iscsiadm的用法

总结下iscsiadm工具的使用方法。

iscsiadm discovery and login operations:

iscsiadm -m discovery -t st -p 172.16.1.253:3260

172.16.1.251:3260,4 iqn.1992-04.com.emc:cx.ckm00124704053.a5

172.16.1.253:3260,3 iqn.1992-04.com.emc:cx.ckm00124704053.b6

 

iscsiadm -m node -T iqn.1992-04.com.emc:cx.ckm00124704053.a5 --portal 172.16.1.251:3260 --login

iscsiadm -m node -p 172.16.1.253:3260 -T iqn.1992-04.com.emc:cx.ckm00124704053.b6 --login

 

Logging in to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00124704053.b6, portal: 172.16.1.253,3260] (multiple)

Login to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00124704053.b6, portal: 172.16.1.253,3260] successful.

 

查看活动session：

iscsiadm -m session

tcp: [2] 172.16.1.251:3260,4 iqn.1992-04.com.emc:cx.ckm00124704053.a5

tcp: [3] 172.16.1.253:3260,3 iqn.1992-04.com.emc:cx.ckm00124704053.b6

 

查看session的具体信息：

iscsiadm -m session -P 1

Target: iqn.1992-04.com.emc:cx.ckm00124704053.a5

Current Portal: 172.16.1.251:3260,4

Persistent Portal: 172.16.1.251:3260,4

**********

Interface:

**********

Iface Name: default

Iface Transport: tcp

Iface Initiatorname: iqn.1994-05.com.cloudtimes:93ae7aba812f

Iface IPaddress: 172.16.6.121

Iface HWaddress: <empty>

Iface Netdev: <empty>

SID: 2

iSCSI Connection State: LOGGED IN

iSCSI Session State: LOGGED_IN

Internal iscsid Session State: NO CHANGE

Target: iqn.1992-04.com.emc:cx.ckm00124704053.b6

Current Portal: 172.16.1.253:3260,3

Persistent Portal: 172.16.1.253:3260,3

**********

Interface:

**********

Iface Name: default

Iface Transport: tcp

Iface Initiatorname: iqn.1994-05.com.cloudtimes:93ae7aba812f

Iface IPaddress: 172.16.6.121

Iface HWaddress: <empty>

Iface Netdev: <empty>

SID: 3

iSCSI Connection State: LOGGED IN

iSCSI Session State: LOGGED_IN

Internal iscsid Session State: NO CHANGE

 

logout the session并且删除该session

iscsiadm -m node -T iqn.1992-04.com.emc:cx.ckm00124704053.a5 --portal 172.16.1.251:3260 --logout

Logging out of session [sid: 2, target: iqn.1992-04.com.emc:cx.ckm00124704053.a5, portal: 172.16.1.251,3260]

Logout of [sid: 2, target: iqn.1992-04.com.emc:cx.ckm00124704053.a5, portal: 172.16.1.251,3260] successful.

 

Delete target info from database

# iscsiadm --mode node -o delete -T iqn.1992-04.com.emc:cx.ckm00124704053.a5 -p 172.16.1.251:3260

 

重新扫描目标上的卷信息

iscsiadm -m session -R

Rescanning session [sid: 5, target: iqn.1992-04.com.emc:cx.ckm00124704053.a5, portal: 172.16.1.251,3260]

 

参考文档：

http://www.makelinux.net/man/8/I/iscsiadm