How to use iSCSI Targets on Windows Computers

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Overview

This article will guide the administrator into mounting an iSCSI Target from the Synology DiskStation onto a Windows-based computer. Please make sure that an iSCSI Target has been created on the DiskStation and is ready for use.



Mounting iSCSI Targets on Windows

Note: Modern Windows computers may come with an iSCSI Initiator software already integrated with the operating system, if it is not available, the iSCSI Initiator software from Microsoft is available here.


Step 1:

  • Open the Microsoft iSCSI Initiator Software from Control Panel
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Step 2:

  • Click on Discovery
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Step 3:

  • Click on Add Portal...
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Step 4:

  • Enter the IP Address or the DNS Name of the Synology DiskStation, which is hosting the iSCSI Target
  • Click Ok
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Step 5:

  • After the iSCSI Portal is detected, click on Targets
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Step 6:

  • Select the Target to be used, and click Log On
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Step 7:

  • Click on Advanced if CHAP or any of the Advanced settings are enabled on the iSCSI Target on the Synology DiskStation
  • Enter the CHAP Credentials if needed
  • Close the Advanced Settings Window
  • Suggestion: enable the Automatically restore this connection when the computer starts or equivalent function, so when the computer boots, it will automatically mount the iSCSI Target.
  • Close the Log On to Target when finished.
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Step 8:

  • The iSCSI Target is now mounted
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Step 9:


Formatting the iSCSI Target for use on Windows

After a iSCSI Target has been mounted on a Windows computer, it will have to be formatted before it can be used.

Step 1:

  • Open Administrative Tools from Control Panel
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Step 2:

  • Open Computer Management
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Step 3:

  • A prompt will be displayed to Initialize the newly added virtual drive. Please select a partition style most appropriate for the disk to be used.
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Step 4:

  • Right click on the new disk (indicated by the black field), and select New Simple Volume
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Step 5:

  • Proceed forward with the Simple Volume Wizard
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Step 6:

  • Select the drive size to use for the new hard drive
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Step 7:

  • Assign a drive letter for the new hard drive
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Step 8:

  • Select a File system
  • Select a Allocation unit size
  • Enter a Volume label to be used on the new hard drive
  • Recommended: Enable Quick Format
  • And press Next
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Step 9:

  • Confirm the settings of the new drive
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Step 10:

  • The drive format will proceed and a new window will present itself denoting that the drive is ready for use.
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How to expand an iSCSI Target on a Windows Computer

This will guide administrators on how to expand an iSCSI Target Size - for growing storage on demand. Please note the following

  • The iSCSI Target will go off-line to conduct the Target size increase
  • Expanding a file system is dependent if the file system has this ability.

Step 1:

  • Note that the iSCSI Target is nearing maximum capacity...
  • Save and close all applications, open documents, etc, which are associated or have used the iSCSI Target
ISCSI-ExpandFS-01.png

Step 2:

Step 3:

  • Note the additional unallocated space.
ISCSI-ExpandFS-04.png

Step 4:

  • Right-click on the existing volume and click on Extend Volume
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Step 5:

  • Follow through the Extend Volume Wizard
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Step 6:

  • Leave the settings for default, which will use the maximum storage available.
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Step 7:

  • The Wizard has finished Extending the existing storage volume.
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Step 8:

  • Note the new storage capacity within Windows Disk Management
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Step 9:

  • Storage capacity increase within Windows Explorer
ISCSI-ExpandFS-10.png


Dismounting iSCSI Targets on Windows Computers

This will guide administrators to safely dismount or eject iSCSI Targets from Windows Computers

Step 1:

  • Save and close all applications, open documents, etc, which are associated or have used the iSCSI Target

Step 2:

  • Open iSCSI Initiator software from Control Panel, and proceed to Targets
  • Select the Target which is currently Connected
  • Click on Details
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Step 3:

  • Click on the Check Box by the Session Unique ID
  • Click Log off
  • Click Ok
  • The computer has successfully dismounted or ejected the iSCSI Target, and is no longer accessing it
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Step 4:

  • Note: This step is optional
  • Click on Discovery
  • Select the Synology DiskStation hosting the iSCSI Targets
  • Click Remove
  • Click Ok
  • Windows is no longer looking for iSCSI Targets on the Synology DiskStation
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