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Reading up on NVMe I encountered concept of namespaces. From what I gather they seems to be roughly non-resizable logical volumes implemented in hardware but they are nowhere really explained.
(Bonus question - how do they interact with EFI boot)
Maciej Piechotka
Posted 2017-03-21T08:01:56.960
Reputation: 753
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A namespace defines a contiguously-addressed range of Non- Volatile Memory similar to a SCSI Logical Unit (LUN) or a NVM Express namespace. Namespaces described by this specification can be either Persistent Memory namespaces or Block Mode namespaces. For more information you should probably check this document. http://pmem.io/documents/NVDIMM_Namespace_Spec.pdf
Yash89
Posted 2017-03-21T08:01:56.960
Reputation: 11
There's more in-depth information on https://unix.stackexchange.com/questions/520231/what-are-nvme-namespaces-how-do-they-work ...
– eMPee584 – 2019-12-15T19:01:22.047