Chapter 10 System Monitoring Issues Performance Benchmarks NT Server Services Users and Server Access Information Task Manager for Applications Ram and Virtual Memory CPU and Disk Resources Performance Event Logs

Monitoring Issues Start and Stop Number of logged on users Applications in use Virtual memory settings RAM management CPU load Disk response

Performance Benchmarks Statistics on CPU, disk, memory, I/O with no user Use performance for slow, peak, average Slow, peak, average for a new software Benchmarks for growth (user and application)

NT Server Services - I Alerter (Messenger, Workstation) ClipBook (Network DDE) Computer Browser (Server, Workstation) Directory Replicator (Server, Workstation) EventLog Messenger (Server, Workstation) Net Logon (Server, Workstation)

NT Server Services - II Network DDE (dynamic data exchange) (Network DDE DSDM) Network DDE DSDM (conversion of data object) NT LM Security Support Provider (remote) Remote Procedure Call Locator Remote Procedure Call Schedule

NT Server Services - III Schedule Server Spooler (printer) UPS Workstation

Server Service Control Panel Service icon Notes: –Started, paused, blank-not used –Continue button to restart a paused service –Startup button to set the start manual or auto –HW Profiles button to enable or disable a service for a given hardware

Users and Server Access Information - I Control Panel Server icon Notes: –Sessions –Open files –File locks –Named Pipes

Users and Server Access Information - II User button Share button In Use button Replication button Alerts button

Task Manager for Applications- I Ctrl+Alt+Del while logged on as Administrator Task Manager Application tab –End Task button –Switch button –New Task button

Task Manager for Applications- II Processes tab –Name of process –Process ID (PID) –CPU time used –Memory used

Task Manager for Applications- III Performance tab –Handles (no. of objects or files) –Thread (no. of code blocks executing) –Kernel memory (RAM used by OS) –Physical memory (RAM in server) –Commit memory (in use)

RAM and Virtual Memory Virtual memory Page file Virtual memory = RAM+12 MB Example –Control Panel –System icon –Performance tab –Change button –Enter the min and max (min*1.25)

CPU AND Disk Resources Warning CPU 90% and disk 80%

Performance Monitor - I Administrative Tools menu Plus button (for Add to Chart dialog box) Counters –% DPC Time –% Interrupt Time –% Privileged Time –% Processor Time –% User Time –Interrupts/sec

Performance Monitor - II Explain button Add button Done button (view Performance Monitor graph)

Event Logs - I Administrative Tools menu Event Logs –Error (stop sign) or warning (I) icon –Date and time –Source of the event –Category or type of event –Event no. –User –Name of computer

Event Logs - II Types of Event Logs –System –Security –Application

Event Logs - III Example: –My Computer –Public folder –File menu –Properties –Security tab –Auditing button –Check audit subdirectories and files

Event Logs - IV –Add the Every group to audit –Check Success and Failure boxes for Read –Ok Or –User manager –Policy menu –Audit