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Dell over de beste deduplicatie-oplossing

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3 To avoid logjams, customers often add media servers equipped with greater CPU and memory resources (see Figure 2). While this approach spreads out the extra load, it also obviously increases complexity and costs. Appliance-based deduplication Because purpose-built backup to disk appliances absorb deduplication and replication workloads, current backup environments can remain unchanged. Complexity is avoided because there is no need to beef up the number and horsepower of media servers (see Figure 4). With appliance-based deduplication, there is no need to beef up the number and horsepower of media servers. Figure 3. Appliance-based deduplication puts no extra load on the media server. Purpose-built backup to disk appliances absorb deduplication and replication workloads, so the media server workload is limited to: • Processing client backup data • Creating tape copies from disk Figure 2. With software-based deduplication, avoiding logjams requires adding more media servers, which increases costs and complexity. SAN or local storage 10 / 15K Media server 1 Media server 2 Media server 3 Media server 4 Media server 5 Media server 6 Client 1 Client 2 Client 3 Client 100

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