IP-SAN存储配置使用（iscsi）

一. 服务端配置target

1. systemctl start target
   systemctl enable target
2. target配置

[root@localhost txn]# targetcli
/>
## 创建block关联磁盘
/> /backstores/block create block1 /dev/sdb1
Created block storage object block1 using /dev/sdb1.
/>
## 创建target
/> /iscsi create iqn.2020-11.25.com:disk
Created target iqn.2020-11.25.com:disk.
Created TPG 1.
Global pref auto_add_default_portal=true
Created default portal listening on all IPs (0.0.0.0), port 3260.

## 创建acl

/>iscsi/iqn.2020-11.25.com:disk/tpg1/acls
create
iqn.2020-11.25.com:nfsacl
Created Node ACL for iqn.2020-11.25.com:nfsacl

## 创建lun关联block和target

/>
iscsi/iqn.2020-11.25.com:disk/tpg1/luns
create
/backstores/block/block1
Created LUN 0.
/> ls 可以查看
/> exit  退出

二. 客户端配置iscsi

1. 配置iscsi：/etc/iscsi/initiatorname.iscs，添加共享存储磁盘的ACL名，添加后需要重启iscsid服务。

[root@localhost ~]# cat /etc/iscsi/initiatorname.iscsi 
InitiatorName=iqn.2020-11.25.com:nfsacl
[root@localhost ~]#  systemctl restart iscsid

3. 客户端扫描服务端target

[root@localhost ~ ]# iscsiadm -m discovery -t st -p 192.168.122.23
192.168.122.23:3260,1 iqn.2020-11.25.com:disk

4. 客户端登录

[root@localhost ~]# iscsiadm -m node -T iqn.2020-11.25.com:disk -p 192.168.122.23 -l
Logging in to [iface: default, target: iqn.2020-11.25.com:disk, portal: 192.168.122.23,3260] (multiple)
Login to [iface: default, target: iqn.2020-11.25.com:disk, portal: 192.168.122.23,3260] successful.

5. 客户端对共享存储分区并格式化

[root@localhost ~]# lsblk
[root@localhost ~]# fdisk /dev/sdb
[root@localhost ~]# mount /dev/sdb1 /mnt/test

6. 注销操作

[root@localhost ~]# umount /mnt/test
[root@localhost ~]# iscsiadm -m ndoe -T iqn.2020-11.25.com:disk -p 192.168.122.23 -u
Logging out of session [sid: 2, target: iqn.2020-11.25.com:disk, portal: 192.168.122.23,3260]
Logout of [sid: 2, target: iqn.2020-11.25.com:disk, portal: 192.168.122.23,3260] successful.