Sunday, November 25, 2007

Operating Systems: Disk Maintenance Procedures

Which of the following should you recommend that a customer perform on a regular basis as part of customer's regular, planned maintenance procedures on a mission-critical computer?

1. Have the customer defragment the hard disk monthly.
2. >>Have the customer run daily backups.
3. Have the customer refresh the Automated System Recovery (ASR) monthly.
4. Have the customer delete any remaining system restore points each week.

Explanation : You should have the customer run regular daily backups. Backups are the surest way of recovery after a catastrophic failure. On a critical system, daily backups are typically recommended as the preferred schedule.

You should not have the customer refresh the Automated System Recovery monthly. ASR is considered the last-ditch effort for recovering a non-booting computer. The ASR includes critical system files needed to start up the system but does not include user data. Unless major changes are made to the operating system, there is typically no reason to update the ASR.

You should not have the customer delete any remaining system restore points each week. System restore points let you revert to an earlier state in case of problems. Some potential problems, such as viruses, are not immediately apparent, so you should keep multiple generations of system restore points.

You should not have the customer defragment the hard disk monthly. This does not necessarily cause any problem, but it would be a waste to the customer's time. Fragmentation occurs over time, and it is very unlikely that a computer would need to be defragmented every month.
Objective: Operating Systems