【Linux进阶篇】系统网络附加存储

[root@nfs-server ~]# yum -y install nfs-utils rpcbind

[root@nfs-client ~]# yum -y install nfs-utils nginx

[root@nfs-server ~]# mkdir /data
[root@nfs-server ~]# echo "/data *(rw,sync,no_root_squash)" > /etc/exports
参数：
    * ：所有网段都可访问
    rw：读写访问
    sync：所有数据在请求时写入共享
    no_root_squash：用户具有根目录的完全管理访问权限
[root@nfs-server ~]# systemctl start rpcbind nfs
[root@nfs-server ~]# systemctl enable rpcbind nfs
Created symlink from /etc/systemd/system/multi-user.target.wants/nfs-server.service to /usr/lib/systemd/system/nfs-server.service.
[root@nfs-server ~]# echo "192.168.8.1" >> /data/index.html

[root@nfs-client ~]# systemctl start nginx
[root@nfs-client ~]# showmount -e 192.168.8.1       #服务端ip
Export list for 192.168.8.1:
/data *
[root@nfs-client ~]# mount -t nfs 192.168.8.1:/data /usr/share/nginx/html
[root@nfs-client ~]# echo "192.168.8.1:/data /usr/share/nginx/html nfs defaults,_netdev 0 0" >> /etc/fstab

[root@server ~]# yum -y install targetd targetcli
#省略安装过程
[root@server ~]# systemctl start target
[root@server ~]# systemctl enable target
Created symlink from /etc/systemd/system/multi-user.target.wants/target.service to /usr/lib/systemd/system/target.service.
[root@server ~]# systemctl status target
#查看服务状态是否启动

[root@server ~]# targetcli
targetcli shell version 2.1.53
Copyright 2011-2013 by Datera, Inc and others.
For help on commands, type 'help'.
​
/> backstores/block create server0.disk1 /dev/sdc                                       #指定磁盘块设备
Created block storage object server0.disk1 using /dev/sdc.
/> /iscsi create iqn.2023-03.com.jd:disk1                                               #创建iscsi逻辑对象
Created target iqn.2023-03.com.jd:disk1.
Created TPG 1.
Global pref auto_add_default_portal=true
Created default portal listening on all IPs (0.0.0.0), port 3260.
/> /iscsi/iqn.2023-03.com.jd:disk1/tpg1/acls create iqn.2023-03.com.jd:client1          #设置acl客户端访问名
Created Node ACL for iqn.2023-03.com.jd:client1
/> /iscsi/iqn.2023-03.com.jd:disk1/tpg1/luns create /backstores/block/server0.disk1     #绑定iscsi对象和磁盘
Created LUN 0.
Created LUN 0->0 mapping in node ACL iqn.2023-03.com.jd:client1
/> exit             #退出

[root@client ~]# yum -y install iscsi-initiator-utils               #安装iscsi客户端软件
[root@client ~]# echo "InitiatorName=iqn.2023-01.com.jd:client1" > /etc/iscsi/initiatorname.iscsi       #服务端acl名
[root@client ~]# systemctl start iscsi                              #启动iscsi服务
[root@client ~]# systemctl enable iscsi                             #设置iscsi开机自启
[root@client ~]# iscsiadm -m discovery -t st -p 192.168.8.2         #发现target存储
[root@client ~]# iscsiadm -m discovery -t st -p 192.168.8.2 -l      #登录连接target
[root@client ~]# lsscsi                                             #验证，查看是否连接target
[root@client ~]# gdisk /dev/sdb                                     #为target磁盘分区
[root@client ~]# partprobe /dev/sdb                                 #识别新设备
[root@client ~]# cat /proc/partitions                               #查看分区表
[root@client ~]# mkdir /iscsi                                       #创建挂载点
[root@client ~]# mkfs.xfs /dev/sdb1                                 #格式化target分区
[root@client ~]# mount /dev/sdb1 /iscsi                             #挂载target
[root@client ~]# echo '/dev/sdb1 /iscsi xfs defaults,_netdev 0 0' >> /etc/fstab             #永久挂载