linux下ip-san的配置.docx

linux 配置IPSAN存储一 SAN存储11.1 SAN存储介绍11.2 SAN存储分类2二 配置ip-SAN22.1 ip-san服务器规划22.2 配置服务端32.2.1设置主机名，安装target服务32.2.2 新建存储分区32.2.3 创建存储对象32.2.4 创建iqn共享名42.2.5 创建acl指定可访问iscisi可访问的客户端42.2.6 创建逻辑访问单元42.2.7 创建portals监控的ip52.2.8 开放防火墙服务端口52.3 配置客户端52.3.1 安装iscsi服务52.3.2 配置客户端的iqn52.3.3 发现服务端62.3.4 连接服务端62.3.4 查看磁盘信息表62.3.5 分区并创创建挂载目录挂载62.3.6 查看验证7一 SAN存储1.1 SAN存储介绍存储区域网络（Storage Area Network，简称SAN）采用网状通道（Fibre Channel ，简称FC，区别与Fiber Channel光纤通道）技术，通过FC交换机连接存储阵列和服务器主机，建立专用于数据存储的区域网络。1.2 SAN存储分类常见的分类是FC-SAN和IP-SAN两种。FC-SAN通过光纤通道协议转发scsi协议；IP-SAN通过TCP协议转发scsi协议，也就是IP 地址。 存储设备是指一台或多台用以存储计算机数据的磁盘设备，通常指磁盘阵列，主要厂商EMC、日立等。二 配置ip-SAN 2.1 ip-san服务器规划下面配置IP-SAN存储实战服务名称服务器地址操作系统服务端 ：node0Centos 7客户端 ：node02Centos 7 2.2 配置服务端 2.2.1设置主机名，安装target服务rootlocalhost # hostnamectl set-hostname node01rootnode01 # yum install targetcli yrootnode01 # systemctl status targettarget.service - Restore LIO kernel target configuration Loaded: loaded (/usr/lib/systemd/system/target.service; disabled) Active: active (exited) since 一 2016-09-05 12:44:41 CST; 16s ago Process: 14953 ExecStart=/usr/bin/targetctl restore (code=exited, status=0/SUCCESS) Main PID: 14953 (code=exited, status=0/SUCCESS)9月 05 12:44:41 node01 systemd1: Starting Restore LIO kernel target configuration.9月 05 12:44:41 node01 systemd1: Started Restore LIO kernel target configuration.2.2.2 新建存储分区通过vmvare新增加一块10G的硬盘rootnode01 # fdisk /dev/sdb #新建9G的分区rootnode01 # partprobe /dev/sdb # 重新加载分区信息表2.2.3 创建存储对象rootnode01 # targetclitargetcli shell version 2.1.fb41Copyright 2011-2013 by Datera, Inc and others.For help on commands, type help./ lso- / . . o- backstores . . | o- block . Storage Objects: 0 | o- fileio . Storage Objects: 0 | o- pscsi . Storage Objects: 0 | o- ramdisk . Storage Objects: 0 o- iscsi . Targets: 0 o- loopback . Targets: 0/ cd backstores/block /backstores/block /backstores/block create share /dev/sdb/dev/sdb /dev/sdb1 /backstores/block create share /dev/sdb1 # 创建共享target名shareCreated block storage object share using /dev/sdb1./backstores/block2.2.4 创建iqn共享名/iscsi /iscsi create .node01.www:server #创建iqn唯一标示Created target .node01.www:server.Created TPG 1.Global pref auto_add_default_portal=trueCreated default portal listening on all IPs (), port 32 创建acl指定可访问iscisi可访问的客户端/iscsi cd .node01.www:server/iscsi/iqn.20.01.www:server lso- .node01.www:server . TPGs: 1 o- tpg1 . no-gen-acls, no-auth o- acls . ACLs: 0 o- luns . LUNs: 0 o- portals . Portals: 1 o- :3260 . OK/iscsi/iqn.20.01.www:server cd tpg1/tpg1/acls/ tpg1/luns/ tpg1/portals/ /iscsi/iqn.20.01.www:server cd tpg1/acls /iscsi/iqn.20.ver/tpg1/acls create .node02.www:client #创建acl指定访问端Created Node ACL for .node02.www:client/iscsi/iqn.20.ver/tpg1/acls2.2.6 创建逻辑访问单元/ cd iscsi/.node01.www:server/tpg1/luns /iscsi/iqn.20.ver/tpg1/luns create /backstores/block/share #创建lunCreated LUN 0.Created LUN 0-0 mapping in node ACL .node02.www:client/iscsi/iqn.20.ver/tpg1/luns2.2.7 创建portals监控的ip/ cd iscsi/.node01.www:server/tpg1/portals/iscsi/iqn.20./tpg1/portals lso- portals . Portals: 1 o- :3260 . OK/iscsi/iqn.20./tpg1/portals delete 3260Deleted network portal :3260/iscsi/iqn.20./tpg1/portals create # 创建portalUsing default IP port 3260Created network portal :3260./iscsi/iqn.20./tpg1/portalsiscsi/iqn.20./tpg1/portals exitGlobal pref auto_save_on_exit=trueLast 10 configs saved in /etc/target/backup.Configuration saved to /etc/target/saveconfig.jsonrootnode01 #2.2.8 开放防火墙服务端口rootnode01 # firewall-cmd -add-port=3260/tcp -permanentsuccessrootnode01 # firewall-cmd -reloadsuccessrootnode01 #2.3 配置客户端 2.3.1 安装iscsi服务rootlocalhost # hostnamectl set-hostname node02rootnode02 # yum install -y iscsi*rootnode02 # systemctl restart iscsirootnode02 # systemctl enable iscsi 2.3.2 配置客户端的iqnrootnode02 # cat /etc/iscsi/initiatorname.iscsi InitiatorName=.redhat:8a63cad4f079 # 默认配置rootnode02 # vi /etc/iscsi/initiatorname.iscsirootnode02 # cat /etc/iscsi/initiatorname.iscsi InitiatorName=.node02.www:client # 更改后的配置rootnode02 # 2.3.3 发现服务端rootnode02 # iscsiadm -t st -m discovery -p :3260,1 .node01.www:server # 如果现实为server的iqn则发现成功2.3.4 连接服务端rootnode02 # iscsiadm -m node -T .node01.www:server -p -lLogging in to iface: default, target: .node01.www:server, portal: ,3260 (multiple)Login to iface: default, target: .node01.www:server, portal: ,3260 successful.rootnode02 #【注】：显示有successful字样表示连接成功2.3.4 查看磁盘信息表rootnode02 # lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0 0 20G 0 disk sda1 8:1 0 200M 0 part /bootsda2 8:2 0 4.9G 0 part /datasda3 8:3 0 2G 0 part SWAPsda4 8:4 0 1K 0 part sda5 8:5 0 12.9G 0 part /sdb 8:16 0 9G 0 disk # 通过iscisi识别的磁盘sdb大小为9Gsr0 11:0 1 4G 0 rom /mnt/iso2.3.5 分区并创创建挂载目录挂载rootnode02 # fdisk /dev/sdbrootnode02 # fdisk l 设备 Boot Start End Blocks Id System/dev/sdb1 8192 16785407 8388608 83 Linuxrootnode02 # mkdir iscsirootno