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课程第19次：2020-03-16星期一

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botang

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发表于 2020-3-16 19:54:57 | 显示全部楼层 |阅读模式
1. iSCSI:

1.1 target:
  1. [root@classroom ~]# yum list "target*"
  2. Updating Subscription Management repositories.
  3. Unable to read consumer identity
  4. This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
  5. Last metadata expiration check: 1:24:39 ago on Mon 16 Mar 2020 07:23:38 PM CST.
  6. Available Packages
  7. target-restore.noarch                  2.1.fb69-3.el8                  BaseOS   
  8. targetcli.noarch                       2.1.fb49-1.el8                  AppStream
  9. [root@classroom ~]# yum -y install targetcli.noarch
  10. Updating Subscription Management repositories.
  11. Unable to read consumer identity
  12. This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
  13. Last metadata expiration check: 1:24:51 ago on Mon 16 Mar 2020 07:23:38 PM CST.
  14. Dependencies resolved.
  15. ================================================================================
  16. Package                 Arch       Version                 Repository     Size
  17. ================================================================================
  18. Installing:
  19. targetcli               noarch     2.1.fb49-1.el8          AppStream      73 k
  20. Installing dependencies:
  21. python3-configshell     noarch     1:1.1.fb25-1.el8        BaseOS         74 k
  22. python3-kmod            x86_64     0.9-20.el8              BaseOS         90 k
  23. python3-pyparsing       noarch     2.1.10-7.el8            BaseOS        142 k
  24. python3-rtslib          noarch     2.1.fb69-3.el8          BaseOS        100 k
  25. python3-urwid           x86_64     1.3.1-4.el8             BaseOS        783 k
  26. target-restore          noarch     2.1.fb69-3.el8          BaseOS         23 k

  28. Transaction Summary
  29. ================================================================================
  30. Install  7 Packages

  32. Total size: 1.3 M
  33. Installed size: 4.7 M
  34. Downloading Packages:
  35. Running transaction check
  36. Transaction check succeeded.
  37. Running transaction test
  38. Transaction test succeeded.
  39. Running transaction
  40.   Preparing        :                                                        1/1
  41.   Installing       : python3-urwid-1.3.1-4.el8.x86_64                       1/7
  42.   Installing       : python3-pyparsing-2.1.10-7.el8.noarch                  2/7
  43.   Installing       : python3-configshell-1:1.1.fb25-1.el8.noarch            3/7
  44.   Installing       : python3-kmod-0.9-20.el8.x86_64                         4/7
  45.   Installing       : python3-rtslib-2.1.fb69-3.el8.noarch                   5/7
  46.   Installing       : target-restore-2.1.fb69-3.el8.noarch                   6/7
  47.   Running scriptlet: target-restore-2.1.fb69-3.el8.noarch                   6/7
  48.   Installing       : targetcli-2.1.fb49-1.el8.noarch                        7/7
  49.   Running scriptlet: targetcli-2.1.fb49-1.el8.noarch                        7/7
  50.   Verifying        : targetcli-2.1.fb49-1.el8.noarch                        1/7
  51.   Verifying        : python3-configshell-1:1.1.fb25-1.el8.noarch            2/7
  52.   Verifying        : python3-kmod-0.9-20.el8.x86_64                         3/7
  53.   Verifying        : python3-pyparsing-2.1.10-7.el8.noarch                  4/7
  54.   Verifying        : python3-rtslib-2.1.fb69-3.el8.noarch                   5/7
  55.   Verifying        : python3-urwid-1.3.1-4.el8.x86_64                       6/7
  56.   Verifying        : target-restore-2.1.fb69-3.el8.noarch                   7/7
  57. Installed products updated.

