Site: is the place where data is backup-ed on drives for lateral use in case of disaster.
Cold Site: Process of bringing servers back in production take time due to lack of facilities like electricity, and network connectivity. But backup is there, that could be used to bring systems back.
Warm Site: is the one with basic facilities which are less than actual production environment. Like electricity, backup generator, network connectivity are there, but speed, volume of facilities slow, allowing only necessary operations.
Hot Site: is exact replica of production environment. Very less down time.
Single point of failure
RAID, redundant array of inexpensive disks
Redundant servers, ISP
Spare Parts( like hard disk of server)
1- Non disaster
Disaster Recovery Procedures
Backup and storage
- Incident response defined
- Chain of Custody
- First Response
Secure Disposal, paper shredder, hard drive shredder
AUP, acceptable use policy
Mandatory Vacations, force you to create rotation of duties
PII, personally identifiable information, should not go in wrong hands.
Due diligence, reasonable steps taken by person to avoid offense.
SLA, Service Level Agreement, agreement between you and your company.
End user awareness