配置targetcli

  1. 创建存储对象

创建块存储对象            cd /backstores/block        \          create block1 dev=/dev/sdb1            \          ls

创建fileio对象               cd /backstores/fileio         \          create fileio1 /tmp/foo1.img 50M     \          ls

[root@bogon /]# file /tmp/fool.img

/tmp/fool.img: data

[root@bogon /]# du -l /tmp/fool.img

0       /tmp/fool.img

[root@bogon /]#

创建ramdisk对象           cd /backstores/ramdisk    \          create ramdisk1 1M                           \        ls

/> ls

o- / ......................................................................................................................... [...]

  o- backstores .............................................................................................................. [...]

  | o- block .................................................................................................. [Storage Objects: 1]

  | | o- block1 ......................................................................... [/dev/sdb1 (80.0GiB) write-thru activated]

  | |   o- alua ................................................................................................... [ALUA Groups: 1]

  | |     o- default_tg_pt_gp ....................................................................... [ALUA state: Active/optimized]

  | o- fileio ................................................................................................. [Storage Objects: 1]

  | | o- fileiol .................................................................... [/tmp/fool.img (50.0MiB) write-back activated]

  | |   o- alua ................................................................................................... [ALUA Groups: 1]

  | |     o- default_tg_pt_gp ....................................................................... [ALUA state: Active/optimized]

  | o- pscsi .................................................................................................. [Storage Objects: 0]

  | o- ramdisk ................................................................................................ [Storage Objects: 1]

  |   o- ramdisk1 ............................................................................................. [(1.0MiB) activated]

2. 创建iscsi targetcli     create iqn.2010-05.org.linuxplus.srv1:tomstor1       \     pwd    \       ls

/> cd iscsi/

/iscsi> ls

o- iscsi .............................................................................................................. [Targets: 1]

  o- iqn.2020-05.org.linuxplus.srv1:tomstor1 ............................................................................. [TPGs: 1]

    o- tpg1 ................................................................................................. [no-gen-acls, no-auth]

3. 配置targetcli portal group（TPG）

配置portals

/iscsi> cd iqn.2020-05.org.linuxplus.srv1:tomstor1/tpg1/portals/

/iscsi/iqn.20.../tpg1/portals> ls

o- portals ........................................................ [Portals: 1]

  o- 0.0.0.0:3260 ......................................................... [OK]

/iscsi/iqn.20.../tpg1/portals> create

Using default IP port 3260

Binding to INADDR_ANY (0.0.0.0)

This NetworkPortal already exists in configFS

/iscsi/iqn.20.../tpg1/portals>

配置LUN : 添加块设备，ramdisk，fileio三个LUX

create /backstores/block/block1

       create /backstores/fileio/fileio1

       create /backstores/ramdisk/ramdisk1

/iscsi> cd iqn.2020-05.org.linuxplus.srv1:tomstor1/tpg1/luns/

/iscsi/iqn.20...or1/tpg1/luns> ls

o- luns .............................................................. [LUNs: 3]

  o- lun0 .................. [fileio/fileiol (/tmp/fool.img) (default_tg_pt_gp)]

  o- lun1 ................................ [ramdisk/ramdisk1 (default_tg_pt_gp)]

  o- lun2 ........................ [block/block1 (/dev/sdb1) (default_tg_pt_gp)]

/iscsi/iqn.20...or1/tpg1/luns>

配置ACL  (前提：能ping通)

查看iscsi initial查看其IQN

[root@kvm1 ~]# cat /etc/iscsi/initiatorname.iscsi

InitiatorName=iqn.1994-05.com.redhat:user1

[root@kvm1 ~]#

为每个initiator创建ACL

/iscsi/iqn.20...or1/tpg1/acls> pwd

/iscsi/iqn.2020-05.org.linuxplus.srv1:tomstor1/tpg1/acls

/iscsi/iqn.20...or1/tpg1/acls> create iqn.1994-05.com.redhat:user1

4. 保存配置 saveconfig

/> pwd

/

/> saveconfig

Configuration saved to /etc/target/saveconfig.json

/>

5. 设置target服务为自动启动

[root@bogon /]# systemctl enable target

[root@bogon /]# systemctl restart target

6. 检查配置

[root@bogon /]# targetcli

targetcli shell version 2.1.53

Copyright 2011-2013 by Datera, Inc and others.

For help on commands, type 'help'.

/>

看一下版本信息

[root@bogon ~]# uname -a

Linux bogon 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

[root@bogon ~]# cat /etc/redhat-release

CentOS Linux release 7.9.2009 (Core)

[root@bogon ~]#

安装targetcli安装包

[root@bogon ~]# yum -y install  targetcli

使用targetcli配置存储

[root@bogon ~]# targetcli

targetcli shell version 2.1.53

Copyright 2011-2013 by Datera, Inc and others.

For help on commands, type 'help'.

/> ls

o- / ......................................................................................................................... [...]

  o- backstores .............................................................................................................. [...]

  | o- block .................................................................................................. [Storage Objects: 1]

  | | o- block1 ......................................................................... [/dev/sdb1 (80.0GiB) write-thru activated]

  | |   o- alua ................................................................................................... [ALUA Groups: 1]

  | |     o- default_tg_pt_gp ....................................................................... [ALUA state: Active/optimized]

  | o- fileio ................................................................................................. [Storage Objects: 1]

  | | o- fileiol .................................................................... [/tmp/fool.img (50.0MiB) write-back activated]

  | |   o- alua ................................................................................................... [ALUA Groups: 1]

  | |     o- default_tg_pt_gp ....................................................................... [ALUA state: Active/optimized]

  | o- pscsi .................................................................................................. [Storage Objects: 0]

  | o- ramdisk ................................................................................................ [Storage Objects: 1]

  |   o- ramdisk1 ............................................................................................. [(1.0MiB) activated]

  |     o- alua ................................................................................................... [ALUA Groups: 1]

  |       o- default_tg_pt_gp ....................................................................... [ALUA state: Active/optimized]

  o- iscsi ............................................................................................................ [Targets: 1]

  | o- iqn.2020-05.org.linuxplus.srv1:tomstor1 ........................................................................... [TPGs: 1]

  |   o- tpg1 ............................................................................................... [no-gen-acls, no-auth]

  |     o- acls .......................................................................................................... [ACLs: 1]

  |     | o- iqn.1994-05.com.redhat:user1 ......................................................................... [Mapped LUNs: 3]

  |     |   o- mapped_lun0 .............................................................................. [lun0 fileio/fileiol (rw)]

  |     |   o- mapped_lun1 ............................................................................ [lun1 ramdisk/ramdisk1 (rw)]

  |     |   o- mapped_lun2 ................................................................................ [lun2 block/block1 (rw)]

  |     o- luns .......................................................................................................... [LUNs: 3]

  |     | o- lun0 .............................................................. [fileio/fileiol (/tmp/fool.img) (default_tg_pt_gp)]

  |     | o- lun1 ............................................................................ [ramdisk/ramdisk1 (default_tg_pt_gp)]

  |     | o- lun2 .................................................................... [block/block1 (/dev/sdb1) (default_tg_pt_gp)]

  |     o- portals .................................................................................................... [Portals: 1]

  |       o- 0.0.0.0:3260 ..................................................................................................... [OK]

  o- loopback ......................................................................................................... [Targets: 0]

/>

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