Global server downtime over previous 12 months 2016, by hardware virtualization layer

The statistic depicts the estimated level of unplanned downtime experienced across various server hardware virtualization layers in the previous 12 months, according to a 2016 survey conducted by ITIC. As of October 2016, 63 percent of IBM's Power VM virtual server was reported by respondents as having experienced 1 to 10 minutes of unplanned downtime in the previous 12 months.

Estimate the amount of downtime experienced on each of your server hardware virtualization layers over the past 12 months*

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Release date

October 2016



Survey time period

August to October 2016

Number of respondents

750 organizations

Special properties

C-level executives and IT managers

Supplementary notes

* No information is given as to missing percentage points to 100 percent or points exceeding 100 percent.
The source notes that "according to customer interviews and essay comments, the high amount of Dell PowerEdge and HP ProLiant system unavailability is attributable mainly to the high proportion (60 percent) of aged Dell PowerEdge and (53 percent) HP ProLiant servers that are over four years old and have not been upgraded or replaced," but that "in those instances where the HP ProLiant , Oracle and Dell PowerEdge servers were a more reasonable two-to-three-and-a-half years old, the percentage of system downtime ... dropped ... on both the Dell PowerEdge and HP ProLiant platforms."

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