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

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

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 Nassau Community College ITE153 – Operating Systems

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

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

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 Nassau Community College ITE153 – Operating Systems

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

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

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

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

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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

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 Nassau Community College ITE153 – Operating Systems

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

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

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

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

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

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

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

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 Nassau Community College ITE153 – Operating Systems

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

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

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

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

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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

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

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 Nassau Community College ITE153 – Operating Systems

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

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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 Nassau Community College ITE153 – Operating Systems

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

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 Nassau Community College ITE153 – Operating Systems

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

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 Nassau Community College ITE153 – Operating Systems

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

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

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