Cant install ceph client for cephfs

UCS - Univention Corporate Server
,
1

I trying to install CEPH common package to mount cephfs

root@fxr-store2:~# apt -y update && apt upgrade
..
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.

root@fxr-store2:~# uname -a
Linux fxr-store2 4.9.0-8-amd64 #1 SMP Debian 4.9.130-2 (2018-10-27) x86_64 GNU/Linux
root@fxr-store2:~# apt install ceph-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ceph-common : Depends: librgw2 (>= 10.2.11) but it is not going to be installed
E: Unable to correct problems, you have held broken packages

more problems with luminous repo:

root@fxr-store2:~# echo deb https://download.ceph.com/debian-luminous/ stretch main > /etc/apt/sources.list.d/download_ceph_com_debian_luminous.list
root@fxr-store2:~# apt -y update 
root@fxr-store2:~# apt install ceph-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ceph-common : Depends: librbd1 (= 12.2.11-1~bpo90+1) but it is not going to be installed
               Depends: python-cephfs (= 12.2.11-1~bpo90+1) but it is not going to be installed
               Depends: python-rados (= 12.2.11-1~bpo90+1) but it is not going to be installed
               Depends: python-rbd (= 12.2.11-1~bpo90+1) but it is not going to be installed
               Depends: python-rgw (= 12.2.11-1~bpo90+1) but it is not going to be installed
               Depends: libcephfs2 but it is not going to be installed
               Depends: libgoogle-perftools4 but it is not going to be installed
               Depends: libibverbs1 (>= 1.1.6) but it is not installable
               Depends: libleveldb1v5 but it is not installable
               Depends: librados2 but it is not going to be installed
               Depends: libradosstriper1 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

can anyone help?

2 
dpkg --get-selections | grep hold

shows nothing

3

Hey,

activate the “unmaintained” repository and try again.

m.

4

thank a lot !

this helps me - got luminous relese:

ucr set repository/online/unmaintained=yes
echo deb https://download.ceph.com/debian-luminous/ stretch main > /etc/apt/sources.list.d/download_ceph_com_debian_luminous.list
apt -y update
apt install ceph-common
ceph -v
ceph version 12.2.11 (26dc3775efc7bb286a1d6d66faee0ba30ea23eee) luminous (stable)