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Vol. 3 No. 2 April 2004

Disaster recovery relief

Problems with disk-to-disk split mirrors The limited protection and recoverability of point-in-time snapshots The time between snapshots increases the data risk exposure More snapshots reduce exposure, but also reduce inefficient use of additional storage (requires two to nine times the original storage space) Storage vendor array lock-in Must use the same--or a more expensive--storage array as the remote replication or snapshot catcher The performance across a TCP/IP WAN TCP/IP WAN issues (congestion, BER, jitter, latency) can reduce throughput performance by one to two orders of magnitude, reducing backup window success Everyone is aware that in an era of natural disasters, terrorism and regulations, disaster recovery (DR) and business continuity processes are essential. But the high cost of DR and business continuity tools prohibits many organizations from implementing them. In fact, the cost of these tools is often greater than the value of the data that's being protected. Expensive DR tools put you in the precarious ...

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Features in this issue

  • IP storage delivers

    by  Johanna Ambrosio

    Despite all the FUD surrounding IP SANs, early users say IP-based storage isn't all that difficult to manage and that performance is sufficient. The key is knowing what applications IP SANs should be used for.

  • Disaster recovery relief

    The cost of disaster recovery tools can be even more than the value of the data that these very tools are supposed to be protecting. Fortunately, newer approaches to DR are restoring sanity to this high-pressure task.

  • Wrestling with regulations

    by  Bill O'Brien

    In the health care industry, complicated regulations such as HIPAA, combined with new technologies that require enormous amounts of storage, are driving storage managers to the emergency room.

  • Extreme backup

    by  Arun Taneja

    Newsflash: Conventional data protection has reached its limits and will be dramatically changing in the next couple of years. But all roads don't lead to the same result. Here's how to analyze which route is best for you.

  • Get control of capacity

    Although storage resource management tools can be complicated to implement, they're a better alternative to breaking the bank and rushing out to purchase more storage. Get precise with your vendors on what you need and you'll wind up with better results.

Columns in this issue

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

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