  59. Installed:
  60.   targetcli-2.1.fb49-1.el8.noarch                                               
  61.   python3-configshell-1:1.1.fb25-1.el8.noarch                                   
  62.   python3-kmod-0.9-20.el8.x86_64                                                
  63.   python3-pyparsing-2.1.10-7.el8.noarch                                         
  64.   python3-rtslib-2.1.fb69-3.el8.noarch                                          
  65.   python3-urwid-1.3.1-4.el8.x86_64                                             
  66.   target-restore-2.1.fb69-3.el8.noarch                                          

  68. Complete!
  69. [root@classroom ~]# systemctl enable target
  70. Created symlink /etc/systemd/system/multi-user.target.wants/target.service → /usr/lib/systemd/system/target.service.
  71. [root@classroom ~]# firewall-cmd --permanet --add-port 3260/tcp
  72. usage: see firewall-cmd man page
  73. firewall-cmd: error: unrecognized arguments: --permanet
  74. [root@classroom ~]# firewall-cmd --permanent --add-port 3260/tcp
  75. FirewallD is not running
  76. [root@classroom ~]# targetcli  
  77. Warning: Could not load preferences file /root/.targetcli/prefs.bin.
  78. targetcli shell version 2.1.fb49
  79. Copyright 2011-2013 by Datera, Inc and others.
  80. For help on commands, type 'help'.

  82. /> ls
  83. o- / ..................................................................... [...]
  84.   o- backstores .......................................................... [...]
  85.   | o- block .............................................. [Storage Objects: 0]
  86.   | o- fileio ............................................. [Storage Objects: 0]
  87.   | o- pscsi .............................................. [Storage Objects: 0]
  88.   | o- ramdisk ............................................ [Storage Objects: 0]
  89.   o- iscsi ........................................................ [Targets: 0]
  90.   o- loopback ..................................................... [Targets: 0]
  91. /> cd backstores
  92. /backstores> ls
  93. o- backstores ............................................................ [...]
  94.   o- block ................................................ [Storage Objects: 0]
  95.   o- fileio ............................................... [Storage Objects: 0]
  96.   o- pscsi ................................................ [Storage Objects: 0]
  97.   o- ramdisk .............................................. [Storage Objects: 0]
  98. /backstores> cd block
  99. /backstores/block> help

  101. GENERALITIES
  102. ============
  103. This is a shell in which you can create, delete and configure
  104. configuration objects.

  106. The available commands depend on the current path or target
  107. path you want to run a command in: different path have
  108. different sets of available commands, i.e. a path pointing at
  109. an iscsi target will not have the same availaible commands as,
  110. say, a path pointing at a storage object.

  112. The prompt that starts each command line indicates your
  113. current path. Alternatively (useful if the prompt displays
  114. an abbreviated path to save space), you can run the
  115. pwd command to display the complete current path.

  117. Navigating the tree is done using the cd command. Without
  118. any argument, cd will present you with the full objects
  119. tree. Just use arrows to select the destination path, and
  120. enter will get you there. Please try help cd for navigation
  121. tips.

  123. COMMAND SYNTAX
  124. ==============
  125. Commands are built using the following syntax:

  127. [TARGET_PATH] COMMAND_NAME [OPTIONS]

  129. The TARGET_PATH indicates the path to run the command from.
  130. If ommited, the command will be run from your current path.

  132. The OPTIONS depend on the command. Please use help
  133. COMMAND to get more information.


  136. AVAILABLE COMMANDS
  137. ==================
  138. The following commands are available in the
  139. current path:

