Linux 磁盘共享存储

1.安装服务

1. [root@server ~]# yum -y install targetd targetcli #安装服务

复制代码

2.启动服务

1. [root@localhost qtx]# systemctl start target
2. [root@localhost qtx]# systemctl enable target
3. [root@localhost qtx]# systemctl status target

复制代码

3.设置防火墙

1. [root@localhost qtx]# firewall-cmd --add-port=3260/tcp --permanent
2. success
3. [root@localhost qtx]# firewall-cmd --reload
4. success
5. [root@localhost qtx]# firewall-cmd --list-ports
6. 3260/tcp

复制代码

一、客户端

1.指定磁盘

1. [root@localhost qtx]# targetcli
2. targetcli shell version 2.1.53
3. Copyright 2011-2013 by Datera, Inc and others.
4. For help on commands, type 'help'.
6. /> /backstores/block create fwq0.disk1 /dev/sdb
7. Created block storage object fwq0.disk1 using /dev/sdb.
8. /> exit
9. Global pref auto_save_on_exit=true
10. Configuration saved to /etc/target/saveconfig.json

复制代码

2.创建iqn名字和iscsi对象

1. [root@localhost qtx]# targetcli
2. targetcli shell version 2.1.53
3. Copyright 2011-2013 by Datera, Inc and others.
4. For help on commands, type 'help'.
6. /> /iscsi create iqn.2022-04.com.qtx:sdb1
7. Created target iqn.2022-04.com.qtx:sdb1.
8. Created TPG 1.
9. Global pref auto_add_default_portal=true
10. Created default portal listening on all IPs (0.0.0.0), port 3260.
11. /> exit
12. Global pref auto_save_on_exit=true
13. Last 10 configs saved in /etc/target/backup/.
14. Configuration saved to /etc/target/saveconfig.json

复制代码

3.设置iscsi对象和客户端ip

1. [root@localhost qtx]# targetcli
2. targetcli shell version 2.1.53
3. Copyright 2011-2013 by Datera, Inc and others.
4. For help on commands, type 'help'.
6. /> /iscsi/iqn.2022-04.com.qtx:sdb1/tpg1/acls create iqn.2022-04.com.qtx:user1
7. Created Node ACL for iqn.2022-04.com.qtx:user1
8. /> exit
9. Global pref auto_save_on_exit=true
10. Last 10 configs saved in /etc/target/backup/.
11. Configuration saved to /etc/target/saveconfig.json

复制代码

4.创建lun    绑定块

1. [root@localhost qtx]# targetcli
2. targetcli shell version 2.1.53
3. Copyright 2011-2013 by Datera, Inc and others.
4. For help on commands, type 'help'.
6. /> /iscsi/iqn.2022-04.com.qtx:sdb1/tpg1/luns create

复制代码

二、客户端

1.安装工具

1. [root@localhost qtx]# yum -y install targetd targetcli

复制代码

2.initiator命名

1. [root@client ~]# vim /etc/iscsi/initiatorname.iscsi
2. InitiatorName=iqn.2022-04.com.qts:sdb1

复制代码

 3.启动服务

1. [root@localhost qtx]# systemctl start iscsi
2. [root@localhost qtx]# systemctl enable iscsi
3. [root@localhost qtx]# systemctl status iscsi

复制代码

4.发现存储

1. [root@localhost qtx]# iscsiadm -m discovery -t st -p 192.168.190.129
2. 192.168.190.129:3260,1 iqn.2022-04.com.qtx:sdb1

复制代码

5.登陆存储     连接

1. [root@localhost qtx]# iscsiadm -m discovery -t st -p 192.168.190.129 -l

复制代码

6.验证

1. [root@localhost qtx]# lsscsi

复制代码

1. [root@localhost qtx]# gdisk /dev/sdb
2. Number Start (sector) End (sector) Size Code Name
3. 1 2048 10487807 5.0 GiB 8300 Linux filesystem
4. 2 10487808 20971486 5.0 GiB 8300 Linux filesystem
5. [root@localhost qtx]# partprobe /dev/sdb
6. [root@localhost qtx]# partprobe /dev/sdb
7. [root@localhost qtx]# partprobe /dev/sdb
8. [root@localhost qtx]# cat /proc/partitions
9. major minor #blocks name
10. 8 16 10485760 sdb
11. 8 17 5242880 sdb1
12. 8 18 5241839 sdb2

复制代码

1. [root@localhost qtx]# mkdir /mnt/iscsi
2. [root@localhost qtx]# mkfs.xfs /dev/sdb1
3. [root@localhost qtx]# mount /dev/sdb1 /mnt/iscsi/
4. [root@localhost qtx]# mount | tail -1
5. [root@localhost qtx]# df -hT /mnt/iscsi/

复制代码

1. [root@localhost qtx]# targetcli
2. /> cd /iscsi/iqn.2022-04.com.qtx:disk1/tpg1/portals/
3. /iscsi/iqn.20.../tpg1/portals> delete 0.0.0.0 3260
4. Deleted network portal 0.0.0.0:3260
5. /iscsi/iqn.20.../tpg1/portals> create 192.168.192.129 3260
6. Using default IP port 3260
7. Created network portal 192.168.190.:3260.
8. /iscsi/iqn.20.../tpg1/portals> exit
9. Global pref auto_save_on_exit=true
10. Last 10 configs saved in /etc/target/backup/.
11. Configuration saved to /etc/target/saveconfig.json
12. [root@localhost qtx]# systemctl restart target.service

复制代码