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🤖: Deployment available as https://docstest.simplyblock.io/docs-pnfs |
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🟡 Changes recommended
Several requirements and verification steps incorrectly describe Linux pNFS behavior and could mislead operators.
8 open findings
What changed in this PR
Adds initial pNFS documentation for Kubernetes ReadWriteMany volumes, covering architecture, deployment requirements, configuration, operation, and terminology.
Changes:
- Documents pNFS architecture and lifecycle.
- Adds Kubernetes provisioning and troubleshooting guidance.
- Records kernel, KVM, distribution, and cloud requirements.
| File | Description |
|---|---|
docs/architecture/concepts/pnfs.md |
Explains pNFS architecture and lifecycle. |
docs/kubernetes/usage/pnfs.md |
Adds configuration and usage guidance. |
docs/kubernetes/usage/index.md |
Links the new usage page. |
docs/reference/supported-linux-kernels.md |
Adds pNFS kernel requirements. |
docs/reference/supported-linux-distributions.md |
Adds distribution validation status. |
docs/deployment-preparation/software-requirements.md |
Adds client software requirements. |
docs/deployment-preparation/hardware-requirements.md |
Adds KVM requirements. |
docs/deployment-preparation/cloud-instance-recommendations.md |
Adds cloud virtualization guidance. |
docs/important-notes/terminology.md |
Defines pNFS terminology. |
docs/important-notes/acronyms.md |
Adds related acronyms. |
🧠 Review effort: Balanced
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- Drop nvme_get_unique_id as a client requirement: it is called by nfsd on the metadata server, which brings its own kernel. The client needs the pNFS block layout driver with NVMe support (nvme-eui. lookup). - Remove the unverified RHEL 9.5 client claim and the 6.11 statement. - Qualify the direct data path where it read as unconditional. - Check the direct path with the per-operation counters, since pnfs=LAYOUT_SCSI does not change when a client falls back. - Narrow nested virtualization to virtualized instances, and stop promising /dev/kvm on bare-metal instances unconditionally. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Contributor
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🤖: Deployment available as https://docstest.simplyblock.io/docs-pnfs |
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