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Tuesday, 05 August 2014 16:12

Continuous Data Replication – Is This ‘Goodbye’ to Your RPO?

Traditional data backup happens once every so often – once an hour, once a day, once a week, for example, depending on the recovery requirements associated with the data. It’s typically the recovery point objective or RPO that determines the frequency of the backup. If you cannot afford to lose more than the last 30 minutes’ worth of data, then your RPO will be 30 minutes and backups will happen at least every half an hour. Continuous replication on the other hand changes the model by backing up your data every time you make a change. But what does that do to RPO, disk space requirements and network capacity (assuming you’re backing up to storage in a different physical location)?

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http://www.opscentre.com.au/blog/continuous-data-replication-is-this-goodbye-to-your-rpo/