iscsiadm主要操作命令



当前包含磁盘

[root@xifenfei
~]#
fdisk -l

 

Disk
/dev/sda:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sda1  

*           1        2355    18916506   83  Linux

/dev/sda2           

2356        2610     2048287+  82  Linux swap / Solaris

 

Disk
/dev/sdb:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdb1              

1        2610    20964793+  83  Linux

 

Disk
/dev/sdc:
2147 MB, 2147483648 bytes

255
heads, 63 sectors/track,
261 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

Disk
/dev/sdc

doesn't contain a valid partition table

 

Disk
/dev/sdd:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdd1              

1         100      803218+  83  Linux

/dev/sdd2            

101        1000     7229250   83  Linux

查看iscsi运行情况

[root@xifenfei
~]#
rpm -aq|grep iscsi

iscsi-initiator-utils-6.2.0.872-10.0.1.el5

[root@xifenfei
~]# 
chkconfig --list |grep iscsi

iscsi          
0:off   1:off   2:on    3:on    4:on    5:on    6:off

iscsid         
0:off   1:off   2:off   3:on    4:on    5:on    6:off

[root@xifenfei
~]#
ps -ef|grep iscs

root     
2753     2  0 Jun21 ?        00:00:00 [iscsi_eh]

root    
15793     1  0 09:08 ?        00:00:00 brcm_iscsiuio

root    
15800     1  0 09:08 ?        00:00:00 iscsid

root    
15802     1  0 09:08 ?        00:00:00 iscsid

root    
19533 15269  0 10:11 pts/1   

00:00:00 grep

iscs

配置iscsi存储

[root@xifenfei
~]#
iscsiadm -m discovery -t sendtargets -p 192.168.1.254:3260

192.168.1.254:3260,1
iqn.2006-01.com.openfiler:tsn.32b32087937b

[root@xifenfei
~]#
iscsiadm -m node –T iqn.2006-01.com.openfiler:tsn.32b32087937b -p 192.168.1.254:3260 -l

Logging
in

to [iface: default, target: iqn.2006-01.com.openfiler:tsn.32b32087937b, portal: 192.168.1.254,3260]

Login
to [iface: default, target: iqn.2006-01.com.openfiler:tsn.32b32087937b, portal: 192.168.1.254,3260] successful.

[root@xifenfei
~]#
iscsiadm -m node –T iqn.2006-01.com.openfiler:tsn.32b32087937b -p 192.168.1.254:3260


>--op

update -n node.startup -v

automatic

当前包含磁盘

[root@xifenfei
~]#
fdisk -l

 

Disk
/dev/sda:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sda1  

*           1        2355    18916506   83  Linux

/dev/sda2           

2356        2610     2048287+  82  Linux swap / Solaris

 

Disk
/dev/sdb:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdb1              

1        2610    20964793+  83  Linux

 

Disk
/dev/sdc:
2147 MB, 2147483648 bytes

255
heads, 63 sectors/track,
261 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

Disk
/dev/sdc

doesn't contain a valid partition table

 

Disk
/dev/sdd:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdd1              

1         100      803218+  83  Linux

/dev/sdd2            

101        1000     7229250   83  Linux

 

Disk
/dev/sde:
1073 MB, 1073741824 bytes

34
heads, 61 sectors/track,
1011 cylinders

Units
= cylinders of 2074 * 512 = 1061888 bytes

 

Disk
/dev/sde

doesn't contain a valid partition table

 

Disk
/dev/sdf:
1073 MB, 1073741824 bytes

34
heads, 61 sectors/track,
1011 cylinders

Units
= cylinders of 2074 * 512 = 1061888 bytes

 

Disk
/dev/sdf

doesn't contain a valid partition table

 

Disk
/dev/sdg:
1073 MB, 1073741824 bytes

34
heads, 61 sectors/track,
1011 cylinders

Units
= cylinders of 2074 * 512 = 1061888 bytes

 

Disk
/dev/sdg

doesn't contain a valid partition table

卸载iscsi存储

[root@xifenfei
~]#
iscsiadm -m node --logoutall=all

Logging
out of session [sid: 3, target: iqn.2006-01.com.openfiler:tsn.32b32087937b, portal: 192.168.1.254,3260]

Logout
of [sid: 3, target: iqn.2006-01.com.openfiler:tsn.32b32087937b, portal: 192.168.1.254,3260] successful.

[root@xifenfei
~]#
iscsiadm -m node --op delete --targetname iqn.2006-01.com.openfiler:tsn.32b32087937b

当前包含磁盘

[root@xifenfei
~]#
fdisk -l

 

Disk
/dev/sda:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sda1  

*           1        2355    18916506   83  Linux

/dev/sda2           

2356        2610     2048287+  82  Linux swap / Solaris

 

Disk
/dev/sdb:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdb1              

1        2610    20964793+  83  Linux

 

Disk
/dev/sdc:
2147 MB, 2147483648 bytes

255
heads, 63 sectors/track,
261 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

Disk
/dev/sdc

doesn't contain a valid partition table

 

Disk
/dev/sdd:
21.4 GB, 21474836480 bytes

255
heads, 63 sectors/track,
2610 cylinders

Units
= cylinders of 16065 * 512 = 8225280 bytes

 

   Device
Boot      Start         End      Blocks   Id  System

/dev/sdd1              

1         100      803218+  83  Linux

/dev/sdd2            

101        1000     7229250   83  Linux

iscsi操作总结

增加iscsi存储

(1)发现iscsi存储:iscsiadm
-m discovery -t st -p ISCSI_IP

(2)查看iscsi发现记录:iscsiadm
-m node

(3)登录iscsi存储:iscsiadm
-m node -T LUN_NAME -p ISCSI_IP -l

(4)开机自动:
iscsiadm -m node –T LUN_NAME -p ISCSI_IP --op

update -n node.startup -v

automatic

 

删除iscsi存储

(1)登出iscsi存储
iscsiadm -m node -T LUN_NAME -p ISCSI_IP -u

(2)对出iscsi所有登录
iscsiadm -m node --logoutall=all

(3)删除iscsi发现记录:iscsiadm
-m node -o delete -T LUN_NAME -p ISCSI_IP

 

登入需验证码的节点

(1)开启认证

iscsiadm
-m node -T LUN_NAME -o update --name node.session.auth.authmethod --value=CHAP

*.使用-o同--op

(2)添加用户

iscsiadm
-m node -T LUN_NAME --op

update --name node.session.auth.username --value=[用户名]

(3)添加密码

iscsiadm
–m node –T LUN_NAME –op

update –name node.session.auth.password –value=[密码]