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ok i think i fixed it. Had to remove the drives from the VMs reboot add again.

If I remove the 18TB the 8tb is back to working fine..

Hi, I am really really struggling here, i have a simple NAS device called TOPON N1, with 2 drives connected 18TB and 8TB, everything was working fine for a while. But now doesn't look like both drives can work at the same time.... the minute i plugged the 18TB drive, the 8TB stopped working...

I am going to get something more powerful. not too sure if sata passthrough is possible but i am giving up for now at least. I think i was messing around too much and at some point my hard drives were not detected, I thought it was the topon but after reloading proxmox it's fine again, but the...

Confirmed , my hard drives are being recognized now (After reinstalling the OS) not gonna attempt SATA controller passthrough again (at least for now...)....

pm also doesn't work...strange, everything was working 100% before i attempted the controller passthrough. I will reload proxmox tonight not sure what else to do...i see someone suggested adding iommu=pt but i already have that and it doesn't work let me maybe remove it.

I removed the script. cat '/sys/bus/pci/devices/0000:07:00.0/reset_method' pm bus Not seeing my disks.

"And you are sure nothing did a write to that? Then the SATA controller does not advertise flr (Function Level Reset) and the bus (PCI(e) disconnect, reconnect) is the only option." not sure i understand this comment, please explain. Also maybe we didn't change anything, but I added a hookup...

okay, I am officially giving up on controller passthrough. I am actually getting anew NAS soon also. But i still can't see my drives listed under fdisk -l/or under "disks" in the GUI. what is the "default" reset method/how do i fix this.....

Motherboard bios. ok i created a hookup script and now its showing cat '/sys/bus/pci/devices/0000:07:00.0/reset_method' bus Still not working. I am working on the server remotely, let me try do a proper shutdown and see if i can get it switched on

Hi, I been messing around with the reset property. and now, not only i don't see the hard drives being passed through, i dont see the hard drives at all. (all vm's are off). what is the default reset method here? I need to at least see the drives :-( By the way, drives are being seen by the bios.

Any idea if I can pass my controller with this set up?

root@pve02:~# for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done IOMMU group 0 00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge...

Hi all....bumping this. my truenas pool broke so trying to be a good boy and do a proper passthrough as was recommended by the truenas guys.... If I do: echo bus >'/sys/bus/pci/devices/0000:07:00.0/reset_method' the VM doesn't start and the hard drive dtop showing under disks.

Thanks....just to be clear...the negatives that you mentioned are for SATA controller passthrough? (not disk passthrough)

Can i maybe change the subject a bit? sorry. I managed to successfully passthrough the drive...are there any benefits in passing through the whole controller? I am not going to use any RAID, only replicate important data between 2 drives. I assume passing the controller will preform replications...

ummm I came across this in the vm log file: AMD-Vi: AMD IOMMUv2 functionality not available on this system - This is not a bug. I am trying to pass the SATA controller to an truenas guest, but i am passing 3 lan interfaces.

looks like bus is there: cat '/sys/bus/pci/devices/0000:07:00.0/reset_method' pm bus

Hi, I am trying to passthrough this device: 07:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev ff) I tried all the options though the GUI, when switching the VM on i don't see the hard drive anymore but the hard drive doesn't appear on the VM...

NAME USED AVAIL REFER MOUNTPOINT rpool 384G 538G 96K /rpool rpool/ROOT 1.49G 538G 96K /rpool/ROOT rpool/ROOT/pve-1 1.49G 538G 1.49G / rpool/data 383G 538G 96K /rpool/data...