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Hello Jeff, you say manually turn PLP on? How is this done in Device Manager? I couldn't find much I could change on the Drive or the nVME Storage Controller. Cheers.

Currently using iWARP as DCB is a cost option on the Cisco Switches. NICs are the HPE 622FLR-SFP28 this is Marvell QL41401 based.

We have also been going round in circles for a while, in desperation I turned off RDMA on the NIC's ... With RDMA = 340 MB/s Without RDMA = 1300 MB/s Although this isn't a supported configuration it might mean that the Samsung SSD's are working as intended. We have just rebuilt our cluster as...

Yeah MS are being rather slow with us as well. We are using iWarp rather than ROCEv2 which makes things easier. Went with simplified networking (2 x IP's on the same subnet) but currently have cluster and client on the same set of NICs. MS seem to be saying that its the network and not the SSD's...

Timmerdanny, did you ever get to the bottom of the "IsPowerProtected is set to false" and slow cache write issues? We have just got a cluster up and running using these SSD's and are seeing the same issues. I have a call out with Samsung but they are next to useless.