How to use iSCSI Targets on Mac Computers

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Overview

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



Mounting iSCSI Targets on Macs

Notes:

  • At the time this article was written, there is no Apple-branded iSCSI Initiator software for current Leopard or Snow Leopard operating systems. There are iSCSI Initiator Tools available from third parties. This guide will utilize an iSCSI Initiator available here
  • For best reliability of accessing Virtual Storage, it's best to eject the iSCSI Target prior to having either the Mac Computer going to sleep, or having the DiskStation hibernate the hard drives. Alternatively, the power management of DiskStation and the Mac computer can be disabled to avoid ejecting the iSCSI Target.

Step 1:

  • Open the globalSAN iSCSI from System Preferences
IscsiMac01.png

Step 2:

  • Click on Portals
IscsiMac02.png

Step 3:

  • Click on the + icon
  • Add the IP Address or DNS name of the Synology DiskStation which is hosting iSCSI Targets
  • Click Ok
IscsiMac03.png

Step 4:

  • Click on Targets
IscsiMac04.png

Step 5:

  • Select the iSCSI Target to be used
  • Click Log on
IscsiMac05.png

Step 6:

  • If CHAP is used, enter in the CHAP Information
  • If necessary, enable other options within this target menu if it is enabled on the iSCSI Target within the Synology DiskStation
  • Click Ok
IscsiMac06.png

Step 7:

  • The connection is now active, as indicated by the Check mark
IscsiMac07.png

Step 8:

IscsiMac07.png


Formatting the iSCSI Target for use on Macs

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


Step 1:

  • After mounting an iSCSI Target, a prompt will be displayed to Initialize the newly installed hard drive. Click on Initialize to proceed
  • Or alternatively, launch the Disk Utility
IscsiMac08.png

Step 2:

  • Select the new iSCSI Virtual Disk
  • Click on Partition
IscsiMac09.png

Step 3:

  • Select a Volume Scheme
  • Enter a Name for the Volume
  • Select a Format to be used on the Virtual Disk
  • Click Apply
IscsiMac10.png

Step 4:

  • Acknowledge that the partition process will begin
  • Click on Partition
IscsiMac11.png

Step 5:

  • The Mac will take a few moments to process the partitioning of the new drive
IscsiMac12.png

Step 5:

  • A New Volume has been created
IscsiMac13.png

Step 6:

  • A new volume will also be present on the Desktop, indicating that the new drive is ready to be used
IscsiMac14.png


Dismounting iSCSI Targets on Mac Computers

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


Step 1:

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

Step 2:

  • Eject the iSCSI Target from the Desktop or from Finder
IscsiMac15.png

Step 3:

  • Open the globalSAN iSCSI Initiator Software from System Preferences, and click on Targets
  • Select the iSCSI Target to be dismounted
  • Click Log Off
IscsiMac16.png

Step 4:

  • Acknowledge the warning, and click Disconnect
  • The Mac has successfully dismounted or ejected the iSCSI Target, and is no longer accessing it
IscsiMac16a.png

Step 5:

  • Note: this step is optional
  • Click on Portals
  • Select the Synology DiskStation hosting the iSCSI Targets
  • Click on the - key to remove the Synology DiskStation from the list of portals
  • The Mac is no longer looking for iSCSI Targets on the Synology DiskStation
IscsiMac17.png
Retrieved from "http://forum.synology.com/wiki/index.php/How_to_use_iSCSI_Targets_on_Mac_Computers"
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