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Standard Image File Device KernSafe Storage Center

Standard Image file disk is an RAW disk image file in KernSafe iSCSI SAN. KernSafe iSCSI SAN Server will create a disk based on an image file in host physical hard drive. The image file will be exported to an iSCSI device by the iSCSI server. The file operations to the iSCSI device will be converted to operating the image file automatically. Image file disk is the most popular way to create the iSCSI device, the image file allows quick data migration, backup and restore, so it is suitable for most of situations.

Create Image File Device

Follow the steps below to create a file image device:

Step 1. Click Add button on the top toolbar of the management system, then the Create iSCSI Target wizard popup up.

Choose 'Hard Disk ' in the iSCSI Device Type group.
Press the Next button to continue.

Step 2. Select image type of the iSCSI disk you want to create.

Choose 'Image File' from iSCSI Medium Type group.
Press the Next button to continue.

Step 3. Set image disk parameters.

In Image Disk Configuration window, user can either select to open an existed image file or choose to create a new image file. To create new image file, please select the location of the file where user wants to create the file, specify the capacity of the image file.

There are several options to choose from:

  • Fill whole content with zeros - will fill newly created file with zeros to assure that no other data is inside.
  • Sparse file - will help you save your hard disk space, the size of disk image file only depend on its content used.
  • Compressed - will compress image file to save space on hard drive.
  • Encrypted - will encrypt whole file using native NTFS encryption. Note, those three features are only valid on Windows version of KernSafe iSCSI SAN.

Press the Next button to continue.

Step 4. Finish Creating iSCSI Target.

Enter the Target Name.

Select an authorization mode, if you don't know how to it, you can see the topic Authorization Mechanism.

Global Authorization: Indecate target will inherit authorization information (CHAP and IPFilters) from global, otherwise target will have its own authorization information.

Concurrent Access: Indicate target allow concurrent read-write operations.

Report Readonly: Indicate target will report as read only device if initiator don't have write access.

Press the Finish button to complete iSCSI target creation.

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