By Rashid Khan Lesson 6-A Place for Everything: Storage Management.
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Transcript of By Rashid Khan Lesson 6-A Place for Everything: Storage Management.
![Page 1: By Rashid Khan Lesson 6-A Place for Everything: Storage Management.](https://reader036.fdocuments.in/reader036/viewer/2022062318/5517a4645503460e6e8b5ea8/html5/thumbnails/1.jpg)
by Rashid Khan
Lesson 6-A Place for Everything: Storage Management
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by Rashid Khan
Overview Differences between basic and dynamic
disks. Manage disk volumes on dynamic disks. The Windows Backup utility. Troubleshoot storage problems.
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by Rashid Khan
Differences Between Basic and Dynamic Disks Capabilities and limitations of basic disks. Advantages of dynamic disks. Using dynamic disks.
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by Rashid Khan
Capabilities and Limitations
of Basic Disks Each physical disk can have up to four
partitions. Each partition becomes the underlying
structure for data storage on the disk. The two types of partitions are primary
and extended.
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by Rashid Khan
Capabilities and Limitations
of Basic Disks Primary partitions are the partitions upon
which most operating systems are installed.
Each primary partition is identified by a separate drive letter.
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by Rashid Khan
Capabilities and Limitations
of Basic Disks Extended partitions can be divided into
multiple logical drives. By using extended and primary partitions,
a hard disk can be subdivided into a maximum of 24 drives.
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by Rashid Khan
Capabilities and Limitations
of Basic Disks
You can increase the number of discrete drives by using one extended partition in place of one of the four possible
primary partitions.
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by Rashid Khan
Advantages of Dynamic DisksDynamic disks:
Do not depend on partitions for dividing the physical disk into storage areas.
Use volumes that can be used to store data. Have the ability to increase the speed with
which data is read or written.
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by Rashid Khan
Advantages of Dynamic DisksDynamic disks provide fault tolerance by:
Creating live backups of data. Tracking special error correcting data.
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by Rashid Khan
Using Dynamic DisksDynamic disks should be used:
When the computers have multiple physical hard drives.
If the computers have a newer operating system, as earlier operating systems cannot use dynamic disks.
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by Rashid Khan
Manage Disk Volumes on Dynamic Disks Volumes that grow. Volumes that improve performance. Volumes that improve reliability.
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by Rashid Khan
Volumes That Grow The categories of volumes are simple,
extended, and spanned. Simple volumes exist on a single hard
disk. Extended volumes are an extension of a
simple volume. Spanned volumes offer flexibility in
allocating storage capacity.
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by Rashid Khan
Volumes That Grow
A simple volume
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by Rashid Khan
Volumes That Grow
A spanned volume
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Volumes That Improve Performance Striped volumes can be used to improve
the performance of a server. A striped volume consists of segments of
up to 32 different hard disks. Striped volumes lose all data even if a
single hard disk fails.
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Volumes That Improve Reliability Reliability of the data storage system can
be improved by increasing their fault tolerance.
To improve reliability, mirrored and Redundant Array of Inexpensive Disks (RAID)-5 volumes are used.
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by Rashid Khan
Volumes That Improve Reliability
A mirrored volume
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by Rashid Khan
Volumes That Improve Reliability
A RAID-5 volume
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by Rashid Khan
The Windows Backup Utility Backup options. Features and shortcomings. Performing a backup and restore.
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by Rashid Khan
Backup OptionsBackup hardware and software:
Hardware such as writeable or rewritable CDs or DVDs can be used if the data to be backed up is limited.
A tape drive can be used to back up large amount of data.
Windows Server 2003 includes a backup utility called Windows Backup.
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by Rashid Khan
Features and Shortcomings of Windows BackupFeatures of Windows Backup:
Automated System Restore (ASR). Volume Shadow Copy.
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by Rashid Khan
Features and Shortcomings of Windows BackupShortcomings of Windows Backup:
Backups created on Windows 2003 cannot be restored on any other operating system.
Windows Backup does not support writable optical drives as backup devices.
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by Rashid Khan
Performing a Backup and Restore with Windows BackupThe various types of backups are:
Normal Copy Incremental Differential Daily
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
The Backup or Restore Wizard for Windows Backup
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Backup or Restore
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Items to Back Up
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Performing a Backup and Restore with Windows Backup
Backing Up Drives
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Backup Type, Destination, and Name
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Backup Status
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Restoring from the Backup
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by Rashid Khan
Performing a Backup and Restore with Windows Backup
Restore Status
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by Rashid Khan
Troubleshooting Storage Problems Disk errors. Failing disks with mirrored volumes. Poor performance.
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by Rashid Khan
Disk Errors Disk errors can be system errors or bad
sectors. Windows offers an error-checking tool that
looks for and fixes physical and file system errors on a hard disk.
Scanning for bad sectors may take quite some time on large drives.
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by Rashid Khan
Disk Errors
Error-Checking Tool
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Disk Errors
Check Disk Options
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Failing Disks with Mirrored Volumes If the error-checking tool lists errors, the
mirroring process can be stopped. To stop the mirroring process, either break
or remove the mirror.
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by Rashid Khan
Poor Performance The poor performance in accessing files on
a hard disk could be because of fragmentation.
Fragmentation occurs when pieces of files are scattered across the hard disk.
The performance of the volume can be improved by defragmenting the hard disk.
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by Rashid Khan
Poor Performance Windows includes a tool that can be used
to defragment volumes on a hard disk. Defragmentation rearranges the data on
the segment of the hard disk.
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by Rashid Khan
Summary Basic disks use partitions to divide the disk
into discreet storage areas. Dynamic disks use volumes to subdivide
the disk into discreet storage areas. Various types of volumes that can be used
to improve performance are simple, extended, spanned, and striped.
Mirrored and Redundant Array of Inexpensive Disks (RAID)-5 volumes can also be used to improve performance.
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by Rashid Khan
Summary Windows Server 2003 includes the Windows
Backup utility that provides the Backup and Restore wizard.
Disk errors can be found and fixed, using an error-checking tool.
If a hard disk with a mirrored volume fails, the mirrored volume can be broken or the mirror can be removed.
Poor performance in accessing files may be due to fragmentation of files on the hard disk.
Defragmenting the volume usually improves performance.