一、共享存储的iscsi
实验环境:
server1 172.25.37.1
server2 172.25.37.2
server3 172.25.37.3 iscsi共享机
1.在server3上添加一块虚拟硬盘,大小为20G,并且在server1、server2上安装上iscsi服务。
[root@server1 html]# yum install iscsi-* -y
[root@server2 html]# yum install iscsi-* -y
[root@server3 ~]# yum install scsi-* -y
server3:
[root@server3 ~]# vim /etc/tgt/targets.conf
38 <target iqn.2019-01.com.example:server.target1>
39 backing-store /dev/vda
40 initiator-address 172.25.37.1
41 initiator-address 172.25.37.2
42 </target>
[root@server3 ~]# tgt-admin -s
2.server1、server2登陆iscsi服务
server1:
[root@server1 ~]# iscsiadm -m discovery -t st -p 172.25.37.3
Starting iscsid: [ OK ]
172.25.37.3:3260,1 iqn.2019-01.com.example:server.target1
[root@server1 ~]#
[root@server1 ~]# iscsiadm -m node -l
Logging in to [iface: default, target: iqn.2019-01.com.example:server.target1, portal: 172.25.37.3,3260] (multiple)
Login to [iface: default, target: iqn.2019-01.com.example:server.target1, portal: 172.25.37.3,3260] successful.
[root@server1 ~]# fdisk -l