Short guide on how to install iSCSI initiator on Ubuntu 20.04
First, we need to install open-iscsi
sudo apt -y install open-iscsi
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI1.png)
After installation we need to edit initiatorname.iscsi file
sudo vi /etc/iscsi/initiatorname.iscsi
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI2.png)
This is how file looks by default
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI3.png)
I will remove ign.1993-08… and add following into it:
You can change informaticar:ubuntu1 to whatever you like (domain:server)
InitiatorName=iqn.2020-10.informaticar:ubuntu1.initiator01
This is how it looks like in the end.
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI4.png)
If you wish to specify authentication for your iSCSI connection (you will have to setup authentication also on your ISCSI Target), you can do that in iscsiid.conf file.
sudo vi /etc/iscsi/iscsid.conf
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI5.png)
Under CHAP Settings uncomment following lines:
node.session.auth.authmethod = CHAP
In following two lines replace username and password with your own
node.session.auth.username = username
node.session.auth.password = password
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI6.png)
Ok, lets restart our iscsi service after these changes.
sudo systemctl restart iscsid open-iscsi
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI7.png)
My iSCSI Target is on 10.0.060, we will now try and discover our iSCSI Target
sudo iscsiadm -m discovery -t sendtargets -p 10.0.0.60
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI8.png)
Ok, my iSCSI Target is discovered.
Confirm status after discovery
sudo iscsiadm -m node -o show
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI9.png)
We will now login into target
sudo iscsiadm -m node --login
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI10-1024x74.png)
Confirm established session
sudo iscsiadm -m session -o show
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI11.png)
Next, we will check disk/partition layout.
On Ubuntu VM on which I’m preparing iSCSI Initiator I have only one disk (system disk sda) which is 125GB large
cat /proc/partitions
Ok, sdb is added, and it is our iscsi target drive.
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI12.png)
Since I’m also GUI guy I like to check status also in Disk Utility.
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI13.png)
Confirmed, my TrueNAS iSCSI Target is attached.
Configure iSCSI attached disk
Create label
sudo parted --script /dev/sdb "mklabel gpt"
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI14.png)
Make partition
sudo parted --script /dev/sdb "mkpart primary 0% 100%"
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI15.png)
I will also format it as ext4
sudo mkfs.ext4 /dev/sdb1
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI16.png)
Mount diskā¦
sudo mount /dev/sdb1 /mnt
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI17.png)
df -hT
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI18.png)
And done…
We can even see it nice in GUI view.
![](https://www.informaticar.net/wp-content/uploads/2020/11/UbuntuISCSI19.png)