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Drive Imaging. Joe Cicero Northeast Wisconsin Technical College. What is drive imaging?.

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Drive imaging

Drive Imaging

Joe Cicero

Northeast Wisconsin Technical College


What is drive imaging
What is drive imaging?

  • Also called a disk clone, an exact copy of a computer’s hard drive. The copy includes all the partition information, boot sectors, the file allocation table, operating system installation and application software.

  • The process of creating a disk image is called disk imagine or disk cloning. Typically, special disk imaging software is required to copy the hard drive data.


Why image a hard drive
Why image a hard drive?

  • How long does it take to build (1) pc’s OS including application software? – How about 10? 50? 100?

  • What is required to do a typical restore from backup media?

  • How long will it take to do a typical restore from backup media?

  • Disk images are used to transfer a hard drive’s contents during a hardware upgrade, to restore a hard drive’s contents during disaster recovery or when a hard drive is erased, and to transfer the contents of a hard drive from one computer to another.


Who would want to image a drive
Who would want to image a drive?

  • Companies who sell pre-configured systems.

  • Small businesses who sell pre-configured systems.

  • System Administrators who have to build multiple systems.

  • Computer Technicians who need to restore corrupted systems.

  • Tech savvy home users who want quick restoration of their home system.


What are the pro s and cons
What are the pro’s and cons?

  • Pro’s

    • Fast

    • Easy

    • Reliable

    • Flexible (media writeable)

  • Con’s

    • Partial Restore?

      • Some newer additions of this type of software will allow for restore points.


Disk image products
Disk image products?

  • Pay Products

    • Norton Ghost

    • R-Drive Image 3.0

    • WinImage

  • Free Products

    • Dd (Any Linux Distro Has Disk Dupe)

    • EaseUs Disk Copy (snap files)

    • PC Inspector Clone Maxx


What are some requirements
What are some requirements?

  • You’ll need a place to put your “image”.

  • This can be:

    • Second Partition (large enough)

    • Second Hard Drive

    • External Hard Drive

    • CD-R / DVD-R

    • Of a readable format for your program

      • FAT, NTFS, EXT3


Norton ghost 7 5 install
Norton Ghost (7.5) Install

  • For purposes of this class we will discuss local image creation only… to create a ghost diskette using Norton Ghost 7.5 follow these directions:

    • Install Symantic Ghost Corporate Edition

    • Accept the terms

    • Check “read and understood”

    • Select Standard Tools Only

    • Next, Next, Next, Install, Finish


Norton ghost boot disk creation
Norton Ghost Boot Disk Creation

  • Run the Ghost Boot Wizard

    • Select Boot Disk with CD-R/RW LPT and USB Support

    • Click Next, Next, Next, Next, Next, Start, OK, OK, Close, (Wait until files are written to disk), Click Finish.


Creating the image
Creating the Image.

  • Boot of the diskette you created.

    • Click OK

    • Select Local Partition… To Image… Ok… Select Part 1… Ok… Select C: Local Drive: Type some file name “Backup.gho” etc.

    • Click Save… High… Yes


Restoring from image
Restoring from image…

  • Boot of the diskette you created.

    • Click OK

    • Select Local Partition… From Image… Select C: Local Drive: Some file name “Backup.gho” etc.

    • Select Part 1… OK, OK, OK, Yes


Using disk dupe dd creating the backup partition
Using Disk Dupe (dd)Creating the backup partition.

  • Boot from your Knoppix CD

  • Select “K”... “System”… “QTParted”

    • Maximize this screen

  • Select “/dev/hda1”

    • Located on left side pane of window

  • Select “/dev/hda-1 free”

    • Located on right side pane of window

  • Right Click “/dev/hda-1 free” and Select “Create”

    • Create As Primary Partition

    • No Label

    • Size

      • (2 times the size of the partition you are backing up if possible)

      • (must be at least the same size of the partition you’re backing up)

    • Click “OK””

  • Select “Device” from the menu bar… then Select “Commit”

  • Click “Yes”

  • Click “OK”

  • Close the window

  • Select “K”…”Logout”…”Turn off computer”

  • Verify your system boots normally


Creating your image with dd
Creating your image with dd

  • Boot from the Auditor CD

  • Open a “Root” terminal window

    • Black window icon on task bar

  • Mount the partition you created above

    • At terminal window type the following command

    • mount /dev/hda2 /mnt/hda2

  • Create the backup image using disk dupe

    • dd if=/dev/hda1 of=/mnt/hda2/image.dd


Restoring from an image with dd
Restoring from an Image with dd

  • Boot from the Auditor CD

  • Open a “Root” terminal window

    • Black window icon on task bar

  • Mount the partition you created above

    • At terminal window type the following command

    • mount /dev/hda2 /mnt/hda2

  • Create the backup image using disk dupe

    • dd if=/mnt/hda2/image.dd of=/dev/hda1


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