Fortune 1000 firms shun public cloud storage
Fibre Channel SAN adoption continues to outpace NAS, survey shows
Computerworld - Fewer than 10% of enterprise-class corporations are considering the public cloud as a place to store even their lowest tier of data for archive purposes, a new survey of 247 Fortune 1000 corporations shows.
The survey by TheInfoPro also revealed that automated data tiering is exploding as one of the top storage initiatives, leading to the fast uptake in the use of solid-state drive (SSD) technology.
And, when it comes to virtualized servers, Fibre Channel storage area network (SAN) growth still outpaces network-attached storage (NAS) as the backend architecture of choice.
"I heard a lot of discussion last year that NAS is going to take over SAN...and so on. We're not seeing that at all," said Marco Coulter, TheInfoPro's research director of storage.
Coulter said that, on average, Fortune 1000 respondents stored 1.1 petabytes of data on SANs, a 24% increase over 2010. That compares to 331TB of data on NAS systems, a 19% increase since last year.
TheInfoPro Storage Study, completed last month, involved surveys of companies that took place through February.
An overwhelming 73% of respondents said they create virtualized server volumes on Fibre Channel-connected disk arrays, compared to 27% who indicated they were creating volume image files on NAS.
Networked storage capacity in the Fortune 1000 corporations is projected to grow 24% in 2011, with 44% percent of organizations expecting to spend more on capacity; 31% anticipate stable spending this year. The projections nearly mirror responses last year.
When it comes to storage-as-a-service, few of the respondents indicated they were willing to trust even the most mundane data to the public cloud. Some 87% indicated they had no plans to use the public cloud, 10% said they would and 3% indicated they weren't sure.
Private cloud adoption was a different story, however, with most saying they face virtually no obstacles or challenges when deploying it. Of the remaining respondents, 20% said they had some reliability problems with their private clouds, and 10% were equally divided among problems with 10GB/sec Ethernet core switching implementation, IP network issues, problems achieving compliance qualifications and issues with end-user education.
Coulter said in last year's storage study, TheInfoPro asked the corporations what they were doing with external storage, something that got a low response rate. "I thought, 'OK, maybe they think we're asking about production data,'" he said. "So this year I made the question about archiving lower tier data; still no interest.
"Most of the large enterprises... said we're just not giving our data out to somebody else," he continued. "Performance still comes up in the commentary, as well. The problem is when you need the data back...there isn't a high level of confidence that they can do that through an external system."
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