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For the sixth year in a row, corporate enterprise users said IBM server hardware delivered the highest levels of reliability/uptime among 14 server hardware and 11 different server hardware virtualization platforms. A 58% majority of IBM servers achieved “five nines” or 99.999% availability – the equivalent of 5.25 minutes of unplanned per server downtime compared to 46% of Hewlett-Packard servers and 40% of Oracle server hardware.

Those are the results of the latest independent ITIC 2014 Global Server Hardware and Server OS Reliability Survey which polled C-level executives and IT managers at over 600 organizations worldwide during March and April 2014.

The survey results showed that the overall reliability HP’s servers increased significantly in 2014 compared to the 2012 and 2013 polls and surpassing the uptime of rival Oracle servers which remained the same or declined slightly compared to prior polls. Cisco Systems, Inc.’s Cisco Unified Computing System (UCS) servers, which appeared for the first time in this year’s ITIC Reliability poll, made a very strong showing, posting uptime equal to or better than HP (depending on the category) and bested only by IBM server reliability. Half – 50% – of Cisco UCS server hardware users said they achieved 99.999% of per server/per annum availability.

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Dell, HP, IBM and Stratus Technologies won high praise from corporate users for their prompt and efficient after market technical service and support in the latest ITIC 2010-2011 Global Server Hardware and Server OS Reliability survey.

The results came from a broad based survey that polled organizations worldwide on the reliability, security and technical service and support from among 14 of the leading server hardware platforms and 18 of the most widely deployed server operating system distributions.

As we said in an earlier discussion, each poll elicits some surprising and unexpected revelations. In this survey, users reserved their highest encomiums and most critical barbs for the server hardware vendors – both in terms of product performance and reliability and the service and support they receive from their respective vendors.

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For the third year in a row, IBM AIX Unix operating system (OS) running on the company’s Power System servers scored the highest reliability ratings among 19 different server OS platforms – including other Unix variants, Microsoft’s Windows Server, Linux distributions and Apple’s Mac OS X.

Over three-quarters or 78 percent of survey respondents indicated they experienced less than one of the most common, minor Tier 1 incidents per server, per annum on IBM’s AIX v. 5.3 and AIX v 7.1 distributions
Those are the results of the ITIC 2010-2011 Global Server Hardware and OS Reliability Survey. ITIC partnered with GFI Software (formerly Sunbelt Software) to conduct this independent Web-based survey. It polled C-level executives and IT managers at 468 corporations from 23 countries worldwide from November through January.

The survey data indicated that the reliability and uptime of all the major server OS and server hardware distributions has improved significantly over the past several years.

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