According to a survey in late 2019 and early 2020, of servers, IBM's Z platform was reported by global respondents as having experienced no unplanned system downtime due to hardware flaws. This was simialrly observed in the IBM LinuxOne platform.
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Lenovo, & IBM. (April 1, 2020). Share of servers with more than four hours of unplanned downtime due to hardware flaws worldwide in 2020, by hardware platform [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/
Lenovo, und IBM. "Share of servers with more than four hours of unplanned downtime due to hardware flaws worldwide in 2020, by hardware platform." Chart. April 1, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/
Lenovo, IBM. (2020). Share of servers with more than four hours of unplanned downtime due to hardware flaws worldwide in 2020, by hardware platform. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/
Lenovo, and IBM. "Share of Servers with More than Four Hours of Unplanned Downtime Due to Hardware Flaws Worldwide in 2020, by Hardware Platform." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Apr 2020, /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/
Lenovo & IBM, Share of servers with more than four hours of unplanned downtime due to hardware flaws worldwide in 2020, by hardware platform ÌÇÐÄÆƽâ°æ, /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/ (last visited July 27, 2026)
Share of servers with more than four hours of unplanned downtime due to hardware flaws worldwide in 2020, by hardware platform [Graph], Lenovo, & IBM, April 1, 2020. [Online]. Available: /statistics/515441/worldwide-survey-server-unplanned-downtime-hours-four-or-more/
