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Deduping: The rest of the story (Storage Bin 2.0)
This article is part of the Storage magazine issue of Vol. 7 Num. 13 February 2009
Where does it make the most sense to start dedupe? By Steve Duplessie In my last column, I explained the biology around how and why we end up with so many data replicas, as well as why deduping in the backup process is such a great idea. So when do we apply this concept up the food chain? If it's good in backup, it should be great in the primary infrastructure. But different types of data are created in primary: records, files, objects, blogs and so on. Data lives in the primary infrastructure, but it goes through different lifecycle stages. So where and when does it make the most sense to kill data copies? Read on, my friends. Stage 1. All data -- Word docs, PowerPoint presentations, trading data, arbitrage, video, MP3s -- is born dynamic or transactional. Everything is dynamic for some time. At this early stage, data tends to matter the most and has the highest degree of protection. If we lose data -- whether it's a document being written on a laptop or big money transactions being processed on a massive system -- the biggest ...
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Features in this issue
One size doesn't fit all, especially when it comes to disaster recovery planning. Learn how to build a multitiered DR services capability.
Scores of excellent storage products were rolled out in the past year, introducing new technologies or adding significant enhancements to tried-and-true storage technologies.
The next generation of Ethernet is likely to have a profound effect on storage; pumped-up iSCSI performance may challenge Fibre Channel's tier 1 dominance.
Whether budgets are up or down, most storage managers are doing some belt tightening, ready to forego some features or performance in favor of lower price tags.
Columns in this issue
The compelling economic benefits of deploying scale-out NAS have the technology increasing its footprint in the general storage space.
Extreme circumstances call for extreme measures. We list four ways to trim or hold down storage costs this year.
Deduplication is great for paring backup data, so it should be even better for primary data. But where does it make the most sense to start dedupe?