====== SAN CUSTOM - MDL-NAS - Opensuse ======

  * au préalable
    * Opensuse tumbleweed avec cockpit, targetcli installés

<code BASH>
zypper install targetcli nmap cockpit
systemctl enable --now targetclid.service
systemctl enable --now cockpit.service
</code>

  * ouverture port et services sur le firewall
<code BASH>
firewall-cmd --add-port=3260/tcp --permanent 
firewall-cmd --reload

firewall-cmd --list-all 
</code>


  * création du Disk image ou de la LUN 
<code BASH>
mdl-nas:~ # targetcli
targetcli shell version 3.0.1
Copyright 2011-2013 by Datera, Inc and others.
For help on commands, type 'help'.

/> ls
o- / ......................................................................................................................... [...]
  o- backstores .............................................................................................................. [...]
  | o- block .................................................................................................. [Storage Objects: 0]
  | o- fileio ................................................................................................. [Storage Objects: 0]
  | o- pscsi .................................................................................................. [Storage Objects: 0]
  | o- ramdisk ................................................................................................ [Storage Objects: 0]
  o- iscsi ............................................................................................................ [Targets: 0]
  o- loopback ......................................................................................................... [Targets: 0]
  o- vhost ............................................................................................................ [Targets: 0]
  o- xen-pvscsi ....................................................................................................... [Targets: 0]

/> cd backstores/block

/backstores/block> create lv_hyper-v1 /dev/vgroup0/lv_hyper-v1
Created block storage object lv_hyper-v1 using /dev/vgroup0/lv_hyper-v1.
</code>



  * creation de la target ( iqn.yyyy-mm.naming-authority:unique name )
<code BASH>
/backstores/block> cd /iscsi
 
/iscsi> create iqn.2026-01.fr.delag.labo.mdl-nas:hyper-v1.VM1
Created target iqn.2026-01.fr.delag.labo.mdl-nas:hyper-v1.vm1.
Created TPG 1.
Global pref auto_add_default_portal=true
Created default portal listening on all IPs (::0), port 3260.
</code>


  * ajout de la LUN sur la Target
<code BASH>
/iscsi> cd /iscsi/iqn.2026-01.fr.delag.labo.mdl-nas:hyper-v1.vm1/tpg1/luns 
/iscsi/iqn.20...vm1/tpg1/luns> create /backstores/block/lv_hyper-v1 
Created LUN 0.
</code>


  * filtrage initiator
<code BASH>
/iscsi/iqn.20...vm1/tpg1/luns>  cd ../acls

/iscsi/iqn.20...vm1/tpg1/acls> create iqn.2026-01.fr.delag.labo.hyper-v1
Created Node ACL for iqn.2026-01.fr.delag.labo.hyper-v1
Created mapped LUN 0.
</code>

   * sauvegarde
<code BASH>
/iscsi/iqn.20...vm1/tpg1/acls> exit
Global pref auto_save_on_exit=true
Configuration saved to /etc/target/saveconfig.json
</code>

  * validation que le daemon écoute bien
<code BASH>
ss -napt | grep 3260   
LISTEN 0      256                          *:3260                      *:*     
</code>
 


  * on personnalise le fichier systemd pour restorer la config 
<color #ed1c24>ne marche pas et la config est à restaurer manuellement après reboot "targetcli restoreconfig"</color>
<code BASH>
mdl-nas:/etc/systemd # vi /usr/lib/systemd/system/targetclid.service
[Unit]
Description=Targetcli daemon
Documentation=man:targetclid(8)
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/targetclid
ExecStart=/usr/bin/targetcli restoreconfig
Restart=on-failure

[Install]
WantedBy=multi-user.target
Also=targetclid.socket
</code>