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I am trying install DSM 7.2 - DS3622xs+ on the following system: Ryzen 5 4650g Rog Strix b550i (4xsata, 2xNvme) 32gb ram On motherboard sata: 2xSSD for Proxmox boot, 2xSSD for Proxmox VMs, 2xNVME for Xpenology cache On LSI/Broadcom SAS3008 HBA Controller in IT Mode: 4x18tb HDD, 2x SSD for VMs, 2xSata empty for future expansion ARC Loader 21.4.24.img I followed some PCIE passthrough tutorials to install xpenology using the manual HDD pass-through method which worked fine but was limited to 6 sata ports only. Installed with ARC Loader 21.4.24, selected the first option for SataportMap: Active Ports*. When I got to the find.synology.com screen, it recognized I had drives 2 to 7 and installed DSM. However, I would like the option to have more drives in the future, so I scrapped the VM and try to install again by passing the whole HBA card to the VM itself. I added- Raw Device - select HBA Card - ROM-BAR and PCI-Express Checked. I have tried every option for the SataportMap, but each time I get 'No Drives Detected'. In the Arc Loader sysinfo, when you scroll down, it recognizes the HBA card and says it has 6 drives attached to it. This told me that the loader can see the drives, so I manually passed through one of my NVME drives using scsi. When you get to the find.synology.com screen, it recognized the 1 nvme drive and was able to install DSM. When it finally loads, my 4x18th and 2xSSDs attached to the HBA are visible and working fine in DSM. So what am I missing? Can I not boot into DSM without having at least one HDD or SSD manually passed through? My eyes are going cross trying to troubleshoot every possibility, I wanted to list here everything I have done to troubleshoot but that would be a huge post. Should I skip trying to pass through the whole HBA Card and just manually pass through the drives? How do I add more drives then? Any suggestions are welcome.

Hello all, I am looking to install xpenology on a proxmox VM, ryzen 5 4650g, 32gb ram, HBA card, 4x18tb hdd, 2x nvme for cache, 2x ssd for VMs/other. Which model do I choose as there are new ones available that are not in the DSM 7.X tutorial info. 423+, 923+, 1621+, 1821+ 1823xs+ 3622xs+ etc? What are the differences between these models in xpenology because in the bootloader you can unlock nvme caching, extra bays etc

Hello All, I have gone down a rabbit hole in search of a way to retain dual nvme slots as a cache for my xpenology. I have a supermicro x11scl-if microATX board with only 1x nvme, 4x sata and 1x pcie x16 slot. Xpenology is installed as a VM on proxmox. I am looking at the LSI 9211-8i HBA controllers to expand to 4x18tb drives and 2x1tb 2.5inch ssds for cache. This setup should work fine but is there a way to use NVMEs instead of regular SSDs? I got to looking into getting a LSI SAS 9300-16i HBA controller that has 4xSFF-8643 ports. Hypothetically can you connect 4xHDDs to port 1 with a normal SFF-8643 to x4 sata cable, and then on 2 other individual ports (2&3)use a Mini SAS 3,0 SFF 8643 to U.2 SFF-8639 cable and then a u.2 version ssd (intel p4510 u.2 version) *very expensive option* OR a cheaper option... run NFHK SFF-8639 NVME U.2 to NGFF M.2 M-Key PCIe SSD Adapter with a good NVME drive. While the gain is very small, this card should have the ability to run the NVMEs at almost full speed correct? Anyway, just an idea for now, looking forward to hearing your perspective.