1. Fall 2011 Nassau Community College ITE153 – Operating Systems Session 14 Windows XP Professional 1

2. Fall 2011 Nassau Community College ITE153 – Operating Systems Session 14 Windows XP Professional Managing Data Storage 2

3. Overview Working with Disk Management Working with Basic Disks Working with Dynamic Disks Preparing Disks when Upgrading to Windows XP Professional Managing Disks Defragmenting Volumes Fall 2011 3 Nassau Community College ITE153 – Operating Systems

4. Working with Disk Management DiskPart is a command-line version of Disk Management List view Graphic view Object number Fall 2011 4 Nassau Community College ITE153 – Operating Systems

5. Working with Basic Disks Organizing a Basic Disk Creating Partitions and Drives on a Basic Disk Adding a Basic Disk Fall 2011 5 Nassau Community College ITE153 – Operating Systems

6. Organizing a Basic Disk H: G: F: E: D: C: F: E: D: C: -OR--OR- Primary partitions Up to four primary partitions Up to three primary partitions and one extended partition with logical drives Extended partition with logical drives Fall 2011 6 Nassau Community College ITE153 – Operating Systems

7. Creating Partitions and Drives on a Basic Disk Creating a partition Creating a logical drive Fall 2011 7 Nassau Community College ITE153 – Operating Systems

8. Adding a Basic Disk Before adding a diskAfter adding a disk AddedAdded Fall 2011 8 Nassau Community College ITE153 – Operating Systems

9. Working with Dynamic Disks Converting from a Basic Disk to a Dynamic Disk Organizing a Dynamic Disk Creating a Volume Moving Dynamic Disks Fall 2011 9 Nassau Community College ITE153 – Operating Systems

10. Converting from a Basic Disk to a Dynamic Disk Disk Management DiskPart Fall 2011 10 Nassau Community College ITE153 – Operating Systems

11. Organizing a Dynamic Disk Striped volume Simple volume Spanned volume Contains disk space from a single disk Data is written alternately and evenly to two or more disks Includes disk space from two or more disks, filling the first disk, then the second, and so on Fall 2011 11 Nassau Community College ITE153 – Operating Systems

12. Creating a Volume A simple volume resides on a single dynamic disk To create a spanned or striped volume, you must have two or more dynamic disks You cannot use the new volume wizard to format a volume as FAT or FAT32 Fall 2011 12 Nassau Community College ITE153 – Operating Systems

13. Moving Dynamic Disks When moving a dynamic disk, select import foreign disk to update the dynamic database on the newly added disk When moving multidisk volumes, move all disks in the volume at the same time Moving a disk Fall 2011 13 Nassau Community College ITE153 – Operating Systems

14. Preparing Disks When Upgrading to Windows XP Professional Upgrading from Windows NT 4.0 with volume or striped sets Upgrading from Windows 2000 Professional with read-only disks containing volume or striped sets Back up data Delete volumes Install Windows XP Professional Convert basic disks to dynamic disks Create volume types Restore data Back up data In Windows 2000, use Disk Management to convert basic disks to dynamic disks Install Windows XP Professional Fall 2011 14 Nassau Community College ITE153 – Operating Systems

15. Managing Disks Viewing Disk Status and Properties Extending a Volume or Partition Deleting a Volume or Partition Changing a Drive Letter Creating a Mount Point Fall 2011 15 Nassau Community College ITE153 – Operating Systems

16. Viewing Disk Status and Properties Disk status Disk properties Fall 2011 16 Nassau Community College ITE153 – Operating Systems

17. Extending a Volume or Partition You can extend simple volumes and partitions that use NTFS You cannot extend a volume or partition that contains a system or boot volume Fall 2011 17 Nassau Community College ITE153 – Operating Systems

18. Deleting a Volume or Partition Fall 2011 18 Nassau Community College ITE153 – Operating Systems

19. Changing a Drive Letter Fall 2011 19 Nassau Community College ITE153 – Operating Systems

20. Creating a Mount Point Before adding a mount point After adding a mount point Fall 2011 20 Nassau Community College ITE153 – Operating Systems

21. Lab A: Working with Dynamic Disks Fall 2011 21 Nassau Community College ITE153 – Operating Systems

22.  Defragmenting Volumes Using Disk Defragmenter Using Defrag.exe Defragment Fall 2011 22 Nassau Community College ITE153 – Operating Systems

23. Using Disk Defragmenter Select partition to analyze Usage after defragmentation Usage before defragmentation Fall 2011 23 Nassau Community College ITE153 – Operating Systems

24. Using Defrag.exe Fall 2011 24 Nassau Community College ITE153 – Operating Systems

25. Review Working with Disk Management Working with Basic Disks Working with Dynamic Disks Preparing Disks when Upgrading to Windows XP Professional Managing Disks Defragmenting Volumes Fall 2011 25 Nassau Community College ITE153 – Operating Systems

26. Module 5: Configuring and Managing File Systems Fall 2011 26 Nassau Community College ITE153 – Operating Systems

27. Fall 2011 Nassau Community College ITE153 – Operating Systems Session 14 Windows XP Professional Configuring and Managing File Systems 27

