ISCS服务器基本搭建
环境：
rhel 7.6 vmware workstation 15
一、准备工作
1.配置静态IP地址（1）方法一：ifconfig ens33 10.10.128.100//我这里用的是10.10.128.0网段（2）方法二：vim /etc/sysconfig/network-scripts/ifcfg-ens33内容：TYPE=EthernetBOOTPROTO=staticDEFROUTE=yesNAME=ens33DEVICE=ens33ONBOOT=yesIPADDR=10.10.128.100NETMASK=255.255.255.02.搭建本地yum仓库（1）挂载光盘vim /etc/fstab内容：添加一行：/dev/sr0 /mnt/cdrom iso9660 defaults 0 0（2）创建挂载目录mkdir /mnt/cdrom （3）重读挂载表mount -a（4）编辑仓库文件vim /etc/yum.repos.d/a.repo//a.repo为仓库名，内容：[a]name=agpgcheck=0enabled=1baseurl=file:///mnt/cdrom（5）列出仓库资源yum repolist//这里可以看到仓库是否创建成功，如果不成功就要排错3.安装组件（1）安装iscsi组件yum install -y targetcli（2）查看是否安装成功rpm -qa targetcli4.配置iscsi（1）添加一块新硬盘作共享盘//在vmware station中添加（2）重启reboot（3）配置targettargetcli进入这样的界面：targetcli shell version 2.1.fb46Copyright - by Datera, Inc and others.For help on commands, type 'help'./> （4）创建block关联/> backstores/block create zlf.server /dev/sdb//这条命令是创建共享名，关联刚刚添加的新硬盘sdbCreated block storage object zlf.server using /dev/sdb.//这是提示创建成功（5）查看ls结果：/> lso- / ................................................................................................................. [...]o- backstores ...................................................................................................... [...]| o- block .......................................................................................... [Storage Objects: 1]| | o- zlf.server ............................................................ [/dev/sdb (20.0GiB) write-thru deactivated]//这里可以看到刚刚添加的关联| | o- alua ........................................................................................... [ALUA Groups: 1]| |o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized]| o- fileio ......................................................................................... [Storage Objects: 0]| o- pscsi .......................................................................................... [Storage Objects: 0]| o- ramdisk ........................................................................................ [Storage Objects: 0]o- iscsi .................................................................................................... [Targets: 0]o- loopback ................................................................................................. [Targets: 0]/> （6）创建target/> iscsi/ create iqn.-.example:server//在iscsi下创建 iqn.-.example:server Created target iqn.-.example:server.Created TPG 1.Global pref auto_add_default_portal=trueCreated default portal listening on all IPs (0.0.0.0), port 3260.//创建成功（7）创建访问控制/> iscsi/iqn.-.example:server/tpg1/acls create iqn.-.example:server//这条命令是创建访问控制Created Node ACL for iqn.-.example:server//提示成功（8）删除默认的允许访问列表/> iscsi/iqn.-.example:server/tpg1/portals/ delete 0.0.0.0 3260 //删除0.0.0.0 3260 默认的访问列表和端口Deleted network portal 0.0.0.0:3260（9）创建新的访问列表/> iscsi/iqn.-.example:server/tpg1/portals create 10.10.128.0 3260//开放给10.10.128.0这个网段访问Using default IP port 3260Created network portal 10.10.128.0:3260.（10）查看/> lso- / ................................................................................................................. [...]o- backstores ...................................................................................................... [...]| o- block .......................................................................................... [Storage Objects: 1]| | o- zlf.server ............................................................ [/dev/sdb (20.0GiB) write-thru deactivated]//看到我们关联的硬盘| | o- alua ........................................................................................... [ALUA Groups: 1]| |o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized]| o- fileio ......................................................................................... [Storage Objects: 0]| o- pscsi .......................................................................................... [Storage Objects: 0]| o- ramdisk ........................................................................................ [Storage Objects: 0]o- iscsi .................................................................................................... [Targets: 1]| o- iqn.-.example:server ............................................................................ [TPGs: 1]//看到我们创建的target| o- tpg1 ....................................................................................... [no-gen-acls, no-auth]|o- acls .................................................................................................. [ACLs: 1]|| o- iqn.-.example:server ............................................................... [Mapped LUNs: 0]//允许访问的target|o- luns .................................................................................................. [LUNs: 0]|o- portals ............................................................................................ [Portals: 1]| o- 10.10.128.0:3260 ......................................................................................... [OK]//写的访问地址o- loopback ................................................................................................. [Targets: 0]/> （11）保存、退出/> saveconfigConfiguration saved to /etc/target/saveconfig.json/> exitGlobal pref auto_save_on_exit=trueLast 10 configs saved in /etc/target/backup/.Configuration saved to /etc/target/saveconfig.json[root@localhost ~]# //看到这里就退出成功了5.直接用windows访问（1）打开iscsi发起程序（2）更改配置名为 iqn.-.example:server （3）输入目标ip ：10.10.128.100（4）快速连接6.配置client端
