul 6, 2016 at 7:53 AM, RJ Nowling <rnowling@xxxxxxxxxx> wrote:
> Hi all,
>
> I'm trying to use the ceph-ansible playbooks to deploy onto baremetal. I'm
> currently testing with the approach that uses an existing filesystem rather
> than giving raw access to the disks.
>
> The OSDs are failing to start:
>
> 2016-07-06 10:48:50.249976 7fa410aef800 0 set uid:gid to 167:167
> (ceph:ceph)
> 2016-07-06 10:48:50.250021 7fa410aef800 0 ceph version 10.2.2
> (45107e21c568dd033c2f0a3107dec8f0b0e58374), process ceph-osd, pid 19104
> 2016-07-06 10:48:50.250221 7fa410aef800 -1 ** ERROR: unable to open OSD
> superblock on /var/lib/ceph/osd/ceph-1: (13) Permission denied
>
> The directories seem to be owned by the ceph user and group. That said, I'm
> putting my data under /home/ceph-data (owned by ceph:ceph) which is on a
> different filesystem with /var/lib/ceph/osd/ceph-1 being a symlink (owned by
> ceph:ceph) .
>
> Any suggestions as to where the permission denied might be coming from?
>
> Thanks!
> RJ
>
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> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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