Unplanned server downtime globally 2019, by hardware platform

The statistic depicts the annual level of unplanned downtime of various server hardware platforms in 2019. As of that time, IBM z Systems w/Linux or z/OS experienced 0.74 minutes of unplanned downtime per server per year.

Annual amount of unplanned server downtime* worldwide in 2019, by hardware platform

Minutes per server/per year of unplanned downtime
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Release date

April 2019



Survey time period

November 2018 through January 2019

Number of respondents

1,000+ organizations

Supplementary notes

* Unplanned downtime due to inherent system or component flaws.

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