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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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