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Drive Imaging

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

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Drive Imaging

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  1. Drive Imaging Joe Cicero Northeast Wisconsin Technical College

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. 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

  7. 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

  8. 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

  9. 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.

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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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