Workaround for Ceph issue

playbooks/prepare_host.yaml

@@ -289,6 +289,23 @@
  - name: Wipe filesystem from disk # noqa no-changed-when
  ansible.builtin.command: wipefs -a "{{ item }}"
  loop: "{{ ceph_devices }}"
+ - name: Expose Ceph devices to LVM
+ when:
+ - ceph_devices_to_lvm
+ block:
+ - name: Ensure we have lvm2
+ ansible.builtin.package:
+ name: lvm2
+ state: present
+ - name: Create VG for ceph devices
+ community.general.lvg:
+ vg: vg_ceph
+ pvs: "{{ ceph_devices | join(',') }}"
+ - name: Create LV for ceph devices
+ community.general.lvol:
+ vg: vg_ceph
+ lv: data
+ size: 100%VG
 
  - name: Prepare kernel and reboot
  when:

playbooks/roles/ceph/tasks/main.yaml

@@ -43,7 +43,7 @@
  content: |
  data_devices:
  paths:
- {% if ceph_devices is defined and ceph_devices | length > 0 %}
+ {% if ceph_devices is defined and (ceph_devices | length > 0) and (ceph_devices is not true) and (not ceph_devices_to_lvm | default(false)) %}
  {% for d in ceph_devices %}
  - {{ d }}
  {% endfor %}

playbooks/vars/defaults.yaml

@@ -137,6 +137,13 @@ ceph_enabled: true
 # ceph_devices:
 # - /dev/disk/by-path/pci-0000:45:00.0-ata-3
 
+# It will create a LVM PV from all `ceph_devices` and then
+# create a VG and LV. Then the VG will be exposed to Ceph to
+# create the OSD on it.
+# This can be used to workaround hardware issues like
+# reported here: https://bugzilla.redhat.com/show_bug.cgi?id=2235819
+ceph_devices_to_lvm: false
+
 # Size of the loop device that will be
 # used for Ceph (in GB).
 ceph_loop_device_size: 100