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ceph-ansible/roles/ceph-mon/tasks/rbd_pool.yml

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mon: destroy and recreate rbd pool if necessary Users reported that pool_default_pg_num is not honoured for the default pool 'rbd'. So now we check the pg num value for the RBD pool and if it does not match pool_default_pg_num then we delete and recreate it. We also make sure the pool is empty first, just in case someone changed the value manually and didn't reflect the change in ceph-ansible. The only issue with this patch is that the pool ID will not be 0 anymore but more likely 1. Signed-off-by: Sébastien Han <seb@redhat.com>
2016-10-21 00:19:19 +08:00
---
- name: check rbd pool usage
shell: |
ceph --connect-timeout 5 --cluster {{ cluster }} df | awk '/rbd/ {print $3}'
changed_when: false
failed_when: false
Better --check compatibility for ceph-mon role Carefully chosen "always_run: true" parameters for read-only tasks that register variables. This enables --check runs (at least on deployed clusters).
2016-11-27 04:05:32 +08:00
always_run: true
mon: destroy and recreate rbd pool if necessary Users reported that pool_default_pg_num is not honoured for the default pool 'rbd'. So now we check the pg num value for the RBD pool and if it does not match pool_default_pg_num then we delete and recreate it. We also make sure the pool is empty first, just in case someone changed the value manually and didn't reflect the change in ceph-ansible. The only issue with this patch is that the pool ID will not be 0 anymore but more likely 1. Signed-off-by: Sébastien Han <seb@redhat.com>
2016-10-21 00:19:19 +08:00
register: rbd_pool_df
- name: check pg num for rbd pool
shell: |
ceph --connect-timeout 5 --cluster {{ cluster }} osd pool get rbd pg_num | awk '{print $2}'
changed_when: false
failed_when: false
Better --check compatibility for ceph-mon role Carefully chosen "always_run: true" parameters for read-only tasks that register variables. This enables --check runs (at least on deployed clusters).
2016-11-27 04:05:32 +08:00
always_run: true
mon: destroy and recreate rbd pool if necessary Users reported that pool_default_pg_num is not honoured for the default pool 'rbd'. So now we check the pg num value for the RBD pool and if it does not match pool_default_pg_num then we delete and recreate it. We also make sure the pool is empty first, just in case someone changed the value manually and didn't reflect the change in ceph-ansible. The only issue with this patch is that the pool ID will not be 0 anymore but more likely 1. Signed-off-by: Sébastien Han <seb@redhat.com>
2016-10-21 00:19:19 +08:00
register: rbd_pool_pgs
- name: destroy and recreate rbd pool if osd_pool_default_pg_num is not honoured
shell: |
ceph --connect-timeout 5 --cluster {{ cluster }} osd pool rm rbd rbd --yes-i-really-really-mean-it
ceph --connect-timeout 5 --cluster {{ cluster }} osd pool create rbd {{ ceph_conf_overrides.global.osd_pool_default_pg_num }}
changed_when: false
failed_when: false
when:
- rbd_pool_df.stdout == "0"
- rbd_pool_pgs.stdout != "{{ ceph_conf_overrides.global.osd_pool_default_pg_num }}"