Hi
We have strange problem with Proxmox VE 5.3.8 + Dell SCv2020 over FC.
HDDs in storage have 512n sector size but fdisk reports physical sector size 4096 and also I/O size is very high.
On top of that we use multipathd.
Disk /dev/sdd: 3 TiB, 3298534883328 bytes, 6442450944 sectors
Units...