Linux（centos6.5）连接iSCSI网络存储

Linux连接iSCSI网络存储
操作系统平台：CentOS 6.5 X86_64
存储服务器软件版本：openfiler esa 2.99.1

安装需要的包文件
[root@bogon /]# rpm -qa binutils
binutils-2.20.51.0.2-5.36.el6.x86_64
[root@bogon /]# rpm -qa xfsprogs
xfsprogs-3.1.1-14.el6.x86_64

[root@bogon yum.repos.d]# yum install iscsi-initiator-utils

Updated:
iscsi-initiator-utils.x86_64 0:6.2.0.873-13.el6

Complete!
[root@bogon yum.repos.d]# yum install iscsi-initiator-utils-devel
Installed:
iscsi-initiator-utils-devel.x86_64 0:6.2.0.873-13.el6
Complete!

查询iSCSI target
[root@bogon yum.repos.d]# iscsiadm -mdiscovery -t sendtargets -p 172.16.94.195 存储服务器的IP地址，默认端口3260
Starting iscsid: [ OK ]
172.16.94.195:3260,1iqn.2006-01.com.openfiler:tsn.a9e1e2fc1ac1
172.16.94.195:3260,1iqn.2006-01.com.openfiler:tsn.4efa19910943
[root@bogon yum.repos.d]#
登陆（即挂载）：
挂载：iscsiadm -m node -T target名称 -p 存储IP –l
移除：iscsiadm -m node -T target名称 -p 存储IP –u

[root@bogon /]# iscsiadm -m node -Tiqn.2006-01.com.openfiler:tsn.a9e1e2fc1ac1 -p 172.16.94.195 -l
Logging in to [iface: default, target:iqn.2006-01.com.openfiler:tsn.a9e1e2fc1ac1, portal: 172.16.94.195,3260] (multiple)
Login to [iface: default, target:iqn.2006-01.com.openfiler:tsn.a9e1e2fc1ac1, portal: 172.16.94.195,3260]successful.
[root@bogon /]#
查看所有的iSCSI连接：
[root@bogon /]# iscsiadm -m session
tcp: [1] 172.16.94.195:3260,1iqn.2006-01.com.openfiler:tsn.a9e1e2fc1ac1 (non-flash)
[root@bogon /]#

结果验证：
[root@bogon /]# fdisk -l

Disk /dev/sda: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054cylinders
Units = cylinders of 16065 * 512 = 8225280bytes
Sector size (logical/physical): 512 bytes /512 bytes
I/O size (minimum/optimal): 512 bytes / 512bytes
Disk identifier: 0x000ec831

Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinderboundary.
/dev/sda2 64 13055 104344576 8e Linux LVM
……………………
Disk /dev/sdb: 4932 MB, 4932501504 bytes
152 heads, 62 sectors/track, 1022 cylinders
Units = cylinders of 9424 * 512 = 4825088bytes
Sector size (logical/physical): 512 bytes /512 bytes
I/O size (minimum/optimal): 512 bytes / 512bytes
Disk identifier: 0x00000000

[root@bogon /]#
开机启动：
# To manually startup the session set to"manual". The default is automatic.
node.startup =automatic

# For "automatic" startup nodes,setting this to "Yes" will try logins on each
# available iface until one succeeds, andthen stop. The default "No"will try
# logins on all availble ifacessimultaneously.
node.leading_login= No
硬盘自动挂载（mount）：
编辑文件：vim /etc/fstab