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March 2014

Implement backup data deduplication with deduplicating disk backup targets

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While many companies have embraced backup data deduplication as a key component of their backup operations, others are still evaluating the technology to determine where it will fit within their data protection infrastructures. Initially available from just a few hardware vendors, backup dedupe is now available in hardware and software versions with varying capabilities and capacities. Deduplicating disk backup targets remains a popular way to implement backup data dedupe, and there are alternatives for file-based and virtual tape library devices.

We describe the key features you'll need to consider when evaluating a deduplicating backup disk system, including ingest rates, deduplication ratios, ease of implementation, compatibility with backup and restore apps, and support of APIs that can improve performance and distribute the dedupe process between hardware and software resources.

Table Of Contents

  • How data deduplication technology works
  • Multistreaming
  • Variable or fixed block sizes
  • Symantec OST plug-in
  • Comparing deduplication hardware


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