A Basic iSCSI storage for SBD #

Install the package yast2-iscsi-lio-server:

# zypper install yast2-iscsi-lio-server

Start the iscsi-lio-server module in YaST:

# yast2 iscsi-lio-server

In the Service tab, under After reboot, select Start on boot.

Activate Open Port in Firewall.

In the Discovery tab, activate Discovery Authentication.

Under Authentication by Targets, enter a Username and Password.

Under Authentication by Initiators, enter a Mutual Username and Mutual Password. This password must be different from the Authentication by Targets password.

In the Target tab, select Add.

Change the Target name by replacing .com.example.

Add the IP Address of the server.

Select Add.

In the LUN Details window, enter the LUN Path to the 1 GB storage device (for example, /dev/vbd).

Select Ok.

Select Next.

Select Finish to close YaST.

To check the target setup, switch to the target CLI:

# targetcli

Show the configuration:

/> ls

Install the package yast2-iscsi-client:

# zypper install yast2-iscsi-client

Start the iscsid service:

# systemctl start iscsid

Open the iscsi-client module in YaST:

# yast2 iscsi-client

In the Discovered Targets tab, select Discovery.

Enter the IP address of the iSCSI target.

Clear No Discovery Authentication.

Under Authentication by Initiator, enter the initiator Username and Password.

Under Authentication by Targets, enter the target Username and Password.

Select Next.

After YaST discovers the iSCSI target, select Connect.

Under Startup, select onboot.

Select Next.

Select Ok to close YaST.

Check the iSCSI initiator:

# lsscsi
[0:0:1:0] cd/dvd QEMU QEMU DVD-ROM 2.5+ /dev/sr0
[2:0:0:0] disk LIO-ORG IBLOCK 4.0 /dev/sda

Look for a line with IBLOCK. In this example, the iSCSI device is /dev/sda.

Check the status of the iscsid service:

# systemctl status iscsid