[PVE-User] Tape Drive Pass Through into PBS VM

Dominik Csapak d.csapak at proxmox.com
Mon Jul 26 11:06:05 CEST 2021

On 7/26/21 10:50 AM, Samuel Lorch wrote:
> Hello,
> i Have been trying to pass through a TC-L52BN LTO 5 Tape Drive from 
> Quantum that's connected to a MegaRaid SAS 1068 LSI Raid Card, this 
> setup works if i have a bare metal installed Proxmox Backup Server. I 
> Have IOMMU Enabled on the Proxmox Host and Passed through the Raid Card 
> to the VM. I can Also see the Raid Card With "lspci" from inside the VM 
> but the "proxmox-tape drive scan" command and the UI can't seem to find 
> it. Is there Any Additional Setup i have to do / any Troubleshooting 
> steps i could follow?
> Thanks,
> Samuel


did not try such a setup myself, but is the passthrough properly 
working? I.e. do you see any other disks that are connected?

Is the correct driver loaded for the raid card?

Also what does 'dmesg' show?

kind regards

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