SAN CUSTOM - MDL-NAS

• paramétrage IQN du serveur (à priori pas obligatoire si fichier persistant)

tgtadm --lld iscsi --mode target --op new --tid=1 --targetname iqn.fr.delag.labo.mdl-nas

* création de la target

vi /etc/tgt/targets.conf
 
 
<target iqn.labo:mdl-nas.labo.delag.fr>
    backing-store /dev/vgroup0/lv_hyper-v1
</target>

• on recharge la conf

[root@mdl-nas ~]# systemctl reload tgtd.service 
[root@mdl-nas ~]# 
[root@mdl-nas ~]# 
[root@mdl-nas ~]# 
[root@mdl-nas ~]# systemctl status tgtd.service 
● tgtd.service - tgtd iSCSI target daemon
     Loaded: loaded (/usr/lib/systemd/system/tgtd.service; enabled; preset: disabled)
    Drop-In: /usr/lib/systemd/system/service.d
             └─10-timeout-abort.conf
     Active: active (running) since Thu 2026-01-08 21:16:36 CET; 10h ago
 Invocation: d40992843bac469aac109b6fb1d798d4
    Process: 13169 ExecReload=/usr/sbin/tgt-admin --update ALL -c $TGTD_CONFIG (code=exited, status=0/SUCCESS)
   Main PID: 1054 (tgtd)
      Tasks: 1 (limit: 9368)
     Memory: 6.1M (peak: 12.6M)
        CPU: 1.344s
     CGroup: /system.slice/tgtd.service
             └─1054 /usr/sbin/tgtd -f
 
janv. 08 21:16:30 mdl-nas.delag.labo.fr systemd[1]: Starting tgtd.service - tgtd iSCSI target daemon...
janv. 08 21:16:31 mdl-nas.delag.labo.fr tgtd[1054]: tgtd: iser_ib_init(3431) Failed to initialize RDMA; load kernel modules?
janv. 08 21:16:31 mdl-nas.delag.labo.fr tgtd[1054]: tgtd: work_timer_start(146) use timer_fd based scheduler
janv. 08 21:16:31 mdl-nas.delag.labo.fr tgtd[1054]: tgtd: bs_init(387) use signalfd notification
janv. 08 21:16:36 mdl-nas.delag.labo.fr systemd[1]: Started tgtd.service - tgtd iSCSI target daemon.
janv. 09 07:43:55 mdl-nas.delag.labo.fr systemd[1]: Reloading tgtd.service - tgtd iSCSI target daemon...
janv. 09 07:43:55 mdl-nas.delag.labo.fr systemd[1]: Reloaded tgtd.service - tgtd iSCSI target daemon.

• on affiche la conf

[root@mdl-nas ~]# tgtadm --mode target --op show
Target 2: iqn.labo:hyper-v1.labo.delag.fr
    System information:
        Driver: iscsi
        State: ready
    I_T nexus information:
    LUN information:
        LUN: 0
            Type: controller
            SCSI ID: IET     00020000
            SCSI SN: beaf20
            Size: 0 MB, Block size: 1
            Online: Yes
            Removable media: No
            Prevent removal: No
            Readonly: No
            SWP: No
            Thin-provisioning: No
            Backing store type: null
            Backing store path: None
            Backing store flags: 
    Account information:
    ACL information:
        ALL

• ouverture port firewall

[root@mdl-nas ~]# firewall-cmd --add-port=3260/tcp --permanent 
success
 
 
[root@mdl-nas ~]#  firewall-cmd --reload
success
 
 
[root@mdl-nas ~]#  firewall-cmd --list-all 
public (default, active)
  target: default
  ingress-priority: 0
  egress-priority: 0
  icmp-block-inversion: no
  interfaces: enp3s0f0 enp5s0
  sources: 
  services: cockpit dhcpv6-client mdns ssh
  ports: 3260/tcp
  protocols: 
  forward: yes
  masquerade: no
  forward-ports: 
  source-ports: 
  icmp-blocks: 
  rich rules: