ctladm - create the target using only cli

[Eugene M. Zheganin]

Hi,


my company is developing some sort of API for iSCSI managing, and at 
this time we are trying to figure out how to create and delete targets 
using ctladm and not usingb the configuration file.

And the relationship between LUNs and ports are unclear to us if we 
don't use the configuration file. As abount the creation of LUN 
everyting is clear:


ctladm create -b block -o file=/dev/zvol/dataflash/kvm/emz -o 
ctld_name=iqn.2016-04.net.playkey.iscsi:emz666,lun,0 -o 
scsiname=iqn.2016-04.net.playkey.iscsi:emz666,lun,0 -d EMZ666 -S EMZ666


But what next ? How do I create the port ? Because without port there's 
no way the iSCSI initiator would see the target. And there's no port, 
create created only the LUN:


[root at san:~]# ctladm portlist
Port Online Frontend Name     pp vp
0    YES    tpc      tpc      0  0
1    YES    camsim   camsim   0  0  naa.500000079e708702
2    YES    ioctl    ioctl    0  0
3    YES    iscsi    iscsi    257 1 
iqn.2016-04.net.playkey.iscsi:games,t,0x0101
4    YES    iscsi    iscsi    257 2 
iqn.2016-04.net.playkey.iscsi:games-worker01,t,0x0101
5    YES    iscsi    iscsi    257 3 
iqn.2016-04.net.playkey.iscsi:games-worker02,t,0x0101
6    YES    iscsi    iscsi    257 4 
iqn.2016-04.net.playkey.iscsi:games-worker03,t,0x0101
7    YES    iscsi    iscsi    257 5 
iqn.2016-04.net.playkey.iscsi:games-worker04,t,0x0101
8    YES    iscsi    iscsi    257 6 
iqn.2016-04.net.playkey.iscsi:games-worker05,t,0x0101
9    YES    iscsi    iscsi    257 7 
iqn.2016-04.net.playkey.iscsi:cirrascale1,t,0x0101
10   YES    iscsi    iscsi    257 8 
iqn.2016-04.net.playkey.iscsi:userdata1,t,0x0101
11   YES    iscsi    iscsi    257 9 
iqn.2016-04.net.playkey.iscsi:userdata2,t,0x0101
12   YES    iscsi    iscsi    257 10 
iqn.2016-04.net.playkey.iscsi:foobar,t,0x0101
13   YES    iscsi    iscsi    257 11 
iqn.2016-04.net.playkey.iscsi:guest1,t,0x0101
14   YES    iscsi    iscsi    257 12 
iqn.2016-04.net.playkey.iscsi:win7,t,0x0101
15   YES    iscsi    iscsi    257 13 
iqn.2016-04.net.playkey.iscsi:guest2,t,0x0101
16   YES    iscsi    iscsi    257 14 
iqn.2016-04.net.playkey.iscsi:guest3,t,0x0101
17   YES    iscsi    iscsi    257 19 
iqn.2016-04.net.playkey.iscsi:guest4,t,0x0101
19   YES    iscsi    iscsi    257 17 
iqn.2016-04.net.playkey.iscsi:zeppelin,t,0x0101

(obviously there's no entity named 'emz')

[root at san:~]# ctladm devlist
LUN Backend       Size (Blocks)   BS Serial Number    Device ID
   0 block            6442450944  512 MYSERIAL   0     MYDEVID 0
   1 block            6442450944  512 MYSERIAL   1     MYDEVID 1
   2 block            6442450944  512 MYSERIAL   2     MYDEVID 2
   3 block            6442450944  512 MYSERIAL   3     MYDEVID 3
   4 block            6442450944  512 MYSERIAL   4     MYDEVID 4
   5 block            6442450944  512 MYSERIAL   5     MYDEVID 5
   6 block              62914560  512 MYSERIAL   6     MYDEVID 6
   7 block             104857600  512 MYSERIAL   7     MYDEVID 7
   8 block             104857600  512 MYSERIAL   8     MYDEVID 8
   9 block                  2048  512 MYSERIAL   9     MYDEVID 9
  10 block             104857600  512 MYSERIAL  10     MYDEVID 10
  11 block             104857600  512 MYSERIAL  11 win7
  12 block             104857600  512 MYSERIAL  12 guest2
  13 block             104857600  512 MYSERIAL  13 guest3
  16 block             104857600  512 MYSERIAL  16 zeppelin
  15 block             104857600  512 666 guest4
  14 block             104857600  512 MYSERIAL7777 MYDEVID7777
  17 block                204800  512 EMZ666           EMZ666 <--- this 
is the device I want to create the target from.


Thanks.

Eugene.