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# Format a volume for data storage
#
# The pattern is to create an LVM volume group on the volume, with
# one logical volume set up. Snapshots can be taken of the data LV
# very quickly, allowing us to take backup copies without requiring
# long periods of downtime for the relevant services.
---
- name: ensure LVM monitor service is running
service:
name: lvm2-monitor.service
enabled: yes
state: started
- name: LVM logical volume group on /dev/vdb
lvg:
vg: vg0
pvs: /dev/vdb
- name: logical volume for {{ lv_name }}
lvol:
vg: vg0
lv: "{{ lv_name }}"
size: "{{ lv_size }}"
# This will NEVER overwrite an existing filesystem. Unless you add
# 'force=yes' to the arguments. So don't do that. See:
# http://docs.ansible.com/filesystem_module.html.
- name: ext4 filesystem on /dev/vg0/{{ lv_name }}
filesystem:
fstype: ext4
dev: "/dev/vg0/{{ lv_name }}"
- name: mount {{ lv_name }} logical volume
mount:
src: "/dev/vg0/{{ lv_name }}"
name: "{{ mountpoint }}"
fstype: ext4
state: mounted
opts: defaults,nofail
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