Iscsi
Version vom 6. Dezember 2016, 15:50 Uhr von Janning (Diskussion | Beiträge)
Target
Install
root@doom:~# apt-get install iscsitarget iscsitarget-dkms
Create a Virtual Disk
root@doom:~# mkdir /mnt/md0/luns/
root@doom:~# cd /mnt/md0/luns
root@doom:~# dd if=/dev/zero of=lun0 count=100 bs=1G
iSCSI Target Enable
- /etc/default/iscsitarget
ISCSITARGET_ENABLE=true
iSCSI Target Config
- /etc/iet/ietd.conf
Target iqn.2020-12.org.xinux.doom:storage Lun 0 Path=/mnt/md0/luns/lun0,Type=fileio
iSCSI Target restart
systemctl restart iscsitarget
Initiator
iSCSI Initiator Install
root@rome:~# sudo apt-get install open-iscsi
Initiator
root@rome:~# apt install open-iscsi
iSCSI Initiator Configuration
Once the open-iscsi package is installed, edit /etc/iscsi/iscsid.conf changing the following:
node.startup = automatic
Discover
root@rome:~# iscsiadm -m discovery -t st -p 192.168.240.3 -d 3
iscsiadm: Max file limits 1024 4096
iscsiadm: starting sendtargets discovery, address 192.168.240.3:3260,
iscsiadm: connecting to 192.168.240.3:3260
iscsiadm: connected local port 59473 to 192.168.240.3:3260
iscsiadm: connected to discovery address 192.168.240.3
iscsiadm: login response status 0000
iscsiadm: discovery process to 192.168.240.3:3260 exiting
iscsiadm: disconnecting conn 0x18c7de0, fd 3
192.168.240.3:3260,1 iqn.2020-12.org.xinux.doom:storage
Login
iscsiadm -m node --login
Authentifizierung
Target
- /etc/iet/ietd.conf
IncomingUser initiator-admin sysadm
Target iqn.2020-12.org.xinux.doom:storage
IncomingUser initiator-admin sysadm
Initiator
# *************
# CHAP Settings
# *************
# To enable CHAP authentication set node.session.auth.authmethod
# to CHAP. The default is None.
node.session.auth.authmethod = CHAP
# To set a CHAP username and password for initiator
# authentication by the target(s), uncomment the following lines:
node.session.auth.username = initiator-admin
node.session.auth.password = sysadm
# To set a CHAP username and password for target(s)
# authentication by the initiator, uncomment the following lines:
#node.session.auth.username_in = initiator-admin
#node.session.auth.password_in = sysadm
# To enable CHAP authentication for a discovery session to the target
# set discovery.sendtargets.auth.authmethod to CHAP. The default is None.
discovery.sendtargets.auth.authmethod = CHAP
# To set a discovery session CHAP username and password for the initiator
# authentication by the target(s), uncomment the following lines:
discovery.sendtargets.auth.username = initiator-admin
discovery.sendtargets.auth.password = sysadm
# To set a discovery session CHAP username and password for target(s)
# authentication by the initiator, uncomment the following lines:
#discovery.sendtargets.auth.username_in = initiator-admin
#discovery.sendtargets.auth.password_in = sysadm
Links
https://help.ubuntu.com/lts/serverguide/iscsi-initiator.html