update--

group_vars/akb.yml

@@ -43,6 +43,8 @@ ntp_server: gw-akb.akb.netz
 
 nfs_server: 192.168.82.10
 
+nfs_start_servers: 32
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #

group_vars/all/main.yml

@@ -1114,6 +1114,8 @@ ntp_server: {}
 
 nfs_server: {}
 
+nfs_start_servers: 16
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #

group_vars/flr.yml

@@ -109,6 +109,8 @@ ntp_server: gw-flr.flr.netz
 
 nfs_server: 192.168.102.10
 
+nfs_start_servers: 16
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #

group_vars/kb.yml

@@ -42,6 +42,8 @@ sshd_permit_root_login: !!str "prohibit-password"
 
 nfs_server: 192.168.32.20
 
+nfs_start_servers: 16
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #
@@ -343,6 +345,8 @@ samba_server_cidr_prefix: 24
 samba_workgroup: ANW-KB
 samba_netbios_name: FILE-KB
 
+samba_server_min_protocol: !!str "NT1"
+
 
 
 samba_shares:

group_vars/mbr.yml

@@ -42,6 +42,8 @@ ntp_server: gw-mbr.mbr-bln.netz
 
 nfs_server: 192.168.112.10
 
+nfs_start_servers: 64
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #

group_vars/sprachenatelier.yml

@@ -37,6 +37,8 @@ ntp_server: gw-spr.sprachenatelier.netz
 
 nfs_server: 192.168.92.10
 
+nfs_start_servers: 16
+
 # Set 'fs_encrypted' to true if filesystem lives on an encrypted
 # partition.
 #

hosts

@@ -54,7 +54,6 @@ pcbuero4.flr.netz
 
 [flr_server]
 file-flr.flr.netz
-192.168.102.166
 
 # -----
 # Sprachenatelier
@@ -156,7 +155,6 @@ sprachenatelier_client
 [file_server]
 file-akb.akb.netz
 file-flr.flr.netz
-192.168.102.166
 file-mbr.mbr-bln.netz ansible_user=root
 file-spr.sprachenatelier.netz
 file-kb.anw-kb.netz
@@ -165,7 +163,6 @@ file-kb.anw-kb.netz
 [nfs_server]
 file-akb.akb.netz
 file-flr.flr.netz
-192.168.102.166
 file-mbr.mbr-bln.netz ansible_user=root
 file-spr.sprachenatelier.netz
 file-kb.anw-kb.netz
@@ -174,7 +171,6 @@ file-kb.anw-kb.netz
 [nis_server]
 file-akb.akb.netz
 file-flr.flr.netz
-192.168.102.166
 file-mbr.mbr-bln.netz ansible_user=root
 file-spr.sprachenatelier.netz
 file-kb.anw-kb.netz
@@ -183,7 +179,6 @@ file-kb.anw-kb.netz
 [samba_server]
 file-akb.akb.netz
 file-flr.flr.netz
-192.168.102.166
 file-mbr.mbr-bln.netz ansible_user=root
 file-spr.sprachenatelier.netz
 file-kb.anw-kb.netz

roles/common/handlers/main.yml

@@ -104,3 +104,8 @@
   service:
     name: systemd-resolved
     state: restarted
+
+- name: Restart nfs-kernel-server
+  service:
+    name: nfs-kernel-server
+    state: restarted

roles/common/tasks/nfs.yml

@@ -61,6 +61,68 @@
   tags:
     - nfs-server
 
+# ---
+# /etc/default/nfs-kernel-server (Server)
+# ---
+
+- name: (nfs.yml) Check if file '/etc/default/nfs-kernel-server.ORIG' exists
+  stat:
+    path: /etc/default/nfs-kernel-server
+  register: default_nfs_kernel_server_exists
+  when:
+    - "groups['nfs_server']|string is search(inventory_hostname)"
+  tags:
+    - nfs-server
+
+- name: (nfs.yml) Backup existing file /etc/default/nfs-kernel-server
+  command: cp -a /etc/default/nfs-kernel-server /etc/default/nfs-kernel-server.ORIG
+  when:
+    - "groups['nfs_server']|string is search(inventory_hostname)"
+    - default_nfs_kernel_server_exists.stat.exists == False
+  tags:
+    - nfs-server
+
+- name: (nfs.yml) Adjust file /etc/default/nfs-kernel-server - set 'RPCNFSDCOUNT' (server)
+  replace:
+    path: /etc/default/nfs-kernel-server
+    regexp: '^RPCNFSDCOUNT=.*'
+    replace: "RPCNFSDCOUNT={{ nfs_start_servers | default('16') }}"
+  when:
+    - "groups['nfs_server']|string is search(inventory_hostname)"
+  tags:
+    - nfs-server
+
+# ---
+# Configuration Server
+# ---
+
+- name: (nfs.yml) Ensure directory '/etc/nfs.conf.d' exists
+  file:
+    path: /etc/nfs.conf.d
+    state: directory
+    mode: 0755
+    group: root
+    owner: root
+  when:
+    - inventory_hostname in groups['nfs_server']
+  tags:
+    - nfs-server
+
+
+- name: (nfs.yml) Create/Update file '/etc/nfs.conf.d/20-start_servers.conf' from template '20-start_servers.conf.j2'
+  template:
+    src: etc/nfs.conf.d/20-start_servers.conf.j2
+    dest: /etc/nfs.conf.d/20-start_servers.conf
+    owner: root
+    group: root
+    mode: 0644
+  notify: "Restart nfs-kernel-server"
+  when:
+    - inventory_hostname in groups['nfs_server']
+  tags:
+    - nfs-server
+
+
 # ---
 # NFS clients
 # ---

roles/common/templates/etc/nfs.conf.d/20-start_servers.conf.j2

@@ -0,0 +1,4 @@
+# {{ ansible_managed }}
+
+[nfsd]
+threads={{ nfs_start_servers | default('16') }}