Code: Select all
# python -V
Python 3.5.3Code: Select all
# ls -la /etc/init.d/ |grep -E 'iscsi|targe|rts'
-rwxr-xr-x 1 root root 1503 jun 18 2017 iscsid
-rwxr-xr-x 1 root root 2503 jun 18 2017 open-iscsi
-rwxr-xr-x 1 root root 1799 fev 28 2016 rtslib-fb-targetctlCode: Select all
# apt install targetcli-fb
# truncate --size=215174086656 /iscsi/nvme-970evo/disk01.img
# targetcli
# create a "fileio" object connected to the new sparse file
/> /backstores/fileio create name=disk01 file_or_dev=/iscsi/nvme-970evo/disk01.img
# enable "emulated TPU" (enable TRIM / UNMAP / DISCARD)
/> /backstores/fileio/disk01 set attribute emulate_tpu=1
# create iSCSI storage object, ex: iqn.1992-01.com.example.my-desktop:storage:my-rpi3-docker
/> /iscsi create iqn.2019-01.local.labvm:storage01.iscsi:disk01
# create "LUN" assigned to the "fileio" object
/> /iscsi/iqn.2019-01.local.labvm:storage01.iscsi:disk01/tpg1/luns create /backstores/fileio/disk01
# create an ACL for my-rpi3 to connect
/> /iscsi/iqn.2019-01.local.labvm:storage01.iscsi:disk01/tpg1/acls create iqn.2019-01.local.labvm:node:disk01
# and set a CHAP username and password, for security
/> /iscsi/iqn.2019-01.local.labvm:storage01.iscsi:disk01//tpg1/acls/iqn.2019-01.local.labvm:node:disk01 set auth userid=root password=root
/> saveconfig
Global pref auto_save_on_exit=true
Last 10 configs saved in /etc/rtslib-fb-target/backup.
Configuration saved to /etc/rtslib-fb-target/saveconfig.json
/> ls
o- / ......................................................................................... [...]
o- backstores .............................................................................. [...]
| o- block .................................................................. [Storage Objects: 0]
| o- fileio ................................................................. [Storage Objects: 1]
| | o- disk01 .................... [/iscsi/nvme-970evo/disk01.img (200.4GiB) write-back activated]
| o- pscsi .................................................................. [Storage Objects: 0]
| o- ramdisk ................................................................ [Storage Objects: 0]
o- iscsi ............................................................................ [Targets: 1]
| o- iqn.2019-01.local.labvm:storage01.iscsi:disk01 .................................... [TPGs: 1]
| o- tpg1 ............................................................... [no-gen-acls, no-auth]
| o- acls .......................................................................... [ACLs: 1]
| | o- iqn.2019-01.local.labvm:node:disk01 .................................. [Mapped LUNs: 1]
| | o- mapped_lun0 ............................................... [lun0 fileio/disk01 (rw)]
| o- luns .......................................................................... [LUNs: 1]
| | o- lun0 .................................. [fileio/disk01 (/iscsi/nvme-970evo/disk01.img)]
| o- portals .................................................................... [Portals: 1]
| o- 0.0.0.0:3260 ..................................................................... [OK]
o- loopback ......................................................................... [Targets: 0]
o- vhost ............................................................................ [Targets: 0]
/> exit
# apt install open-iscsi
# vim /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2019-01.local.labvm:node:disk01
# vim /etc/iscsi/iscsid.conf
...
node.startup = manual
#node.startup = automatic
...
node.session.auth.authmethod = CHAP
node.session.auth.username = root
node.session.auth.password = root
...
# restart iscsid so all that takes effect (especially the InitiatorName change)
# service iscsid restart
# netstat -tulpn |grep :3260
tcp 0 0 0.0.0.0:3260 0.0.0.0:* LISTEN -
# iscsiadm --mode discovery --type sendtargets --portal 10.143.0.1
10.143.0.1:3260,1 iqn.2019-01.local.labvm:storage01.iscsi:disk01
# iscsiadm --mode node --targetname iqn.2019-01.local.labvm:storage01.iscsi:disk01 --portal 10.143.0.1 --login
Logging in to [iface: default, target: iqn.2019-01.local.labvm:storage01.iscsi:disk01, portal: 10.143.0.1,3260] (multiple)
Login to [iface: default, target: iqn.2019-01.local.labvm:storage01.iscsi:disk01, portal: 10.143.0.1,3260] successful.
>> List iscsi Sessions
# iscsiadm -m session -P 3
iSCSI Transport Class version 2.0-870
version 2.0-874
Target: iqn.2019-01.local.labvm:storage01.iscsi:disk01 (non-flash)
Current Portal: 10.143.0.1:3260,1
Persistent Portal: 10.143.0.1:3260,1
**********
Interface:
**********
Iface Name: default
Iface Transport: tcp
Iface Initiatorname: iqn.2019-01.local.labvm:node:disk01
Iface IPaddress: 10.143.0.1
Iface HWaddress: <empty>
Iface Netdev: <empty>
SID: 1
iSCSI Connection State: LOGGED IN
iSCSI Session State: LOGGED_IN
Internal iscsid Session State: NO CHANGE
*********
Timeouts:
*********
Recovery Timeout: 120
Target Reset Timeout: 30
LUN Reset Timeout: 30
Abort Timeout: 15
*****
CHAP:
*****
username: root
password: ********
username_in: <empty>
password_in: ********
************************
Negotiated iSCSI params:
************************
HeaderDigest: None
DataDigest: None
MaxRecvDataSegmentLength: 262144
MaxXmitDataSegmentLength: 262144
FirstBurstLength: 65536
MaxBurstLength: 262144
ImmediateData: Yes
InitialR2T: Yes
MaxOutstandingR2T: 1
************************
Attached SCSI devices:
************************
Host Number: 2 State: running
scsi2 Channel 00 Id 0 Lun: 0
Attached scsi disk sdc State: running
# lsblk --scsi
NAME HCTL TYPE VENDOR MODEL REV TRAN
sdc 2:0:0:0 disk LIO-ORG disk01 4.0 iscsi