Hello Yoann. I am working with similar issues at the moment in a biotech
company in Denmark.

First of all what authentication setup are you using?
If you are using sssd there is a very simple and useful utility called
sss_override
You can óverride' the uid which you get from LDAP with the genuine one.

Oops. On reading your email more closely.
Why not just add ceph to your /etc/group  file?





On 15 May 2018 at 08:58, Yoann Moulin <yoann.mou...@epfl.ch> wrote:

> Hello,
>
> I'm facing an issue with ceph's UID/GID 65045 on an LDAPized server, I
> have to install ceph-common to mount a cephfs filesystem but ceph-common
> fails because a user with uid 65045 already exist with a group also set at
> 65045.
>
> Server under Ubuntu 16.04.4 LTS
>
> > Setting up ceph-common (12.2.5-1xenial) ...
> > Adding system user ceph....done
> > Setting system user ceph properties..usermod: group 'ceph' does not exist
> > dpkg: error processing package ceph-common (--configure):
> >  subprocess installed post-installation script returned error exit
> status 6
>
> The user is correctly created but the group not.
>
> > # grep ceph /etc/passwd
> > ceph:x:64045:64045::/home/ceph:/bin/false
> > # grep ceph /etc/group
> > #
> Is there a workaround for that?
>
> --
> Yoann Moulin
> EPFL IC-IT
> _______________________________________________
> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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