Put /var/vmail in a dedicated LV

Vagrantfile

@@ -16,6 +16,15 @@ Vagrant.configure("2") do |config|
   config.vm.define "mailserver-test" do |mailserver|
     mailserver.vm.box = "debian/bookworm64"
     mailserver.vm.hostname = "mailserver-test"
+    mailserver.vm.provider :libvirt do |libvirt|
+      libvirt.storage :file, :size => '6G'
+    end
+    mailserver.vm.provision "shell" do |shell|
+      shell.inline = <<-SHELL
+        apt-get install -y lvm2
+        vgcreate vg_data /dev/vdb
+      SHELL
+    end
   end
 
 end

roles/mailserver_dovecot/tasks/main.yml

@@ -9,6 +9,31 @@
       - dovecot-managesieved
       - dovecot-lmtpd
 
+- name: Create a LV for /var/vmail
+  become: true
+  community.general.lvol:
+    vg: vg_data
+    lv: vmail
+    state: present
+    size: 5g
+    resizefs: true
+
+- name: Format vmail LV to ext4
+  become: true
+  community.general.filesystem:
+    dev: /dev/mapper/vg_data-vmail
+    fstype: ext4
+    resizefs: true
+    state: present
+
+- name: Mount /var/vmail
+  become: true
+  ansible.posix.mount:
+    src: /dev/mapper/vg_data-vmail
+    path: /var/vmail
+    state: mounted
+    fstype: ext4
+
 - name: Create vmail group
   become: true
   ansible.builtin.group:
@@ -23,9 +48,18 @@
     uid: 5000
     group: vmail
     home: /var/vmail
-    create_home: true
+    create_home: false
     state: present
 
+- name: Set ownership for /var/vmail
+  become: true
+  ansible.builtin.file:
+    path: /var/vmail
+    state: directory
+    owner: vmail
+    group: vmail
+    recurse: true
+
 - name: Add login to auth_mechanisms
   become: true
   ansible.builtin.lineinfile: