Linux系統iSCSItarget(儲存提供端)和iSCSI initator(儲存使用端)的配置

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上載者:User
《Linux iSCSI target配置全過程》

文章分類:作業系統

一:Install iSCSI target for Linux
1,作業系統:
[root@rac2 ~]# cat /etc/issue
Enterprise Linux Enterprise Linux AS release 4 (October Update 4)
Kernel r on an m
[root@rac2 /]# uname -a
Linux rac2.mycorpdomain.com 2.6.9-42.0.0.0.1.ELsmp #1 SMP Sun Oct 15 14:02:40 PDT 2006 i686 i686 i386 GNU/Linux
[root@rac2 /]#

2,解壓檔案
[root@rac2 ~]# tar -xzvf iscsitarget-0.4.15.tar.gz
3,編譯
[root@rac2 ~]# cd iscsitarget-0.4.15
[root@rac2 iscsitarget-0.4.15]# ls
ChangeLog COPYING doc etc include kernel Makefile patches README README.vmware usr
[root@rac2 iscsitarget-0.4.15]# make
[root@rac2 iscsitarget-0.4.15]# make install

 

4,配置
[root@rac2 iscsitarget-0.4.15]# vi /etc/ietd.conf
User userid superpassword
Target iqn.2001-04.com.example:storage.disk2.sys1.xyz
Lun 0 /dev/sdb1 fileio
Alias lun0

5,啟動服務
[root@rac2 etc]# cd /etc/init.d
[root@rac2 init.d]# ls

6,察看驗證
dmesg -c

 

7,修改設定檔為:
Target iqn.2001-04.com.example:storage.disk2.sys1.idisk
Lun 4 Path=/dev/sdb1,Type=fileio
Alias sdb
然後啟動的時候dmesg資訊為:
iSCSI Enterprise Target Software - version 0.4.15
iotype_init(92) register fileio
iotype_init(92) register blockio
iotype_init(92) register nullio
日誌資訊:
Oct 25 16:31:35 test kernel: iSCSI Enterprise Target Software - version 0.4.15
Oct 25 16:31:35 test kernel: iotype_init(92) register fileio
Oct 25 16:31:35 test kernel: iotype_init(92) register blockio
Oct 25 16:31:35 test kernel: iotype_init(92) register nullio

在這個地方我搞了好久,看大家的文章一直設定檔都是可以如下配置的:
Target iqn.2001-04.com.example:storage.disk2.sys1.xyz
Lun 0 /dev/sdb1 fileio
Alias Test
但是我的一直不行,我原來是虛擬機器,然後重新安裝了redhat4u4,還是不行,後來有安裝了redhat5,還是不行.

中間我也試過用如下設定檔:
User userid superpassword
Target iqn.2001-04.com.example:storage.disk2.sys1.xyz
Lun 0 Path=/dev/sdb1, type=fileio
Alias Test
可是還不行,最後發現type開頭字母我把它寫成小寫了.

二,Red Hat linux iSCSI initiator configuration
1,作業系統:
[root@rac1 ~]# cat /etc/issue
Enterprise Linux Enterprise Linux AS release 4 (October Update 4)
Kernel r on an m
[root@rac1 ~]#
2,安裝initiator
[root@rac1 ~]# rpm -ivh iscsi-initiator-utils-4.0.3.0-4.i386.rpm
warning: iscsi-initiator-utils-4.0.3.0-4.i386.rpm: V3 DSA signature: NOKEY, key ID db42a60e
Preparing... ########################################### [100%]
1:iscsi-initiator-utils ########################################### [100%]
[root@rac1 ~]#
3,修改/etc/iscsid.conf 檔案
vi /etc/iscsid.conf
修改下面3項:
DiscoveryAddress=<IP Address>
This needs to be set to the Group IP Address of your UIT Array.
SendAsyncText=yes
For the initiator to receive Vendor Specific async events from the target.
Continuous=yes
To globally specify that all discovery sessions be kept open.
4,啟動服務
[root@rac1 etc]# service iscsi start
Checking iscsi config: [ OK ]
Loading iscsi driver: [ OK ]
mknod: `/dev/iscsictl': File exists
Starting iscsid: [ OK ]
[root@rac1 etc]#
5,設定iscsi服務
[root@rac1 etc]# chkconfig --list iscsi
[root@rac1 etc]# chkconfig --add iscsi
[root@rac1 etc]# chkconfig --add iscsi
[root@rac1 etc]# chkconfig iscsi on
[root@rac1 etc]# chkconfig --list iscsi
iscsi 0:off 1:off 2:on 3:on 4:on 5:on 6:off
6,察看scsi裝置
[root@rac1 etc]# iscsi-ls
*******************************************************************************
SFNet iSCSI Driver Version ...4:0.1.11-3(02-May-2006)
*******************************************************************************
[root@rac1 etc]#
7, 正常情況下應該是:
[root@rac1 ~]# iscsi-ls
*******************************************************************************
SFNet iSCSI Driver Version ...4:0.1.11-3(02-May-2006)
*******************************************************************************
TARGET NAME : iqn.2001-04.com.example:storage.disk2.sys1.idisk
TARGET ALIAS :
HOST ID : 6
BUS ID : 0
TARGET ID : 0
TARGET ADDRESS : 172.25.1.100:3260,1
SESSION STATUS : ESTABLISHED AT Thu Oct 25 00:46:13 CST 2007
SESSION ID : ISID 00023d000001 TSIH 200
*******************************************************************************
[root@rac1 ~]#

8,通過dmesg可以看到新增加的裝置。

 

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