redundancy Archives | FMT
Is Your Redundancy Safe Enough?
Redundancy is not a new concept, but not all redundancy is equal. The value of redundancy depends on how closely (or broadly) you look at it. Hardware Redundancy If you have five storage devices working in RAID 5 you may have one of those storage devices fail, but all of your data would remain intact due to the support of the redundant drives. To use an analogy, if you have five warehouses and they are all are filled to 80% capacity, you can move some of the contents into the extra space left in all the other warehouses in the event that one experiences a flood. Normally, this means each warehouse uses less than 100% of the available capacity, so in the event of a flood, you can redistribute the contents of the flooded warehouse into the undamaged warehouses. This redistribution allows you to keep working on cleaning up the […]