![]() ![]() That is why such organizations spend really big money on backup storages, tape archives and so on. No one would like if his or her bank account or social security is voided because of some hardware failure in the datacenter. ![]() However, this time interval is covered in full.ĭo all companies need such verbatim backup coverage? Of course, there are some, like financial or government institutions, where even small data loss can be extremely costly. Depending on how frequently you backup your VMs and how big your backup repository is, you can cover with backups a relatively small time interval. The FIFO’s merit is its simplicity, and its biggest drawback is its spatial limits, thus with FIFO you can store a finite number of backups. It is simple: when the backup media runs out of space, the oldest backup is deleted, and the new one is written in its place. The simplest one is a 'first in, first out' (FIFO). There are some backup rotation schemes with different complexity and different efficiency. Simply said, our task is to get the most recovery points using the least storage space. GFS (Grandfather-Father-Son) backup retention policy pursues two goals: the minimization of storage space and the maximization of recovery points. ![]() Discover the best practices that can help you achieve the established RPOs and minimize data loss. Download our free guide on how to set the right RPOs for critical systems. ![]()
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