The Healthy CPU

1
The Healthy CPU

• Maintaining a healthy computer system
• Operating Systems
• Windows 95/98
• Windows NT4 Windows 2000
• Unix
• Maintenance Systems
• Prevention
• Backup
• Recovery

2
The Healthy CPU

• Analogous to a motor vehicle
• Select car, type, colour, engine size etc.
• Use in our vocation
• Maintenance
• Breakdowns

3
The Healthy CPU

• Computer Hardware
• Brand names vs. No name brands
• Size speed
• Monitor size
• Warranty
• Location

4
The Healthy CPU

• Operating system (engine )
• Software interface between man and machine
• Visual, processor intensive

5
The Healthy CPU

• Windows 95/98 Operating Systems (OS)
• Single user client based OS
• Pre-emptive multi tasking 32 bit applications
• Network Workgroup
• Limited security
• Easy to configure
• Cheap 300
• Limited users -10

6
The Healthy CPU

• Windows 95/98 Operating Systems
• Reasonably reliable
• Needs regular care maintenance
• Limit to increasing reliability

7
The Healthy CPU

• Windows NT4 Windows 2000
• Industrial strength OS
• Pre-emptive multitasking for all applications
• Workstation Server versions
• Expensive WS 465 Server 1500
• Supports massive networks
• Security
• Other components RAS IIS RAID etc.

8
The Healthy CPU

• Windows NT4 Windows 2000
• Reliable operating systems
• Extra functionality
• Extra complexity
• Extra cost

9
The Healthy CPU

• Hybrid Networks
• Mixture of Windows NT 4 and Windows 98
• Have advantages over Windows 98
• Dedicated Server

10
The Healthy CPU

• Unix
• Network Operating System
• Industrial strength Complex OS
• Variety Flavours SCO, HP-Unix, Redhat, Linux
• Reliable cheap 100
• Limit in GP to file server applications

11
The Healthy CPU

• Maintenance Systems
• Prevention (Hardware Software)
• Backup
• Recovery

12
The Healthy CPU

• Prevention (Hardware)
• Redundancy spare keyboard, mouse, HD
• Regular maintenance, cleaning (dust)
• Uninterruptible power supply
• RAID
• Back Up Servers
• Log of configuration

13
The Healthy CPU

• Prevention (Software)
• Have centralised and catalogued software
• Backup your data regularly
• Check Hard Disk for errors
• OS system Scandisk Defrag
• Software MD Maintenance Reindex
• Have a regular maintenance schedule

14
The Healthy CPU

• Prevention (Virus Checking Software)
• Subscription / Site License
• Frequent Updates
• Subscribe E mail Notification List
• External Software

15
The Healthy CPU

• Back Up
• How much data can you afford to loose ?
• Media floppies, Zip, CDs, Tape
• Amount of data
• Speed Slow to Fast
• System to verify data is re useable
• Medical legal consequences

16
The Healthy CPU

• Recovery
• Preparing for all possibilities
• Have a protocol in place
• Practice it
• Example

17
Disaster Down Under

• Scenario
• 632 pm Tuesday 9th May (Dark)
• MS NT 4 Server 8 NT 4 Workstations
• 2 doctors working
• UPS on Server
• Medical Director

18
Disaster Down Under

• Power Loss Potential Data Corruption or Loss
• Limited UPS time Only on Server
• How long power off
• Orderly shut down of NT 4 Server
• Workstation start up REINDEX
• ? Need to reindex Server
• Re enter notes
• Overnight Scandisk Defrag Disk

19
The Healthy CPU

• Who keeps the system healthy?
• Service contract
• Self care
• Hybrid / Mixture
• GPs or practice staff can develop basic skills
• Have a system and protocols in place

20
The Healthy CPU

• Prevention is better than cure
• Be prepared problems will occur
• Specific solutions within limited budgets
• Computers are clinical tools that are required
  to be kept in top operating shape