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en:pc:test_multiple_nvme_namespaces [2023-05-29 22:54] Decomo created |
en:pc:test_multiple_nvme_namespaces [2023-05-31 09:08] (current) Decomo |
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</ | </ | ||
- | ===== 名前空間の追加 | + | ===== Add namespaces |
Any moment now, create new namespaces. | Any moment now, create new namespaces. | ||
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| '' | | '' | ||
- | 作成した名前空間はコントローラにアタッチして初めて使えるようになる。 | + | Added namespace will be available when it is attached to the controller. |
< | < | ||
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</ | </ | ||
- | 同じ要領で、もう1つ名前空間を追加する。 | + | Add one more namespace in the same way. |
< | < | ||
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</ | </ | ||
- | システムから'' | + | It turns out the system recognises them as '' |
< | < | ||
$ sudo nvme list | $ sudo nvme list | ||
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</ | </ | ||
- | ===== UEFIやOSからの見え方 | + | ===== How namespaces looks on UEFI or OS ===== |
So actually let's get down to business. | So actually let's get down to business. | ||
- | What NVMe devices can have multiple namespaces is good thing, but how are they after the second recognised by UEFI (BIOS) or OS? | + | What NVMe devices can have multiple namespaces is good thing, but how are they especially |
The NVMe namespace is device divide function close to hardware layer, however, physical device as a PCIe device is still nothing but only one. | The NVMe namespace is device divide function close to hardware layer, however, physical device as a PCIe device is still nothing but only one. | ||
I think software support by like a NVMe driver of a host system is one of important parts to work with the function. | I think software support by like a NVMe driver of a host system is one of important parts to work with the function. | ||
- | It is a worrisome whether to support multiple namespaces or not especially | + | It is a worrisome whether to support multiple namespaces or not especially |
It's wonderful if the system can boot from arbitrary namespace, but there is no information on the net, so I actually check it out. | It's wonderful if the system can boot from arbitrary namespace, but there is no information on the net, so I actually check it out. | ||
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Boot order has given priority to the second "UEFI OS", thus the Proxmox VE is launched as expected. That's impressive! | Boot order has given priority to the second "UEFI OS", thus the Proxmox VE is launched as expected. That's impressive! | ||
- | ===== 参考サイト | + | ===== References |
* [[https:// | * [[https:// |