  141.   - bookmarks action [bookmark]
  142.   - cd [path]
  143.   - create name dev [readonly] [wwn]
  144.   - delete name [save]
  145.   - exit
  146.   - get [group] [parameter...]
  147.   - help [topic]
  148.   - ls [path] [depth]
  149.   - pwd
  150.   - refresh
  151.   - set [group] [parameter=value...]
  152.   - status
  153. /backstores/block>  create  shareddisk1 /dev/vol0/lv0
  154. Created block storage object shareddisk1 using /dev/vol0/lv0.
  155. /backstores/block> ls
  156. o- block .............................................................................. [Storage Objects: 1]
  157.   o- shareddisk1 .......................................... [/dev/vol0/lv0 (50.0GiB) write-thru deactivated]
  158.     o- alua ............................................................................... [ALUA Groups: 1]
  159.       o- default_tg_pt_gp ................................................... [ALUA state: Active/optimized]
  160. /backstores/block> cd ..
  161. /backstores> ls
  162. o- backstores ........................................................................................ [...]
  163.   o- block ............................................................................ [Storage Objects: 1]
  164.   | o- shareddisk1 ........................................ [/dev/vol0/lv0 (50.0GiB) write-thru deactivated]
  165.   |   o- alua ............................................................................. [ALUA Groups: 1]
  166.   |     o- default_tg_pt_gp ................................................. [ALUA state: Active/optimized]
  167.   o- fileio ........................................................................... [Storage Objects: 0]
  168.   o- pscsi ............................................................................ [Storage Objects: 0]
  169.   o- ramdisk .......................................................................... [Storage Objects: 0]
  170. /backstores> cd ..
  171. /> ls
  172. o- / ................................................................................................. [...]
  173.   o- backstores ...................................................................................... [...]
  174.   | o- block .......................................................................... [Storage Objects: 1]
  175.   | | o- shareddisk1 ...................................... [/dev/vol0/lv0 (50.0GiB) write-thru deactivated]
  176.   | |   o- alua ........................................................................... [ALUA Groups: 1]
  177.   | |     o- default_tg_pt_gp ............................................... [ALUA state: Active/optimized]
  178.   | o- fileio ......................................................................... [Storage Objects: 0]
  179.   | o- pscsi .......................................................................... [Storage Objects: 0]
  180.   | o- ramdisk ........................................................................ [Storage Objects: 0]
  181.   o- iscsi .................................................................................... [Targets: 0]
  182.   o- loopback ................................................................................. [Targets: 0]
  183. /> cd iscsi
  184. /iscsi> ls
  185. o- iscsi ...................................................................................... [Targets: 0]
  186. /iscsi> help

  188. GENERALITIES
  189. ============
  190. This is a shell in which you can create, delete and configure
  191. configuration objects.

  193. The available commands depend on the current path or target
  194. path you want to run a command in: different path have
  195. different sets of available commands, i.e. a path pointing at
  196. an iscsi target will not have the same availaible commands as,
  197. say, a path pointing at a storage object.

  199. The prompt that starts each command line indicates your
  200. current path. Alternatively (useful if the prompt displays
  201. an abbreviated path to save space), you can run the
  202. pwd command to display the complete current path.

  204. Navigating the tree is done using the cd command. Without
  205. any argument, cd will present you with the full objects
  206. tree. Just use arrows to select the destination path, and
  207. enter will get you there. Please try help cd for navigation
  208. tips.

  210. COMMAND SYNTAX
  211. ==============
  212. Commands are built using the following syntax:

  214. [TARGET_PATH] COMMAND_NAME [OPTIONS]

  216. The TARGET_PATH indicates the path to run the command from.
  217. If ommited, the command will be run from your current path.

  219. The OPTIONS depend on the command. Please use help
  220. COMMAND to get more information.


  223. AVAILABLE COMMANDS
  224. ==================
  225. The following commands are available in the
  226. current path:

  228.   - bookmarks action [bookmark]
  229.   - cd [path]
  230.   - create [wwn]
  231.   - delete wwn
  232.   - exit
  233.   - get [group] [parameter...]
  234.   - help [topic]
  235.   - info
  236.   - ls [path] [depth]
  237.   - pwd
  238.   - refresh
  239.   - set [group] [parameter=value...]
  240.   - status
  241.   - version
  242. /iscsi> create  iqn.2020-03.com.example.classroom:shareddisk1
  243. Created target iqn.2020-03.com.example.classroom:shareddisk1.
  244. Created TPG 1.
  245. Global pref auto_add_default_portal=true
  246. Created default portal listening on all IPs (0.0.0.0), port 3260.
  247. /iscsi> ls
  248. o- iscsi ...................................................................................... [Targets: 1]
  249.   o- iqn.2020-03.com.example.classroom:shareddisk1 ............................................... [TPGs: 1]
  250.     o- tpg1 ......................................................................... [no-gen-acls, no-auth]
  251.       o- acls .................................................................................... [ACLs: 0]
  252.       o- luns .................................................................................... [LUNs: 0]
  253.       o- portals .............................................................................. [Portals: 1]
  254.         o- 0.0.0.0:3260 ............................................................................... [OK]
  255. /iscsi> cd
  256. <                                               >                                               
  257. @last                                           iqn.2020-03.com.example.classroom:shareddisk1/  
  258. path=                                          
  259. /iscsi> cd iqn.2020-03.com.example.classroom:shareddisk1/tpg1/
  260. iqn.2020-03.com.example.classroom:shareddisk1/tpg1/acls/     
  261. iqn.2020-03.com.example.classroom:shareddisk1/tpg1/luns/     
  262. iqn.2020-03.com.example.classroom:shareddisk1/tpg1/portals/  
  263. /iscsi> cd iqn.2020-03.com.example.classroom:shareddisk1/tpg1/
  264. /iscsi/iqn.20...reddisk1/tpg1> ls
  265. o- tpg1 ............................................................................. [no-gen-acls, no-auth]
  266.   o- acls ........................................................................................ [ACLs: 0]
  267.   o- luns ........................................................................................ [LUNs: 0]
  268.   o- portals .................................................................................. [Portals: 1]
  269.     o- 0.0.0.0:3260 ................................................................................... [OK]
  270. /iscsi/iqn.20...reddisk1/tpg1> cd acls
  271. /iscsi/iqn.20...sk1/tpg1/acls> ls
  272. o- acls .......................................................................................... [ACLs: 0]
  273. /iscsi/iqn.20...sk1/tpg1/acls> help

  275. GENERALITIES
  276. ============
  277. This is a shell in which you can create, delete and configure
  278. configuration objects.

  280. The available commands depend on the current path or target
  281. path you want to run a command in: different path have
  282. different sets of available commands, i.e. a path pointing at
  283. an iscsi target will not have the same availaible commands as,
  284. say, a path pointing at a storage object.

  286. The prompt that starts each command line indicates your
  287. current path. Alternatively (useful if the prompt displays
  288. an abbreviated path to save space), you can run the
  289. pwd command to display the complete current path.

  291. Navigating the tree is done using the cd command. Without
  292. any argument, cd will present you with the full objects
  293. tree. Just use arrows to select the destination path, and
  294. enter will get you there. Please try help cd for navigation
  295. tips.

  297. COMMAND SYNTAX
  298. ==============
  299. Commands are built using the following syntax:

  301. [TARGET_PATH] COMMAND_NAME [OPTIONS]

  303. The TARGET_PATH indicates the path to run the command from.
  304. If ommited, the command will be run from your current path.

  306. The OPTIONS depend on the command. Please use help
  307. COMMAND to get more information.


  310. AVAILABLE COMMANDS
  311. ==================
  312. The following commands are available in the
  313. current path:

  315.   - bookmarks action [bookmark]
  316.   - cd [path]
  317.   - create wwn [add_mapped_luns]
  318.   - delete wwn
  319.   - exit
  320.   - get [group] [parameter...]
  321.   - help [topic]
  322.   - ls [path] [depth]
  323.   - pwd
  324.   - refresh
  325.   - set [group] [parameter=value...]
  326.   - status
  327.   - tag wwn_or_tag new_tag
  328.   - untag wwn_or_tag
  329. /iscsi/iqn.20...sk1/tpg1/acls> create iqn.2020-03.com.example.server5:shareddisk1
  330. Created Node ACL for iqn.2020-03.com.example.server5:shareddisk1
  331. /iscsi/iqn.20...sk1/tpg1/acls> create iqn.2020-03.com.example.server4:shareddisk1
  332. Created Node ACL for iqn.2020-03.com.example.server4:shareddisk1
  333. /iscsi/iqn.20...sk1/tpg1/acls> ls
  334. o- acls .......................................................................................... [ACLs: 2]
  335.   o- iqn.2020-03.com.example.server4:shareddisk1 .......................................... [Mapped LUNs: 0]
  336.   o- iqn.2020-03.com.example.server5:shareddisk1 .......................................... [Mapped LUNs: 0]
  337. /iscsi/iqn.20...sk1/tpg1/acls> cd ..
  338. /iscsi/iqn.20...reddisk1/tpg1> ls
  339. o- tpg1 ............................................................................. [no-gen-acls, no-auth]
  340.   o- acls ........................................................................................ [ACLs: 2]
  341.   | o- iqn.2020-03.com.example.server4:shareddisk1 ........................................ [Mapped LUNs: 0]
  342.   | o- iqn.2020-03.com.example.server5:shareddisk1 ........................................ [Mapped LUNs: 0]
  343.   o- luns ........................................................................................ [LUNs: 0]
  344.   o- portals .................................................................................. [Portals: 1]
  345.     o- 0.0.0.0:3260 ................................................................................... [OK]
  346. /iscsi/iqn.20...reddisk1/tpg1> cd  luns
  347. /iscsi/iqn.20...sk1/tpg1/luns> ls
  348. o- luns .......................................................................................... [LUNs: 0]
  349. /iscsi/iqn.20...sk1/tpg1/luns> ls
  350. o- luns .......................................................................................... [LUNs: 0]
  351. /iscsi/iqn.20...sk1/tpg1/luns> help

  353. GENERALITIES
  354. ============
  355. This is a shell in which you can create, delete and configure
  356. configuration objects.

  358. The available commands depend on the current path or target
  359. path you want to run a command in: different path have
  360. different sets of available commands, i.e. a path pointing at
  361. an iscsi target will not have the same availaible commands as,
  362. say, a path pointing at a storage object.

  364. The prompt that starts each command line indicates your
  365. current path. Alternatively (useful if the prompt displays
  366. an abbreviated path to save space), you can run the
  367. pwd command to display the complete current path.

  369. Navigating the tree is done using the cd command. Without
  370. any argument, cd will present you with the full objects
  371. tree. Just use arrows to select the destination path, and
  372. enter will get you there. Please try help cd for navigation
  373. tips.

  375. COMMAND SYNTAX
  376. ==============
  377. Commands are built using the following syntax:

  379. [TARGET_PATH] COMMAND_NAME [OPTIONS]

  381. The TARGET_PATH indicates the path to run the command from.
  382. If ommited, the command will be run from your current path.

  384. The OPTIONS depend on the command. Please use help
  385. COMMAND to get more information.


  388. AVAILABLE COMMANDS
  389. ==================
  390. The following commands are available in the
  391. current path:

  393.   - bookmarks action [bookmark]
  394.   - cd [path]
  395.   - create storage_object [lun] [add_mapped_luns]
  396.   - delete lun
  397.   - exit
  398.   - get [group] [parameter...]
  399.   - help [topic]
  400.   - ls [path] [depth]
  401.   - pwd
  402.   - refresh
  403.   - set [group] [parameter=value...]
  404.   - status
  405. /iscsi/iqn.20...sk1/tpg1/luns> create  /dev/vol0/lv0
  406. storage object or path not valid
  407. /iscsi/iqn.20...sk1/tpg1/luns> create shareddisk1
  408. storage object or path not valid
  409. /iscsi/iqn.20...sk1/tpg1/luns> create  /backstores/block/shareddisk1
  410. Created LUN 0.
  411. Created LUN 0->0 mapping in node ACL iqn.2020-03.com.example.server4:shareddisk1
  412. Created LUN 0->0 mapping in node ACL iqn.2020-03.com.example.server5:shareddisk1
  413. /iscsi/iqn.20...sk1/tpg1/luns> ls
  414. o- luns .......................................................................................... [LUNs: 1]
  415.   o- lun0 ........................................... [block/shareddisk1 (/dev/vol0/lv0) (default_tg_pt_gp)]
  416. /iscsi/iqn.20...sk1/tpg1/luns> cd ..
  417. /iscsi/iqn.20...reddisk1/tpg1> ls
  418. o- tpg1 ............................................................................. [no-gen-acls, no-auth]
  419.   o- acls ........................................................................................ [ACLs: 2]
  420.   | o- iqn.2020-03.com.example.server4:shareddisk1 ........................................ [Mapped LUNs: 1]
  421.   | | o- mapped_lun0 ......................................................... [lun0 block/shareddisk1 (rw)]
  422.   | o- iqn.2020-03.com.example.server5:shareddisk1 ........................................ [Mapped LUNs: 1]
  423.   |   o- mapped_lun0 ......................................................... [lun0 block/shareddisk1 (rw)]
  424.   o- luns ........................................................................................ [LUNs: 1]
  425.   | o- lun0 ......................................... [block/shareddisk1 (/dev/vol0/lv0) (default_tg_pt_gp)]
  426.   o- portals .................................................................................. [Portals: 1]
  427.     o- 0.0.0.0:3260 ................................................................................... [OK]
  428. /iscsi/iqn.20...reddisk1/tpg1> cd portals
  429. /iscsi/iqn.20.../tpg1/portals> ls
  430. o- portals .................................................................................... [Portals: 1]
  431.   o- 0.0.0.0:3260 ..................................................................................... [OK]
  432. /iscsi/iqn.20.../tpg1/portals> help

  434. GENERALITIES
  435. ============
  436. This is a shell in which you can create, delete and configure
  437. configuration objects.

  439. The available commands depend on the current path or target
  440. path you want to run a command in: different path have
  441. different sets of available commands, i.e. a path pointing at
  442. an iscsi target will not have the same availaible commands as,
  443. say, a path pointing at a storage object.

  445. The prompt that starts each command line indicates your
  446. current path. Alternatively (useful if the prompt displays
  447. an abbreviated path to save space), you can run the
  448. pwd command to display the complete current path.

  450. Navigating the tree is done using the cd command. Without
  451. any argument, cd will present you with the full objects
  452. tree. Just use arrows to select the destination path, and
  453. enter will get you there. Please try help cd for navigation
  454. tips.

  456. COMMAND SYNTAX
  457. ==============
  458. Commands are built using the following syntax:

  460. [TARGET_PATH] COMMAND_NAME [OPTIONS]

  462. The TARGET_PATH indicates the path to run the command from.
  463. If ommited, the command will be run from your current path.

  465. The OPTIONS depend on the command. Please use help
  466. COMMAND to get more information.


  469. AVAILABLE COMMANDS
  470. ==================
  471. The following commands are available in the
  472. current path:

  474.   - bookmarks action [bookmark]
  475.   - cd [path]
  476.   - create [ip_address] [ip_port]
  477.   - delete ip_address ip_port
  478.   - exit
  479.   - get [group] [parameter...]
  480.   - help [topic]
  481.   - ls [path] [depth]
  482.   - pwd
  483.   - refresh
  484.   - set [group] [parameter=value...]
  485.   - status
  486. /iscsi/iqn.20.../tpg1/portals> delete 0.0.0.0 3260
  487. Deleted network portal 0.0.0.0:3260
  488. /iscsi/iqn.20.../tpg1/portals> create 192.168.0.254 3260
  489. Using default IP port 3260
  490. Created network portal 192.168.0.254:3260.
  491. /iscsi/iqn.20.../tpg1/portals> ls
  492. o- portals .................................................................................... [Portals: 1]
  493.   o- 192.168.0.254:3260 ............................................................................... [OK]
  494. /iscsi/iqn.20.../tpg1/portals> cd /
  495. /> ls
  496. o- / ................................................................................................. [...]
  497.   o- backstores ...................................................................................... [...]
  498.   | o- block .......................................................................... [Storage Objects: 1]
  499.   | | o- shareddisk1 ........................................ [/dev/vol0/lv0 (50.0GiB) write-thru activated]
  500.   | |   o- alua ........................................................................... [ALUA Groups: 1]
  501.   | |     o- default_tg_pt_gp ............................................... [ALUA state: Active/optimized]
  502.   | o- fileio ......................................................................... [Storage Objects: 0]
  503.   | o- pscsi .......................................................................... [Storage Objects: 0]
  504.   | o- ramdisk ........................................................................ [Storage Objects: 0]
  505.   o- iscsi .................................................................................... [Targets: 1]
  506.   | o- iqn.2020-03.com.example.classroom:shareddisk1 ............................................. [TPGs: 1]
  507.   |   o- tpg1 ....................................................................... [no-gen-acls, no-auth]
  508.   |     o- acls .................................................................................. [ACLs: 2]
  509.   |     | o- iqn.2020-03.com.example.server4:shareddisk1 .................................. [Mapped LUNs: 1]
  510.   |     | | o- mapped_lun0 ................................................... [lun0 block/shareddisk1 (rw)]
  511.   |     | o- iqn.2020-03.com.example.server5:shareddisk1 .................................. [Mapped LUNs: 1]
  512.   |     |   o- mapped_lun0 ................................................... [lun0 block/shareddisk1 (rw)]
  513.   |     o- luns .................................................................................. [LUNs: 1]
  514.   |     | o- lun0 ................................... [block/shareddisk1 (/dev/vol0/lv0) (default_tg_pt_gp)]
  515.   |     o- portals ............................................................................ [Portals: 1]
  516.   |       o- 192.168.0.254:3260 ....................................................................... [OK]
  517.   o- loopback ................................................................................. [Targets: 0]
  518. /> quit
  519. Command not found quit
  520. /> exit
  521. Global pref auto_save_on_exit=true
  522. Configuration saved to /etc/target/saveconfig.json
  523. [root@classroom ~]# systemctl restart target
  524. [root@classroom ~]#
复制代码


1.2 initiator:
  1. [root@server5 iscsi]# systemctl enable iscsi
  2. [root@server5 iscsi]# systemctl enable iscsd
  3. Failed to enable unit: Unit file iscsd.service does not exist.
  4. [root@server5 iscsi]# systemctl enable iscsid
  5. Created symlink /etc/systemd/system/multi-user.target.wants/iscsid.service → /usr/lib/systemd/system/iscsid.service.
  6. [root@server5 iscsi]# systemctl restart iscsid
  7. [root@server5 iscsi]# systemctl restart iscsi
  8. [root@server5 iscsi]# cat /proc/partitions
  9. major minor  #blocks  name

  11.    8        0   52428800 sda
  12.    8        1     307200 sda1
  13.    8        2   18944000 sda2
  14.    8        3    1048576 sda3
  15.    8        4   32128000 sda4
  16.   11        0    1048575 sr0
  17. 253        0   51064832 dm-0
  18. [root@server5 iscsi]# iscsiadm -m discovery -t sendtargets -p classroom.example.com:3260
  19. 192.168.0.254:3260,1 iqn.2020-03.com.example.classroom:shareddisk1
  20. [root@server5 iscsi]# iscsiadm  -m node -T iqn.2020-03.com.example.classroom:shareddisk1  --login
  21. Logging in to [iface: default, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260] (multiple)
  22. Login to [iface: default, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260] successful.
  23. [root@server5 iscsi]# cat /proc/partitions
  24. major minor  #blocks  name

