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Backup replication is at the core of a disaster recovery plan. Unless you have a crystal ball, you can never predict when a disaster will take down your entire system. And disasters, unfortunately, don’t need to be big natural catastrophes to still wreak havoc. The most common disasters for businesses boil to down to simple human error. Accidentally delete a line of code, accept the wrong update, or spill a Coke on a server, and it could disrupt your entire system.
The good news is that you can protect against all kinds of disasters, big and small, with the right disaster recovery and backup replication plan.
The traditional way to back up data was through the use of tapes. Tapes are inexpensive and easy to use but overall unreliable. Tapes can be lost, damaged, or just simple fail to restore when needed. Therein lies the problem. Backup replication really relies upon two separate concepts: backing up or saving data and replicating or restoring it.
As in the example of the tapes, even if the backup is saved, it might not be restored for hours, days, or weeks. This can be disastrous for businesses that need to access that information sooner. Furthermore, how often are tapes backed up and updated? Every week? Every day? In every case, there is a certain amount of data that will be lost in the event of a disaster.
Disasters can have huge impacts on businesses from lost profits to lost customer trust. Fortunately, in today’s cloud world, there’s a better solution. Backup replication becomes quick and easy on the cloud. For businesses that require high availability, disaster recovery as a service on a cloud platform is possibly the best and only answer. Backups can be done synchronously meaning that data is continuously saved for backup replication.
Disaster recovery is really built around two concepts:
- Recovery Time Objective. This asks, “How fast do you need your information to be restored?” Essentially, what is your tolerance for downtime? Different businesses will have different answers for this. To meet your RTO, your system must be back up and running within the timeframe you have specified. Obviously, the faster you need to be restored, the harder and more expensive your disaster recovery plan will be.
- Recovery Point Objective. This asks, “How much information loss can we tolerate?” Usually this is measured in hours. For example, if your RPO is 15 hours but you only managed to retrieve 10 hours you’ve not met your objective. I guess you could say you’ve exceeded it, but I think of exceeded as ‘better than expected’ rather than not meeting expectations. I think this should be cleaned up a bit to clarify.
When a disaster strikes, you will live and die by meeting your RTO and RPO. Disaster recovery as a service in the cloud can make meeting your RTO and RPO objectives easier and more accessible than ever before. In fact, cloud disaster recovery and backup replication can make it possible to fall over to a mirror server and resume service near instantaneously. This can be manual or automatic.
Creating a disaster recovery and backup replication plan is personal to each business. As business needs evolve and change, the plan should be updated. But chances are, in any case, you will find that a private cloud component makes backup replication easier, faster, and cheaper.
Businesses today can’t afford to be out of the game, even for a few hours. If you know that your customers expect you to be available to them 24/7, then let us help. Our data centers and private cloud guarantee high availability and built-in disaster recovery as a service through Veeam.