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Snapshot: Remote mirroring for data
Issue: Dec 2004
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Do you mirror your data remotely?

Do you mirror your data to remote locations? [IMAGE][IMAGE]
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At what distance is data remotely replicated? [IMAGE][IMAGE]
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What technique(s) do you use? [IMAGE][IMAGE]
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Storage readers doing remote data replication are in the minority, but that's about to change. Over the ...



next couple of years, more than 63% of respondents that don't already replicate remotely plan to start. The lion's share of data is replicated between 11km and 1,000km from the primary site; however, a significant number of respondents (26.9%) replicate to a site less than 10km away, while 21.8% replicate more than 1,000km away. Array and host-based replication are the most popular techniques, but nearly one-fifth of respondents (17.9%) are also trying out fabric-based replication services.




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