  26.    8        0   52428800 sda
  27.    8        1     307200 sda1
  28.    8        2   18944000 sda2
  29.    8        3    1048576 sda3
  30.    8        4   32128000 sda4
  31.   11        0    1048575 sr0
  32. 253        0   51064832 dm-0
  33.    8       16   52424704 sdb
  34.    8       17          1 sdb1
  35.    8       21    4764672 sdb5
  36.    8       22    4764672 sdb6
  37.    8       23    4764672 sdb7
  38.    8       24    4764672 sdb8
  39.    8       25    4764672 sdb9
  40.    8       26    4764672 sdb10
  41.    8       27    4764672 sdb11
  42.    8       28    4764672 sdb12
  43.    8       29    4764672 sdb13
  44.    8       30    4764672 sdb14
  45.    8       31    4764672 sdb15
  46. [root@server5 iscsi]# iscsiadm  -m node -T iqn.2020-03.com.example.classroom:shareddisk1  --logout
  47. Logging out of session [sid: 1, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260]
  48. Logout of [sid: 1, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260] successful.
  49. [root@server5 iscsi]# cat /proc/partitions
  50. major minor  #blocks  name

  52.    8        0   52428800 sda
  53.    8        1     307200 sda1
  54.    8        2   18944000 sda2
  55.    8        3    1048576 sda3
  56.    8        4   32128000 sda4
  57.   11        0    1048575 sr0
  58. 253        0   51064832 dm-0
  59. [root@server5 iscsi]# iscsiadm  -m node -T iqn.2020-03.com.example.classroom:shareddisk1  --login
  60. Logging in to [iface: default, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260] (multiple)
  61. Login to [iface: default, target: iqn.2020-03.com.example.classroom:shareddisk1, portal: 192.168.0.254,3260] successful.
  62. [root@server5 iscsi]# isc
  63. isc-hmac-fixup  iscsiadm        iscsid          iscsi-iname     iscsistart      iscsiuio        
  64. [root@server5 iscsi]# iscsiadm  -m session -P 7
  65. iscsiadm: Invalid info level 7. Try 0 - 3.
  66. [root@server5 iscsi]# iscsiadm  -m session -P 3
  67. iSCSI Transport Class version 2.0-870
  68. version 6.2.0.876-5
  69. Target: iqn.2020-03.com.example.classroom:shareddisk1 (non-flash)
  70.         Current Portal: 192.168.0.254:3260,1
  71.         Persistent Portal: 192.168.0.254:3260,1
  72.                 **********
  73.                 Interface:
  74.                 **********
  75.                 Iface Name: default
  76.                 Iface Transport: tcp
  77.                 Iface Initiatorname: iqn.2020-03.com.example.server5:shareddisk1
  78.                 Iface IPaddress: 192.168.0.105
  79.                 Iface HWaddress: default
  80.                 Iface Netdev: default
  81.                 SID: 2
  82.                 iSCSI Connection State: LOGGED IN
  83.                 iSCSI Session State: LOGGED_IN
  84.                 Internal iscsid Session State: NO CHANGE
  85.                 *********
  86.                 Timeouts:
  87.                 *********
  88.                 Recovery Timeout: 120
  89.                 Target Reset Timeout: 30
  90.                 LUN Reset Timeout: 30
  91.                 Abort Timeout: 15
  92.                 *****
  93.                 CHAP:
  94.                 *****
  95.                 username: <empty>
  96.                 password: ********
  97.                 username_in: <empty>
  98.                 password_in: ********
  99.                 ************************
  100.                 Negotiated iSCSI params:
  101.                 ************************
  102.                 HeaderDigest: None
  103.                 DataDigest: None
  104.                 MaxRecvDataSegmentLength: 262144
  105.                 MaxXmitDataSegmentLength: 262144
  106.                 FirstBurstLength: 65536
  107.                 MaxBurstLength: 262144
  108.                 ImmediateData: Yes
  109.                 InitialR2T: Yes
  110.                 MaxOutstandingR2T: 1
  111.                 ************************
  112.                 Attached SCSI devices:
  113.                 ************************
  114.                 Host Number: 33 State: running
  115.                 scsi33 Channel 00 Id 0 Lun: 0
  116.                         Attached scsi disk sdb          State: running
  117. [root@server5 iscsi]#
复制代码

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