10 Mistakes Made by Too Many Disaster Recovery Teams - Slide 9

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Replicating Data

Many factors can cause site-wide failures, including an air conditioning failure or leaking roof, a power failure, or a major hurricane. Site disruptions can last anywhere from a few hours to days or even weeks. There are two methods for replicating data across sites. One method is to tightly couple redundant servers across high speed/low latency links, to provide zero data-loss and zero downtime. The other method is to loosely couple redundant servers over medium speed/higher latency/greater distance lines. This provides a disaster recovery capability where a remote server can be restarted with a copy of the application database missing only the last few updates. In the latter case, asynchronous data replication maintains a backup copy of the database.

The accompanying 10 slides list 10 common mistakes that disaster recovery teams tend to make. Contributed by Marathon Technologies Corp., they are based on the company’s significant experience in this field. While the observations are pertinent for both enterprises and small and mid-sized corporations alike, SMBs may also want to read more on how SMBs Should Approach Disaster Recovery Differently and the Keys to a Successful SMB Disaster Recovery Implementation.

Founded in 1993, Marathon Technologies Corporation is the leading provider of automated, fault-tolerant, high availability solutions for virtual and physical environments.

Related Topics : IBM Looks to Redefine Industry Standard Servers, APC, Brocade, Citrix Systems, Data Center

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