Managing Information

The Tao of Backup

Security

  1. LOCK THE SERVER ROOM !!!

  2. Lock the BIOS/flash/ROM with a password.

  3. Prevent boot from floppy/CD-ROM/USB flash drive.

  4. Lock server console with a password.

Protecting Data

Distaster recovery plan

Sample Tape Rotation Procedure

DayNumber of TapesFrequency / Storage Location
Monday
Tuesday
Wednesday
Thursday
4 tapes Daily
in server room
Friday 1
Friday 2
Friday 3
Friday 4
4 tapes Weekly
onsite
Month end12 tapes Monthly
offsite

Sample Backup Schedule

For example, 12:00 AM to 5:00 AM (Tuesday to Saturday)

Restrict users from logging in during backups (if possible).

Media Backup

Network Backup Costs

Tangible Intangible Long Term
Media
Labour
Storage Costs
Network time
Network traffic load
Network downtime
Storage costs
Security risk
Media degradation

Cost/Benefit Backup Analysis

  Cost of lost material
+ Cost of lost work
+ Cost of lost time
+ Cost of lost productivity
+ Downtime
+ Cost of lost sales
+ Intangible costs

= Total potential loss
    
  Media
+ Time
+ Network Degradation
+ Downtime
+ Labour
+ Storage Costs
+ Overhead
+ Recovery Costs

= Total backup costs
Total potential loss x Risk factor = Total backup costs


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