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Vigilant-Data Protection Methodologies in the Virtual Environment
Last Post 25 Aug 2008 12:15 PM by cbingram@casit.net. 0 Replies.
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25 Aug 2008 12:15 PM  

There are three approaches to data replication in the Client-Server environment and focusing on the SMB (small to medium size business) market;

  • Host based
  • Array (storage device) based
  • Network (appliance) based (a blend of hardware and software)
Before investing in each, and organization must perform some type of Business



Impact Analysis (BIA))to determine cost justification. Consider two scenarios;
  • Bank or organizations with large amounts of in-flight transactions would



    need real-time replication (low DRO- see
    section 4.7.1) if the cost of losing the data justifies the cost to implement the technology (Typically $30K+ leased line)
  • Case Study; A medical office enters Exam data into a Electronic Medical Record system (EMR) that averages 20 exams per hour, would only loose 2 exams with a RTO of 5 minutes for a typical Array based storage system ($10K). Host based, at a cost of $500 per server, would be more cost effective.

This document will review existing technologies related to data replication in the industry and provide insight on recommended uses and applications. A comparison of selected products will be used to demonstrate technology application.

Full White paper; contact vigilant


Storage system Best practices Vigilant.pdf
Vigilant+bladecenter+hosting+white+paper.pdf
vpshere key benefits datasheet.pdf

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