Check Disk

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Check Disk
2
Disk Defragmenter
3
Using Disk Defragmenter Effectively

• Run Disk Defragmenter when the computer will
  receive the least usage.
• Educate users to defragment their local hard
  disks.
• Analyze the target volume before you install
  large applications.
• After you delete a large number of files or
  folders, analyze your hard disk.
• Consider performing scheduled network-wide
  defragmentation from a central location.

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Data Compression

• Compressed files can be read by and written to
  any Microsoft Windows-based or MS-DOS-based
  application.
• NTFS allocates disk space based on the
  uncompressed file size.

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Compressing Files and Folders
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Selecting an Alternate Display Color

• You can select a different display color for
  compressed files and folders.
• You can change the display color by selecting
  Folder Options from the Tools menu.

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Copying and Moving Compressed Files and Folders

• Copying a file or folder within an NTFS volume
• Moving a file or folder within an NTFS volume
• Copying a file or folder between NTFS volumes
• Moving a file or folder between NTFS volumes
• Moving or copying a file or folder to a FAT
  volume
• Moving or copying a compressed file or folder to
  a floppy disk

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Using NTFS Compression

• Select file types to compress based on the
  anticipated resulting file size.
• Do not store compressed files in a compressed
  folder.
• Use a different display color for compressed
  folders and files.
• Compress static data rather than data that
  changes frequently.

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Disk Quotas

• Disk quotas track and control disk usage on a
  per-user, per-volume basis.
• Disk quotas have several important
  characteristics.
• You can use disk quotas to perform a number of
  tasks related to monitoring and controlling hard
  disk space usage.

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Setting Disk Quotas
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Determining the Status of Disk Quotas

• You can determine the status of disk quotas in
  the Properties dialog box for a disk.
• The traffic light colors indicate the status of
  disk quotas.

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Enforcing Disk Quotas

• You can configure the disk space limit and the
  warning level for one or more specific users.
• You can monitor usage for all users who have
  copied, saved, or taken ownership of files and
  folders in a volume.
• Volume usage is tracked for all users owning
  files on a volume where the disk quota system is
  active.

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Guidelines for Using Disk Quotas

• If necessary, log on as Administrator to install
  additional Microsoft Windows 2000 components and
  applications.
• You can monitor hard disk usage and generate hard
  disk usage information without preventing users
  from saving data.
• Set more restrictive default limits for all user
  accounts, and then modify the limits if
  necessary.
• Set disk quotas on shared volumes to limit
  storage for users.
• Delete disk quota entries for users who no longer
  store their files on a volume.
• Remove files before deleting a quota entry for a
  user account.

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Introduction to Simple Network Management
Protocol (SNMP)
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Management Systems and Agents

• The network management station (NMS) does not
  have to run on the same computer as the SNMP
  agent.
• The NMS can request information from SNMP agents.
• SNMP agents provide information about activities
  that occur at the IP network layer and respond to
  requests for information.
• Agents do not originate messages except a trap
  message that is triggered by a specific event.

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Management Information Base (MIB)

• A MIB is a container of objects that represent a
  particular type of information.
• All the information that a management system
  might request is stored in various MIBs.
• A MIB defines values for each object it contains.
• Each object in a MIB has a unique identifier that
  contains information.

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SNMP Messages
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Defining SNMP Communities
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Managing the SNMP Service
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SNMP Service Properties

• You can configure how the SNMP service starts,
  logs on to the system, and recovers from an
  abnormal termination of the service or operating
  system.
• You can specify a display name, description,
  startup type, and start parameters.
• The Dependencies tab provides a list of services
  that depend on the SNMP service and those that
  the SNMP service depends on.

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SNMP Agent Properties

• The SNMP agent provides the related management
  system with information on activities that occur
  at the IP network layer.
• You can configure the agent properties on the
  Agent tab of the SNMP Service Properties dialog
  box.
• The Agent tab lists the services that you can
  select.

