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Disaster Recovery Planning: Page 11 of 13

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Network Computing invited 15,000 readers to participate in an e-mail poll on data protection and received more than 640 responses. Although unscientific, the poll sheds light on the state of data protection.

Approximately 95 percent of respondents reported having an on-site data-protection capability, and 90 percent said this capability is used routinely. However, only 75 percent said they test or audit the capability on an ongoing basis. Of the 70 percent who said they'e experienced an interruption requiring recovery services from their data-protection capability, the majority--89 percent--said they've succeeded in recovering critical data using their technique.

Storage quantities included in respondents' data-protection schemes varied widely, from tens of gigabytes to tens of terabytes. So did the time frame required for data restoration following an interruption, ranging from minutes to days.

Interestingly, 41 percent of respondents admitted to including all data in their recovery schemes rather than culling out duplicates or junk files. Sixty-four percent said their data copies are physically located within 30 miles of original-data repositories, whereas 24 percent reported that backup data is located beyond 30 miles.