iscsi

#initiator/client 

    3  yum install iscsi-initiater-utils
    4  yum install iscsi-initiator-utils
    5  vi /etc/iscsi/initiatorname.iscsi 
    6  vi /etc/iscsi/iscsid.conf 
    7  systemctl start iscsi
    8  systemctl enable iscsi
    9  iscsiadm --mode discovery --type sendtargets --portal 172.31.115.93
   10  iscsiadm --mode node --target iqn.2015-05.com.mylabserver:t1 --portal 172.31.115.93 --login 
   11  lsblk --iscsi
   12  lsblk --scsi
   13  lsblk 
   14  df -h
   15  fdisk -l
   16  mkfs.ext4 /dev/sda 
   17  blkid
   18  vi /etc/fstab 
   19  mkdir -p /mnt/iscsi
   21  mount -a
   22  df -hT
   23  history 
   24  cd /mnt/iscsi/
   26  touch test1
   27  iscsiadm -m session -P 3
   28  umount /mnt/iscsi/


#server/target , configuration done using iscsiadm not shown here
103  yum -y install targetcli
  104  systemctl enable target
  105  fdisk -l
  106  targetcli 
  107  cat /etc/target/saveconfig.json 
  108  less /etc/target/saveconfig.json 
  109  yum -y install firewalld
  110  firewall-cmd --permanent --add-port=3260/tcp 
  111  systemctl enable firewalld
  112  systemctl start firewalld
  113  firewall-cmd --permanent --add-port=3260/tcp 
  119  firewall-cmd --get-default-zone 
  120  firewall-cmd --list-all
  121  firewall-cmd --reload 
  122  firewall-cmd --list-all
  124  systemctl start target
  125  systemctl status target
  126  systemctl status target -l
  
  
  /iscsi> ls
o- iscsi ............................................................................. [Targets: 1]
  o- iqn.2015-05.com.mylabserver:t1 ..................................................... [TPGs: 1]
    o- tpg1 ................................................................ [no-gen-acls, no-auth]
      o- acls ........................................................................... [ACLs: 1]
      | o- iqn.2015-05.com.mylabserver:client .................................... [Mapped LUNs: 1]
      |   o- mapped_lun0 ............................................. [lun0 block/testblock1 (rw)]
      o- luns ........................................................................... [LUNs: 1]
      | o- lun0 .................................................... [block/testblock1 (/dev/xvdf)]
      o- portals ..................................................................... [Portals: 1]
        o- 0.0.0.0:3260 ...................................................................... [OK]
/iscsi>