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[Docs]: Nebius InfiniBand clusters #2634

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jvstme merged 1 commit into from
May 14, 2025
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[Docs]: Nebius InfiniBand clusters #2634

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11 changes: 10 additions & 1 deletion docs/docs/concepts/fleets.md
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Expand Up @@ -71,7 +71,16 @@ This ensures all instances are provisioned in the same backend and region with o
If the `aws` backend config has `public_ips: false` set, `dstack` enables the maximum number of interfaces supported by the instance.
Otherwise, if instances have public IPs, only one EFA interface is enabled per instance due to AWS limitations.

> The `cluster` placement is supported only for `aws`, `azure`, `gcp`, `oci`, and `vultr`
??? info "Nebius"
`dstack` automatically creates an [InfiniBand cluster](https://docs.nebius.com/compute/clusters/gpu)
if all instances in the fleet support it.
Otherwise, instances are only connected by the default VPC subnet.

An InfiniBand fabric for the cluster is selected automatically.
If you prefer to use some specific fabrics, configure them in the
[backend settings](../reference/server/config.yml.md#nebius).

> The `cluster` placement is supported only for `aws`, `azure`, `gcp`, `nebius`, `oci`, and `vultr`
> backends.

#### Resources
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2 changes: 1 addition & 1 deletion docs/docs/guides/troubleshooting.md
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Expand Up @@ -102,7 +102,7 @@ one of these features, `dstack` will only select offers from the backends that s
are supported by all backends except `runpod`, `vastai`, and `kubernetes`.
- [Clusters](../concepts/fleets.md#cloud-placement)
and [distributed tasks](../concepts/tasks.md#distributed-tasks)
are only supported by the `aws`, `azure`, `gcp`, `oci`, and `vultr` backends,
are only supported by the `aws`, `azure`, `gcp`, `nebius`, `oci`, and `vultr` backends,
as well as SSH fleets.
- [Reservations](../reference/dstack.yml/fleet.md#reservation)
are only supported by the `aws` backend.
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