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Homelab TwinDC Sim by Sensaka
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Homelab TwinDC Sim by Sensaka
RACKDENSITY: all products

Theme

The sample twin

The sample twin is a demo hall built from one Excel file through the same importer customers use: 13 racks in three rows with servers, switches, storage and GPU nodes, a NOC desk with devices outside a rack, A and B PDUs fed by two UPS units behind an ATS, three cooling units and several hundred cables. Download the file, change a row, and that is the file we import in a walkthrough.

The demo hall in 3D with the Monitor panel: IT load 79.1 kW, PUE 1.16, 488k tokens per second, 22.2M tokens per kWh, hottest inlet 19.6 °C, two alarms on rack R05.
Monitor on the demo hall, imported from demo-hall.xlsx.simulated data
One-line power diagram of the demo hall from utility and generator through the ATS, two UPS units and two panels to the rack PDUs, with load bars.
Power: the one-line diagram built from the Power sheet and the power cables.simulated data
Cabling view of the demo hall with power, network, storage and console cables routed through trays, and the cable filter open.
Cabling: every row of the Cables sheet as a routed run.simulated data
Network topology of the demo hall with spine-01 failed and a banner listing devices that lose every network path.
Network: fail spine-01 and see who loses every path.simulated data
Top-down Air view of the demo hall with an inlet temperature heat map, labelled estimated.
Air: inlet temperatures from the zonal model, labelled estimated.simulated data
DC Sim on a phone: the demo hall in 3D with the View menu, import button and time slider.
The same twin on a phone.simulated data

What a walkthrough shows

  • The demo hall in the browser: the View menu, the time slider, Design, Monitor, Simulate and Replay.
  • UPS-A, Fail in the Power diagram: read the banner, then Simulate it for the timeline.
  • Cabling: pick a cable and Trace it through the patch panel.
  • Network: fail the spine switch and see who keeps a path.
  • Device: open a GPU node in its rack and take it apart.
  • Then the same with your own file.

Other demo rooms

An edge room (one row, two PDUs, one cooling unit) and a 96-rack hall with a liquid-cooled GPU row (CDU, manifolds, a leak scenario). Partners present from these.

The file

Download demo-hall.xlsx: the filled template behind this twin. Change a row and the change list on re-import shows exactly what moved.

The Devices and Cables sheets, import, checks pinned in 3D, then a re-upload with its change list (48 s).recorded in the app
Questions people ask
Is the sample real data?

No. It is a synthetic room generated to exercise every layer; the device models in it are real catalog entries.

Can I open the demo myself?

Not publicly. We show the demo rooms, and your own file if you send one, in a walkthrough.

Why does the Air layer say "estimated"?

Because the sample has no real sensors: the zonal model projects temperatures from the cooling capacity and the rack heat, and says so.

One Excel file. Your room in 3D.

Download the import template (v1.3, nine sheets, only Devices required) and the filled example from our demo hall. No form, no email needed, no macros in the files.

Download the template (.xlsx)Download the filled exampleRequest a walkthrough

Fill in the Devices sheet and send it with your walkthrough request; we import it on the call. What each sheet does