Migration — LinkMesh Blog

A machined manifold where four differently-sized intake ports converge into a single blue-marked discharge line

One Agent to Rule Them All

A forwarder, a Datadog Agent and a OneAgent on every host. How to consolidate monitoring agents into one OpenTelemetry Collector — and what you lose.

Roman HüslerSep 25, 202613 min read

Two identically sized vessels joined by a transfer line with a machined reducer narrowing its bore

LinkMesh

MigrationTelemetry Pipelines

Splunk → Microsoft Sentinel

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A Splunk-to-Sentinel move only pays off if data volume changes on the way. What a lift-and-shift costs, and where the pipeline layer belongs.

Roman HüslerSep 1, 20267 min read

An empty machined base plate with its own mounting pattern, the old fixings laid out in order beside it

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MigrationObservability

VMware → Proxmox

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vCenter alarms, Aria dashboards and VMware Tools don't come with you. What each one maps to on Proxmox, what has no equivalent, and what to build instead.

Roman HüslerAug 28, 20265 min read

A machined manifold block splitting one inlet into four identical outlets of equal bore

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Telemetry PipelinesOpenTelemetry

One Strategy, Many Backends

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Splunk, Sentinel, Grafana and Dynatrace in one estate is normal, not a mistake. Collect once and fan out, instead of one agent per backend.

Roman HüslerJul 7, 20266 min read

A stainless wye fitting splitting one valved inlet into two identical outlet legs

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OpenTelemetryTelemetry Pipelines

Dual-Shipping Without Duplicates

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Dual-ship telemetry to two backends to validate a migration — without double-counting hosts, doubling metrics or duplicating every log line.

Roman HüslerJun 18, 20268 min read

A single wide duct feeding a steel intake hopper, three old feeder tubes freshly capped and three still open beside it

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OpenTelemetryMigration

Elastic Agent → OpenTelemetry

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Replace Filebeat, Metricbeat and Fleet-managed Elastic Agent with OTel Collectors and OpAMP — and keep Elasticsearch and Kibana while you dual-run.

Roman HüslerApr 1, 202613 min read

Two different measuring instruments clamped to the same pipe, both in service

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OpenTelemetryMigration

Dynatrace → OpenTelemetry

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Run OpenTelemetry alongside OneAgent, validate signal parity, then cut over — without losing the coverage OneAgent gave you automatically.

Roman HüslerMar 19, 202611 min read

A conveyor running through a warehouse doorway, with hand trucks parked tidily to one side

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OpenTelemetryMigration

Splunk Enterprise → OpenTelemetry

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Retire universal and heavy forwarders and HEC for OTel Collectors, keep Splunk as a destination while you dual-run, and move cost off per-GB.

Roman HüslerMar 4, 202612 min read

A machine frame whose instrument heads are being unbolted, two removed and set aside, the mounts left in place

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OpenTelemetryMigration

New Relic → OpenTelemetry

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How much work a New Relic exit really is: swap the APM and Infrastructure agents for OTel SDKs and Collectors, keep New Relic on OTLP, then cut the bill.

Roman HüslerFeb 18, 202613 min read