Fibre cut on the Init7 path out of ZRH
Network — transit & peering — ZRH
Timeline
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Resolved
Full redundancy in ZRH restored at 00:56 UTC. Duration of the reduced-redundancy state: 2 h 35 min. No machine lost connectivity at any point; this is what the second carrier is for.
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Monitoring
The splice is complete and the Init7 link is back at full light level. We are re-enabling it gradually and watching error counters.
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Identified
Init7 has confirmed a fibre cut caused by third-party roadworks about 6 km from the site. A splice crew has been dispatched. We are operating on the second carrier plus the exchange for the duration, with headroom for peak traffic.
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Investigating
The Init7 uplink in ZRH went down at 22:21 UTC. Traffic failed over to Cogent and CIXP within seconds; capacity is reduced but no machine is unreachable. Init7 reports a loss of light on the metro fibre.
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Related pages
- Service statusLive status of every gpuserver.io component and data centre, probed every 60 seconds from five cities, with 90-day uptime and the incident log since 2022.
- Incident historyEvery incident and maintenance window on gpuserver.io since monitoring began in September 2022, month by month, with its timeline and post-incident review.
- Service level agreementThe 99.9% commitment: what counts as downtime, how it is measured from outside, five minutes of term back per minute lost, and the exclusions in full.
- NetworkUnmetered ports up to 25 Gbit/s, two carriers and an IX per site, always-on DDoS filtering, routed IPv6 — and the four things we do not offer, stated up front.