linux配置ISCSI服务器的方法

2019-10-13 12:46:14于海丽

2.修改配置文件

[root@wjb10000 ~]# vim /etc/iscsi/initiatorname.iscsi 
InitiatorName=iqn.2016-06.wjb.com:www.server.com
[root@wjb10000 ~]# vim /etc/iscsi/iscsid.conf 
#node.session.auth.authmethod = CHAP
#node.session.auth.username = username
#node.session.auth.password = password      //去掉注释

3.启动服务

[root@wjb10000 ~]# systemctl start iscsid
[root@wjb10000 ~]# systemctl enable iscsid

4.发现target

[root@wjb10000 ~]# iscsiadm -m discovery -t sendtargets -p 192.168.1.50

5.查看状态

[root@wjb10000 ~]# iscsiadm -m node -o show

6.登录target建立连接

[root@wjb10000 ~]# iscsiadm -m node --login
Logging in to [iface: default, target: iqn.2016-06.wjb.com:storage.target0, portal: 192.168.1.50,3260] (multiple)
Login to [iface: default, target: iqn.2016-06.wjb.com:storage.target0, portal: 192.168.1.50,3260] successful.

7.查看连接情况

[root@wjb10000 ~]# iscsiadm -m session -o show
tcp: [1] 192.168.1.50:3260,1 iqn.2016-06.wjb.com:storage.target0 (non-flash)

8.磁盘操作

[root@wjb10000 ~]# fdisk -l
 
磁盘 /dev/sda:107.4 GB, 107374182400 字节,209715200 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理):512 字节 / 512 字节
I/O 大小(最小/最佳):512 字节 / 512 字节
磁盘标签类型:dos
磁盘标识符:0x000b2ba1
 
  设备 Boot   Start     End   Blocks  Id System
/dev/sda1  *    2048   1026047   512000  83 Linux
/dev/sda2     1026048  62466047  30720000  83 Linux
/dev/sda3    62466048  103426047  20480000  83 Linux
/dev/sda4    103426048  209715199  53144576  5 Extended
/dev/sda5    103428096  144388095  20480000  83 Linux
/dev/sda6    144390144  152582143   4096000  82 Linux swap / Solaris
/dev/sda7    152584192  209715199  28565504  83 Linux
 
磁盘 /dev/sdb:21.5 GB, 21474836480 字节,41943040 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理):512 字节 / 512 字节
I/O 大小(最小/最佳):512 字节 / 8388608 字节
 
[root@wjb10000 ~]# parted --script /dev/sdb "mklabel msdos"
[root@wjb10000 ~]# parted --script /dev/sdb "mkpart primary 0% 100%"
[root@wjb10000 ~]# mkfs.xfs -i size=1024 -s size=4096 /dev/sdb1
meta-data=/dev/sdb1       isize=1024  agcount=4, agsize=1310208 blks
     =            sectsz=4096 attr=2, projid32bit=1
     =            crc=0    finobt=0
data   =            bsize=4096  blocks=5240832, imaxpct=25
     =            sunit=0   swidth=0 blks
naming  =version 2       bsize=4096  ascii-ci=0 ftype=0
log   =internal log      bsize=4096  blocks=2560, version=2
     =            sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none          extsz=4096  blocks=0, rtextents=0
[root@wjb10000 ~]# mount /dev/sdb1 /mnt/
[root@wjb10000 ~]# df -hT
文件系统    类型   容量 已用 可用 已用% 挂载点
/dev/sda3   xfs    20G  68M  20G  1% /
devtmpfs    devtmpfs 904M   0 904M  0% /dev
tmpfs     tmpfs   913M   0 913M  0% /dev/shm
tmpfs     tmpfs   913M 8.7M 904M  1% /run
tmpfs     tmpfs   913M   0 913M  0% /sys/fs/cgroup
/dev/sda5   xfs    20G 1.5G  19G  8% /usr
/dev/sda7   xfs    28G  33M  28G  1% /home
/dev/sda2   xfs    30G 694M  29G  3% /var
/dev/sda1   xfs    497M 128M 370M  26% /boot
tmpfs     tmpfs   183M   0 183M  0% /run/user/0
/dev/sdb1   xfs    20G  33M  20G  1% /mnt