Access "Second-generation CDP"
This article is part of the Vol. 7 No. 8 October 2008 issue of CDP 2.0: Finding success with the latest continuous data protection tools
Continuous data protection products still offer the most granular recovery points of all data protection applications. WHEN CONTINUOUS DATA PROTECTION (CDP) emerged a few years ago, it was positioned as a product that would replace traditional backup software. CDP vendors predicted IT managers would abandon their age-old weekly full and daily incremental backups and adopt CDP, which captures every data change and can restore data and applications to any granular point in the past. But that prophesy never materialized, as the majority of CDP pioneers--vendors like Kashya, Lasso Logic Inc., Mendocino Software, Revivio and TimeSpring--were either acquired or went out of business. In addition, most IT managers continue to rely on traditional data protection vendors for backup and recovery. Does that mean CDP has failed? Or is it succeeding, but in ways most observers wouldn't have expected? CDP has failed as a standalone product because most IT managers weren't willing to forgo their proven backup software and backup methods for a new and unproven technology. "... Access >>>
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- Compression puts the squeeze on dedupe
Snapshot: SAS use soars
SAS use soars
- Green spin cycle
- Solid-state distinctions emerge
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Storage departments are trying energy-saving technologies, but measuring ROI is still a challenge. Some storage administrators are plugging vendor-supplied product power consumption numbers into so-called green calculators, but it's no easy task as there are inconsistencies in how each vendor presents its product's power requirements.
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The storage and server cluster installed at The University of Texas at Austin is a lesson in how to do high-performance computing (HPC). Storage requirements for HPC go beyond massive capacity and include the use of high-performance file systems.
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Continuous data protection (CDP) received lots of attention but garnered few takers as a standalone product. Since then, the technology has been incorporated into data protection products and its role is now likely to expand. In addition, rapid data growth and shrinking backup windows are two of the trends that support the increased adoption of CDP.
Economy and capacity at odds
With fewer bucks in the budget, storage managers are facing some constraints in dealing with growing storage capacities. But, according to Storage magazine's Purchasing Intentions survey, they're responding by earmarking some of those dollars to newer technologies like data deduplication that will help them cope with burgeoning data stores.
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Director-class switches win top spot
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Ask the Experts
Where and when should we use data dedupe for remote-office backups?
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by Lauren Whitehouse
There are plenty of good reasons to opt for backup storage as a service, but there are also plenty of questions you should ask before green lighting any move to online backup.
Storage Bin 2.0 The color of money
If your actions will help meet the company's overall green objectives of making more money faster, you'll probably find your status growing along with your budget.
End in sight for Fibre Channel?
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Best Practices: Why you can't go it alone
by Ashish Nadkarni
Most IT departments are split into islands of expertise, like storage, servers and networks. But the time is coming when those disparate groups will have to learn to work together. Network consolidation is just one of the technologies forcing storage pros to build stronger interdisciplinary IT teams.
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