User's Manual

Synology DiskStation User's Guide
Based on DSM 3.0
45 Chapter 4: Manage Storage Space
4 Select the iSCSI LUN type you want to create.
 iSCSI LUN (block-level): The iSCSI LUN is created on one or more disks. You can repair or expand it, or
change its RAID type, just like using a volume.
 iSCSI LUN (regular files): The iSCSI LUN is created by designating a portion of the volume space for its
usage. Follow the steps below to continue.
5 Click Next.
6 Set up iSCSI LUN configuration, including Name, Location, Thin Provisioning, Capacity (GB), iSCSI Target
Mapping.
7 Click Next.
8 Confirm the settings. Click Back to modify settings or confirm by clicking Apply.
Term explanations
Thin Provisioning: Thin Provisioning is a method for optimizing storage utilization by allocating storage space
in a dynamic and on-demand manner. This setting is only available for iSCSI LUN (regular files).
iSCSI Target Mapping: Map the iSCSI LUN to one or more iSCSI Targets.
To remove an iSCSI LUN:
By removing an iSCSI LUN, all data on the iSCSI LUN will be deleted. The connection between the iSCSI LUN
and any mapped iSCSI Target will also be lost.
1 Select the iSCSI LUN you'd like to remove.
2 Click Remove.
3 Click Cancel to abort or OK to confirm.
To edit an iSCSI LUN:
1 Select the iSCSI LUN you'd like to edit.
2 Click Edit.
3 Edit the Properties and Mapping to your preference.
4 Click OK to save the settings.
Note: To avoid data loss when editing iSCSI LUN capacity, you can only make it larger than the current size.