targetcli 交互配置
先做个软raid10
mdadm -Cv /dev/md0 -n 4 -l 10 /dev/sd[b-e]
#初始化
mdadm -D /dev/md0安装targetd
yum install targetd targetcli重启
开启启动
配置iscsi服务端
[root@rhceclient Desktop]# targetcli
Warning: Could not load preferences file /root/.targetcli/prefs.bin.
targetcli shell version 2.1.fb34
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]
#创建保存数据的硬盘，相当于别名
/> cd backstores/block
/backstores/block> create disk0 /dev/md0
Created block storage object disk0 using /dev/md0.
#创建共享的名称
/backstores/block> cd /iscsi
/iscsi> create
Created target iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f.
Created TPG 1.
/iscsi> ls
o- iscsi .......................................................... [Targets: 1]
o- iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f .... [TPGs: 1]
o- tpg1 ............................................. [no-gen-acls, no-auth]
o- acls ........................................................ [ACLs: 0]
o- luns ........................................................ [LUNs: 0]
o- portals .................................................. [Portals: 0]
#luns，当用户访问共享名称时，能提供什么服务
/iscsi> cd iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f/
/iscsi/iqn.20....d2f50c26b37f> ls
o- iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f ...... [TPGs: 1]
o- tpg1 ............................................... [no-gen-acls, no-auth]
o- acls .......................................................... [ACLs: 0]
o- luns .......................................................... [LUNs: 0]
o- portals .................................................... [Portals: 0]
/iscsi/iqn.20....d2f50c26b37f> cd tpg1/luns
/iscsi/iqn.20...37f/tpg1/luns> create /backstores/block/disk0
Created LUN 0.
/iscsi/iqn.20...37f/tpg1/luns> cd ..
/iscsi/iqn.20...0c26b37f/tpg1> ls
o- tpg1 ................................................. [no-gen-acls, no-auth]
o- acls ............................................................ [ACLs: 0]
o- luns ............................................................ [LUNs: 1]
| o- lun0 ........................................... [block/disk0 (/dev/md0)]
o- portals ...................................................... [Portals: 0]
#谁可以使用这个资源，当设备的名称是如下时，才可以使用这个资源。如下加了一个：client标识，可以自定义的。
/iscsi/iqn.20...0c26b37f/tpg1> cd acls
/iscsi/iqn.20...37f/tpg1/acls> create iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f:client
Created Node ACL for iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f:client
Created mapped LUN 0.
/iscsi/iqn.20...37f/tpg1/acls> cd ..
/iscsi/iqn.20...0c26b37f/tpg1> ls
o- tpg1 ................................................. [no-gen-acls, no-auth]
o- acls ............................................................ [ACLs: 1]
| o- iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f:client [Mapped LUNs: 1]
| o- mapped_lun0 ................................... [lun0 block/disk0 (rw)]
o- luns ............................................................ [LUNs: 1]
| o- lun0 ........................................... [block/disk0 (/dev/md0)]
o- portals ...................................................... [Portals: 0]
#由谁提供iscsi存储服务
/iscsi/iqn.20...0c26b37f/tpg1> cd portals
/iscsi/iqn.20.../tpg1/portals> create 192.168.10.10
Using default IP port 3260
Created network portal 192.168.10.10:3260.
/iscsi/iqn.20.../tpg1/portals> ls
o- portals ........................................................ [Portals: 1]
o- 192.168.10.10:3260 ................................................... [OK]
#exit正常退出，会写到配置文件里
/iscsi/iqn.20.../tpg1/portals> exit
Global pref auto_save_on_exit=true
Last 10 configs saved in /etc/target/backup.
Configuration saved to /etc/target/saveconfig.json重启服务并加入开机启动
systemctl restart targetd
systemctl enable targetd清空iptables
iptables -F
service iptables save配置Linux客户端
vim /etc/iscsi/initiatorname.iscsi
#发现命令，类似nfs showmount
iscsiadm -m discovery -t st -p 192.168.10.10
iscsiadm -m node -T iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f -p 192.168.10.10 -l
#可以看到dev目录多了一个sdb设备
ls /dev/sd*
#卸载 -u参数，代表out
iscsiadm -m node -T iqn.2003-01.org.linux-iscsi.rhceclient.x8664:sn.d2f50c26b37f -u
ls /dev/sd*
配置Windows客户端
先配置发起程序名称
在目标里输入共享名称，点击快速连接