Query: Difference between P2PDMA mode vs Phonenix Layer

[alokprasad]

GDS Now supports P2PDMA , which doesn't needs nvidia-fs and patching of nvme stack ( in kernel) , how this approach is different than
P2PDMA .

[Herlly]

P2PDMA is a feature introduced in newer Linux kernels. We have not yet conducted in-depth research or validation on this functionality. However, we have noticed that enabling P2PDMA comes with specific requirements on both the Linux kernel version and the CUDA version, and it does not support with RAID.