Synology RS10613XS+0.96SSD-10G User's Guide Page 33

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Synology RackStation User's Guide
Based on DSM 4.1
33 Chapter 4: Manage Storage Space
Repair Degraded Volumes
If a volume status reads Degraded, please go to Main Menu > Storage Manager > RAID Group, and follow the
instructions displayed under the RAID Group status. Please refer to Help for more information.
Manage iSCSI LUNs
iSCSI is an Internet Protocol based storage networking standard for linking data storage facilities. iSCSI
facilitates data transfer over local area networks (LANs), wide area networks (WANs), or the Internet. By mapping
iSCSI Targets and iSCSI LUNs, client servers can access space on a storage server as if it were a local disk.
iSCSI LUN Types
Synology server currently supports the following types of iSCSI LUNs:
iSCSI LUN (Regular Files): This type of iSCSI LUN is created by designating a portion of a volume. It may be
later expanded as needed. This type of iSCSI LUN provides flexibility of dynamic capacity management with
Thin Provisioning.
iSCSI LUN (Block-Level): This type of iSCSI LUN is created on a RAID Group and provides flexibility of
dynamic capacity management in addition to optimized access performance. You can expand this type of
iSCSI LUN later using unallocated space on the RAID Group.
Create iSCSI LUNs
1 Go to Main Menu > Storage Manager > iSCSI LUN, and click Create.
2 Choose the desired iSCSI LUN type.
3 Edit the iSCSI LUN description, choose destination RAID Group, and allocate capacity (if selected iSCSI type
supports capacity allocation).
4 Follow the wizard to complete the setup.
Term Explanation
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.
Remove iSCSI LUNs
1 Go to Main Menu > Storage Manager > iSCSI LUN.
2 Select the iSCSI LUN to remove.
3 Click Remove.
4 Click OK to confirm.
Note: Removing an iSCSI LUN erases all existing data on the iSCSI LUN. Connections between the iSCSI LUN and
any mapped iSCSI Target will also be lost. Please confirm no important data is lost.
Edit iSCSI LUNs
1 Go to Main Menu > Storage Manager > iSCSI LUN.
2 Select the iSCSI LUN to edit.
3 Click Edit.
4 Edit desired settings.
5 Click OK to confirm.
Note: To avoid data loss when editing iSCSI LUN capacity, the capacity can only be made larger than the current
size.
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