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Trap Properties

• SNMP traps can be used for limited security
  checking.
• You can configure trap destinations on the Traps
  tab of the SNMP Service Properties dialog box.

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Security Properties

• Send authentication traps
• Accepted community names
• Community rights
• Accept SNMP packets from any host
• Only accept SNMP packets from these hosts

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Event Viewer

• SNMP error handling has been improved in Windows
  2000.
• Improved error handling is integrated with Event
  Viewer.
• Use Event Viewer if you suspect a problem with
  the SNMP service.

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WINS Service

• When querying WINS server MIBs, you might need to
  increase the SNMP time-out period.
• If some WINS queries work and others time out,
  increase the time-out period.

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IPX Addresses

• An Error message occurs when the IPX address has
  been entered incorrectly.
• The SNMP service does not recognize an address
  with a comma or hyphen between the network number
  and Media Access Control (MAC) address.
• The address used for an IPX trap destination must
  follow the IETF defined 8.12 format.

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SNMP Service Files
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Performance Console
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System Monitor Snap-In

• Performance Monitor has been replaced by System
  Monitor.
• The System Monitor snap-in allows you to perform
  a number of tasks.
• You can collect and view extensible data about
  the usage of hardware resources and the activity
  of system services.
• You can define the data that you want the graph
  to collect.

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System Monitor Interface
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Monitoring System and Network Performance

• Network activity can influence system
  performance.
• System Monitor enables you to track network and
  system activity.
• You should use specific counters as part of your
  normal monitoring configuration.
• Monitoring network activity involves examining
  performance data at each network layer.
• You should begin with the lowest-level components
  and work your way up.
• Establish a baseline for network performance.

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Disk Objects and the Diskperf Utility

• Two primary disk objects contain counters in
  System Monitor PhysicalDisk and LogicalDisk.
• The physical disk performance counters are
  enabled, and the logical disk performance
  counters are disabled.
• Use the Diskperf utility to enable and disable
  the counters.
• There is a small performance cost for running
  these counters.

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Collecting Performance Data

• Collect performance data automatically from local
  or remote computers.
• View logged counter data or export the data.

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Using the Performance Logs and Alerts Snap-In

• Collect data in a comma-delimited or
  tab-separated format.
• View counter data during collection and after
  collection has stopped.
• Define start and stop times, file names, file
  sizes, and other parameters.
• Manage multiple logging sessions from a single
  console window.
• Set an alert on a counter.

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Recording Performance Data

• Start and stop logging.
• Create trace logs.
• Define a program that runs when a log is stopped.
• Configure additional settings for automatic
  logging.

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Performance Logs and Alerts Interface
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Introduction to Network Monitor

• Tracks network throughput in terms of captured
  network traffic
• Monitors the network data stream on the local
  network segment
• Can capture all local traffic or a subset of
  frames
• Captures only those frames sent to or from the
  local computer
• Uses a network driver interface specification
  (NDIS) feature to copy all frames to its capture
  buffer

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Installing Network Monitor Tools

• Network Monitor Tools include the Network Monitor
  snap-in and the Network Monitor driver.
• These tools are not installed by default.
• You can use the Add/Remove Programs utility in
  Control Panel to install the Network Monitor
  Tools.

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Capturing Frame Data
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Using Capture Filters
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Displaying Captured Data
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Using Display Filters
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Network Monitor Performance Issues

• Network Monitor creates a memory-mapped file for
  its capture buffer.
• Although you cannot adjust the frame size, you
  can store only part of the frame.
• You can run Network Monitor in the background to
  reduce the amount of system resources necessary
  to operate the program.

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Overview of Task Manager

• Task Manager provides information about programs
  and processes running on your computer.
• You can use Task Manager to monitor key
  indicators of your computers performance.
• The Task Manager interface contains three tabs
  Applications, Processes, and Performance.
• You can update Task Manager by clicking Refresh
  Now on the View menu.

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Applications Tab
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Processes Tab
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Performance Tab