[Bug 1953339] Re: Failure to install ceph client on ARM64

[Chris Ward]

It looks like I have a mixture of focal and bionic pieces in my
sources.list, which isn't good.

I seem to remember putting back-level entries there because some of the
ceph components were not built for Ubuntu 20.04 . We need them for
Ubuntu 20.04, please could you have a word with your build team to
include them (or raise bugs to indicate why they do not build)

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https://bugs.launchpad.net/bugs/1953339

Title:
  Failure to install ceph client on ARM64

Status in ceph package in Ubuntu:
  Incomplete

Bug description:
  ---Problem Description---
  Fail to install CEPH on ARM64 server

  ---Additional Hardware Info---
  100Gb/s NIC 

  ---uname output---
  Linux cuttlefisharmserver 5.4.0-91-generic #102-Ubuntu SMP Fri Nov 5 16:30:45 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
   
  Machine Type = IBM Research off-the-shelf ARM64 server 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   tjcw at cuttlefisharmserver:~$ sudo apt install --simulate --install-suggests ceph ceph-deploy ceph-common 2>&1|tee inst.log
  [sudo] password for tjcw: 

  WARNING: apt does not have a stable CLI interface. Use with caution in
  scripts.

  Reading package lists...
  Building dependency tree...
  Reading state information...
  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 (= 15.2.14-0ubuntu0.20.04.1) but 16.2.6-1bionic is to be installed
                 Depends: python3-ceph-argparse (= 15.2.14-0ubuntu0.20.04.1) but 16.2.6-1bionic is to be installed
                 Depends: python3-ceph-common (= 15.2.14-0ubuntu0.20.04.1) but 16.2.6-1bionic is to be installed
                 Depends: python3-cephfs (= 15.2.14-0ubuntu0.20.04.1) but it is not going to be installed
                 Depends: python3-rados (= 15.2.14-0ubuntu0.20.04.1) but it is not going to be installed
                 Suggests: ceph-mds but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  tjcw at cuttlefisharmserver:~$ 

   
  Userspace tool common name: apt 
   
  The userspace tool has the following bit modes: 64-bit 

  Userspace rpm: ceph

  Userspace tool obtained from project website:  na

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