More info on problem 2:
When starting the dashboard, the mgr seems to try to initialise cephadm,
which in turn uses python crypto libraries that lead to the python error:
$ ceph crash info
2024-01-12T11:10:03.938478Z_2263d2c8-8120-417e-84bc-bb01f5d81e52
{
"backtrace": [
" File \"/usr/share/ceph/mgr/cephadm/__init__.py\", line 1, in
<module>\n from .module import CephadmOrchestrator",
" File \"/usr/share/ceph/mgr/cephadm/module.py\", line 15, in
<module>\n from cephadm.service_discovery import ServiceDiscovery",
" File \"/usr/share/ceph/mgr/cephadm/service_discovery.py\",
line 20, in <module>\n from cephadm.ssl_cert_utils import SSLCerts",
" File \"/usr/share/ceph/mgr/cephadm/ssl_cert_utils.py\", line
8, in <module>\n from cryptography import x509",
" File
\"/lib/python3/dist-packages/cryptography/x509/__init__.py\", line 6, in
<module>\n from cryptography.x509 import certificate_transparency",
" File
\"/lib/python3/dist-packages/cryptography/x509/certificate_transparency.py\",
line 10, in <module>\n from cryptography.hazmat.bindings._rust import
x509 as rust_x509",
"ImportError: PyO3 modules may only be initialized once per
interpreter process"
],
"ceph_version": "18.2.1",
"crash_id":
"2024-01-12T11:10:03.938478Z_2263d2c8-8120-417e-84bc-bb01f5d81e52",
"entity_name": "mgr.xxxxx01",
"mgr_module": "cephadm",
"mgr_module_caller": "PyModule::load_subclass_of",
"mgr_python_exception": "ImportError",
"os_id": "12",
"os_name": "Debian GNU/Linux 12 (bookworm)",
"os_version": "12 (bookworm)",
"os_version_id": "12",
"process_name": "ceph-mgr",
"stack_sig":
"7815ad73ced094695056319d1241bf7847da19b4b0dfee7a216407b59a7e3d84",
"timestamp": "2024-01-12T11:10:03.938478Z",
"utsname_hostname": "xxxxx01.xxx.xxx",
"utsname_machine": "x86_64",
"utsname_release": "6.1.0-17-amd64",
"utsname_sysname": "Linux",
"utsname_version": "#1 SMP PREEMPT_DYNAMIC Debian 6.1.69-1
(2023-12-30)"
}
On 12/01/2024 12:39, Chris Palmer wrote:
I was delighted to see the native Debian 12 (bookworm) packages turn
up in Reef 18.2.1.
We currently run a number of ceph clusters on Debian11 (bullseye) /
Quincy 17.2.7. These are not cephadm-managed.
I have attempted to upgrade a test cluster, and it is not going well.
Quincy only supports bullseye, and Reef only supports bookworm, we are
reinstalling from bare metal. However I don't think either of these
two problems are related to that.
Problem 1
--------------
A simple "apt install ceph" goes most of the way, then errors with
Setting up cephadm (18.2.1-1~bpo12+1) ...
usermod: unlocking the user's password would result in a passwordless
account.
You should set a password with usermod -p to unlock this user's password.
mkdir: cannot create directory ‘/home/cephadm/.ssh’: No such file or
directory
dpkg: error processing package cephadm (--configure):
installed cephadm package post-installation script subprocess
returned error exit status 1
dpkg: dependency problems prevent configuration of ceph-mgr-cephadm:
ceph-mgr-cephadm depends on cephadm; however:
Package cephadm is not configured yet.
dpkg: error processing package ceph-mgr-cephadm (--configure):
dependency problems - leaving unconfigured
The two cephadm-related packages are then left in an error state,
which apt tries to continue each time it is run.
The cephadm user has a login directory of /nonexistent, however the
cephadm --configure script is trying to use /home/cephadm (as it was
on Quincy/bullseye).
So, we aren't using cephadm, and decided to keep going as the other
packages were actually installed, and deal with the package state later.
Problem 2
---------------
I upgraded 2/3 monitor nodes without any other problems, and (for the
moment) removed the other Quincy monitor prior to rebuild.
I then shutdown the remaining Quincy manager, and attempted to start
the Reef manager. Although the manager is running, "ceph mgr services"
shows it is only providing the restful and not the dashboard service.
The log file has lots of the following error:
ImportError: PyO3 modules may only be initialized once per interpreter
process
and ceph -s reports "Module 'dashboard' has failed dependency: PyO3
modules may only be initialized once per interpreter process
Questions
---------------
1. Have the Reef/bookworm packages ever been tested in a non-cephadm
environment?
2. I want to revert this cluster back to a fully functional state. I
cannot bring back up the remaining Quincy monitor though ("require
release 18 > 17"). Would I have to go through the procedure of
starting over, and trying to rescue the monmap from the OSDs? (OSDs
and an active MDS are still up and running Quincy). I'm aware that
process exists but have never had to delve into it.
Thanks, Chris
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