Four Misunderstandings in disaster recovery
As long as companies invest heavily in disaster preparedness systems, there will be no more business disruptions and lost data? In fact, disaster backup/recovery is very different from business continuity and cannot be confused. The misperception of disaster preparedness is an important reason for the failure of disaster preparedness construction.
Disaster recovery does not equate to business continuity
Some business leaders think that disaster recovery and business continuity are the same and that once you have a disaster preparedness system, there should be no more interruptions. In fact, disaster backup is mainly used for larger disaster events, not for local accidents. The concept of business continuity is broader, and neither a local failure nor a widespread disaster can disrupt a business. Disaster backup is the foundation of business continuity and an important part of multi-level information protection. When an enterprise is faced with a major disaster, in order to ensure business continuity, priority should be given to building a basic disaster backup and recovery system.
Due to the different amounts of investment, the situation of IT infrastructure, and the different thinking of disaster preparedness construction. It is difficult for users in different industries to follow a unified strategy when building disaster preparedness systems. However, there is one thing in common in enterprise construction disasters, that is, no matter what technical means are adopted, data security must be guaranteed.
Local protection is more important than local disaster preparedness
Users spend a lot of money to build the disaster backup system in different places, but they cannot avoid frequent local data failure, which is actually putting the cart before the horse. Only by combining the local data protection and recovery capability of the system and the remote disaster protection and recovery capability can a perfect disaster recovery system be formed. Local data protection and remote disaster recovery and prevention risks are different, so the technical means, mechanisms, and measures adopted are different. Some systems that require public service are very time-critical for disaster recovery. But most information systems do not require a high level of disaster recovery and can tolerate several hours of recovery time. For most users, the most important thing is not the time of recovery, rather than the data can be recovered 100% without losing core data.
RTO and RPO indexes are too high
RTO and RPO are two very important indexes in the process of building a disaster recovery system. So, is the RTO and RPO values as small as possible? When setting goals for disaster recovery, enterprises must proceed from the actual needs of the business and should not blindly pursue excessively high RTO and RPO targets. Too high RTO and RPO targets will not only increase the cost of disaster preparedness construction but also make users get lost in the digital, which is useless for business protection.
Ignore daily operations management
In some enterprises, disaster preparedness systems have been completely laid out. In peacetime, the technical personnel of these enterprises do not carry out regular inspections of the disaster preparedness system and ignore the disaster preparedness drill. Therefore, when a disaster occurs, the disaster preparedness system is hard to play a role. After a disaster recovery system is built, enterprises should conduct regular disaster preparedness drills and establish a sound business continuity plan (BCP), including a detailed disaster recovery plan and a local recovery plan.
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