群晖NAS 创建iscsi跟着提示走就好了，设置chap模式，添加账号密码
centos7
安装依赖
yum install binutils iscsi-initiator-utils kmod-xfs xfsprogs
启动并设置开机启动
service iscsi start
systemctl enable iscsi
查看Target
[root@node-02 ~]# iscsiadm -m discovery -t sendtargets -p 10.168.2.195,3260 10.168.2.195:3260,1 iqn.2000-01.com.synology:DS1618.Target-Test.b5f7db4101 [fe80::211:32ff:fe93:86f9]:3260,1 iqn.2000-01.com.synology:DS1618.Target-Test.b5f7db4101 10.168.2.195:3260,1 iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 [fe80::211:32ff:fe93:86f9]:3260,1 iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 [root@node-02 ~]#
登陆节点前需验证
1、开启验证
iscsiadm -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.authmethod --value=CHAP
2、添加用户
iscsiadm -m node -T qn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.username --value=pgsql
3、添加密码
iscsiadm -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.password --value=‘xxxxxx‘ # 密码有符号请使用引号
原文：https://www.cnblogs.com/dockers/p/11590518.html