DUTIES OF SYSTEM ADMINISTRATOR(Backing Up and Restoring Files)

Backing Up and Restoring Files

1.     Backup required to secure data from computer failure, some people may harm others property or system if system administrator not perfect to handle it.

2.     We back up important files so that in the event of a failure of hardware, security, or administration, the system can be up and running again with minimal disruption.

3.     Backup can be taken in high capacity tape drive and can be stored in disks..

4.     It’s it more sensible to back up user accounts and system configuration files from the distribution CDs. CDs would be quicker and easier than getting the basics off a tape archive.

5.     System Administrator must decide what to back up and how frequently backup.

6.     System Administrator  may maintain a series of incremental backups  i.e. adding only the files that have changed since the last backup  or multiple full backups.

7.     System Administrator may use RAID (redundant array of independent disks ) for Backup , which is multiple hard drives all containing the same data as insurance against the failure of any one of them, in addition to other backup systems.

8.     System administrator should carry restore at least once in non critical time.

9.     Need to formulate a plan for bringing the system back up in the event of a failure.