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docs: V2 data engine docs for RDMA transport, per-node SPDK labels, and shallow-copy pipeline - #1383

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docs: V2 data engine docs for RDMA transport, per-node SPDK labels, and shallow-copy pipeline#1383
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@jleeh jleeh commented Jun 25, 2026

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Summary

User-facing docs for Longhorn V2:

  • RDMA transport (RoCE v2, explicit node label, one transport per engine attachment)
  • Per-node SPDK configuration labels
  • Shallow copy / deep copy, including pipeline depth setting

Companion to longhorn/longhorn#13396.

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jleeh requested a review from a team as a code owner June 25, 2026 12:08
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jleeh force-pushed the pr/docs/v2-feature-docs branch from 048fb75 to 5396300 Compare June 25, 2026 12:09
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New feature pages:
- RDMA Transport Support: auto-detected dual-listener TCP+RDMA, mixed clusters
- Per-Engine QoS Limits: IOPS/bandwidth caps via SPDK bdev_set_qos_limit with usage guide
- Shallow Copy and Deep Copy: efficient rebuild primitives, pipeline depth, range copy

Updated settings reference:
- Data Engine Replica Controller Loss Timeout (ctrlr_loss_timeout_sec)
- Data Engine Replica Reconnect Delay (reconnect_delay_sec)
- Data Engine Replica Fast I/O Fail Timeout (fast_io_fail_timeout_sec)
- Data Engine Shallow Copy Pipeline Depth (shallow_copy_pipeline_depth)

Updated v2-data-engine index page with links to new feature pages

Signed-off-by: Jonny <jonny@linkpool.io>
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jleeh force-pushed the pr/docs/v2-feature-docs branch from 5396300 to 81b9e67 Compare June 25, 2026 12:20
@jleeh jleeh changed the title docs: V2 data engine feature docs (RDMA transport, QoS limits, shallow/deep copy) and settings reference updates docs: V2 data engine docs for RDMA transport, per-node SPDK labels, and shallow-copy pipeline Jul 15, 2026
Update RDMA and per-node label docs for explicit transport selection
and single-transport-per-engine attachments. Keep shallow-copy pipeline
setting docs; drop engine QoS page and replica timeout settings that are
out of the current upstream scope.

Signed-off-by: Jonny <jonny@linkpool.io>
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This PR is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 10 days.

@github-actions github-actions Bot added the stale label Aug 15, 2026
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