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With Wikipedia:iSCSI you can access storage over an IP-based network.
The exported storage entity is the target and the importing entity is the initiator.
There are different modules available to set up the target. The Target Framework (STGT) was the standard before linux 2.6.38. The current standard is the target. Enterprise Target (IET) is an old implementation and Target Subsystem (SCST) is the successor of IET and was a possible candidate for kernel inclusion before the decision fell for LIO.
Setup with LIO
Using (plain) LIO utils
Setup with iSCSI Enterprise Target
Create the Target
Modify /etc/iet/ietd.conf accordingly
Hard Drive Target
Target iqn.2010-06.ServerName:desc Lun 0 Path=/dev/sdX,Type=blockio
File based Target
Use "dd" to create a file of the required size, this example is 10GB.
dd if=/dev/zero of=/root/os.img bs=1G count=10
Target iqn.2010-06.ServerName:desc Lun 0 Path=/root/os.img,Type=fileio
Start server services
rc.d start iscsi-target
Also you can "iscsi-target" to DAEMONS in /etc/rc.conf so that it starts up during boot.
- iSCSI Boot Booting Arch Linux with / on an iSCSI target.