High availability designs + Storage Resiliency

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6 Terms

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Load balancing

makes multiple systems or services appear to be a single resource, allowing both redundancy and increased ability to handle loads by distributing them to more than one system

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Clustering

describes groups of computers connected together to perform the same task

3
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Replication

focuses on using either synchronous or asynchronous methods to copy live data to another location or device. ____ is always occurring as changes are made

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Synchronous replication

occurs in real time

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Asynchronous replication

occurs after the fact

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Journaling

creates a log of changes that can be reapplied if an issue occurs