28. Overview Working with File Systems Managing Data Compression Securing Data by Using EFS Fall 2011 28 Nassau Community College ITE153 – Operating Systems

29. Working with File Systems Using FAT or FAT32 Using NTFS Selecting a File System Converting File Systems Fall 2011 29 Nassau Community College ITE153 – Operating Systems

30. Using FAT or FAT32 FAT or FAT32: Works well on small disks with simple folder structures Supports dual-boot configurations Windows XP Professional Windows 98 FAT/FAT32FAT/FAT32 Fall 2011 30 Nassau Community College ITE153 – Operating Systems

31. Using NTFS NTFS provides: Improved reliability by identifying and not using bad sectors Enhanced security by using EFS and file permissions Improved management of storage growth Support for large volume sizes Fall 2011 31 Nassau Community College ITE153 – Operating Systems

32. Selecting a File System When selecting a file system, determine: How the computer is used The number and size of locally installed hard disks Security considerations The need for advanced file system features Fall 2011 32 Nassau Community College ITE153 – Operating Systems

33. Converting File Systems To: Windows XP NTFS on Windows 2000 NTFS on Windows NT FAT Conversion not necessary necessary Automatic conversion during upgrade Automatic Use convert command No conversion No conversion NTFS volume From:From: Fall 2011 33 Nassau Community College ITE153 – Operating Systems

34. Managing Data Compression Defining Compressed Files and Folders Compressing Files and Folders Copying and Moving Compressed Files and Folders Best Practices for Managing Data Compression Fall 2011 34 Nassau Community College ITE153 – Operating Systems

35. Defining Compressed Files and Folders NTFS files and folders have a compression state When accessed, files are automatically uncompressed Space allocation is based on uncompressed file size Compressed files and folders can be designated by color NTFS partition FileA FileB Fall 2011 35 Nassau Community College ITE153 – Operating Systems

36. Compressing Files and Folders Fall 2011 36 Nassau Community College ITE153 – Operating Systems

37. NTFS volumeRetains Inherits Inherits Copying and Moving Compressed Files and Folders CopyCopyMoveMove Move between volumes Copy between volumes Fall 2011 37 Nassau Community College ITE153 – Operating Systems

38. Best Practices for Managing Data Compression Determine which file types to compress Avoid compressing system or executable files Compress static data rather than data that changes frequently Use different display colors for compressed files and folders Fall 2011 38 Nassau Community College ITE153 – Operating Systems

39. Lab A: Configuring Disk Compression Fall 2011 39 Nassau Community College ITE153 – Operating Systems

40. Securing Data by Using EFS Introduction to EFS Encrypting a Folder or File Adding Authorized Users Decrypting a Folder or File Recovering an Encrypted Folder or File Best Practices for Implementing EFS Fall 2011 40 Nassau Community College ITE153 – Operating Systems

41. Introduction to EFS Is transparent to users and applications Is accessible only to authorized users Enables specification of a data recovery agent Encrypts files locally or across the network Enables encrypted files and folders to be designated by color ~~~~ ~~~~~ ~~~~ ~~~~~ Fall 2011 41 Nassau Community College ITE153 – Operating Systems

42. Encrypting a Folder or File Encrypt contents to secure data When file is saved, it is encrypted by using file encryption keys If designated, the recovery agent’s file encryption key is stored in the Data Recovery Field in the file header ~~~ ~~~~ ~~~ ~~~~ ~~~ ~~~~ ~~~ ~~~~ DRF The user’s file encryption key is stored in the Data Decryption Field ~~~ ~~~~ ~~~ ~~~~ DDF Fall 2011 42 Nassau Community College ITE153 – Operating Systems

43. Adding Authorized Users 2 1 Fall 2011 43 Nassau Community College ITE153 – Operating Systems

44. Decrypting a Folder or File File content appears on the screen in plaintext Your private key is applied to the DDF EFS automatically detects encryption and locates user certificate and associated private key ~~~~ ~~~~~ ~~~~ ~~~~~ DDF ~~~~ Fall 2011 44 Nassau Community College ITE153 – Operating Systems

45. Recovering an Encrypted Folder or File Owner’s key is unavailable ~~~~ ~~~~~ ~~~~ ~~~~~ Recovery agent uses his private key to recover file ~~~~ ~~~~~ ~~~~ ~~~~~ Fall 2011 45 Nassau Community College ITE153 – Operating Systems

46. Best Practices for Implementing EFS Encrypt the My Documents folder Encrypt folders rather than individual files Secure and archive keys and certificates Implement a recovery agent archive Fall 2011 46 Nassau Community College ITE153 – Operating Systems

47. Lab B: Securing Files by Using EFS Fall 2011 47 Nassau Community College ITE153 – Operating Systems

48. Review Working with File Systems Managing Data Compression Securing Data by Using EFS Fall 2011 48 Nassau Community College ITE153 – Operating Systems

49. Homework Review the Slides Review Lesson 5 In The Text Try This At Home Bring Up Ubuntu and Try It Fall 2011 Nassau Community College ITE153 – Operating Systems 49