Feature Overview (aka. Goal Summary)  

IBM Z System enhancements will be done to get NVMe devices available for boot from and use them as data disks. Therefore NVMe enablement should be targeted due to the enabled by starting with the current level as data disks e.g. by provide ODF a cheap storage to operate on. Further leading to a fully supported disk device including boot.

Goals (aka. expected user outcomes)

Support of NVMe devices on IBM Z systems running OpenShift

Requirements (aka. Acceptance Criteria):

Enable as Data device and use the PCI enabled disk when it is detected as local PV

Working on the NVMe enablement for booting from NVMe and validate the change required in OCP

Enable full boot from NVMe local and remote as supported by zHW

<enter general Feature acceptance here>

Anyone reviewing this Feature needs to know which deployment configurations that the Feature will apply to (or not) once it's been completed.  Describe specific needs (or indicate N/A) for each of the following deployment scenarios. For specific configurations that are out-of-scope for a given release, ensure you provide the OCPSTRAT (for the future to be supported configuration) as well.

Use Cases (Optional):

Include use case diagrams, main success scenarios, alternative flow scenarios.  Initial completion during Refinement status.

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Questions to Answer (Optional):

Include a list of refinement / architectural questions that may need to be answered before coding can begin.  Initial completion during Refinement status.

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Out of Scope

High-level list of items that are out of scope.  Initial completion during Refinement status.

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Background

Provide any additional context is needed to frame the feature.  Initial completion during Refinement status.

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Customer Considerations

Provide any additional customer-specific considerations that must be made when designing and delivering the Feature.  Initial completion during Refinement status.

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Documentation Considerations

Provide information that needs to be considered and planned so that documentation will meet customer needs.  If the feature extends existing functionality, provide a link to its current documentation. Initial completion during Refinement status.

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Interoperability Considerations

Which other projects, including ROSA/OSD/ARO, and versions in our portfolio does this feature impact?  What interoperability test scenarios should be factored by the layered products?  Initial completion during Refinement status.

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