Error: topology Disks have duplicate serial numbers: None (sda, sdb, sdc)

HV: Proxmox Virtual Environment 9.0.11

VM: TrueNAS Scale: 25.10.0 - Goldeye

Drives
NVME SSD: NVME WDC 64Gb - Boot drive

HDD : WD Drives Data Mirror 4Tb

SSD: Kingston SA400 120Gb

I’m trying to add the Kingston SSD as cache drive in an existing pool.

I always get this error, even though this is a separate drive with different serials

I already try to pass the serial from Proxmox to the TrueNAS vm

Do NOT pass virtual drives from Proxmox (other than the VM itself); pass through the SATA/SAS controller and NVMe drives as PCIe devices—and blacklist them in Proxmox.

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Ohh I finally have the proper passthrough.

I added the entire SATA Controller to the TrueNas VM as PCI Device so the TrueNAS will have a complete control with my SATAs.

Thank you

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I’m having a similar problem, but I’m using an ACASIS 5-bay RAID 0 with two 14TB Seagate IronWolf HDDs connected via USB to a miniPC with an i5 processor, 8GB of RAM, and 256GB of storage, running TrueNAS-SCALE-25.10.0.1.

Could you help me with this?

Hard Drive IronWolf 14 TB (A)
CrystalDiskInfo 9.7.2 x64
Firmware: SN03
Serial Number: ZTM0D50D
Interface: USB (Serial ATA)
Rotation Rate: 7200 RPM
Transfer Mode: SATA/300 | SATA/600
Number of Times Connected: 4 times
Number of Hours Connected: 2 hours
Standard: ACS-4
Supported Features: S.M.A.R.T., NCQ, Streaming, GPL

Hard Drive IronWolf 14 TB Hard Drive (B)
CrystalDiskInfo 9.7.2 x64
Firmware: 1000
Serial Number: ZTM0D5LP
Interface: USB (Serial ATA)
Rotation Rate: 7200 RPM
Transfer Mode: SATA/300
Number of Times Connected: 4 times
Number of Hours Connected: 2 hours
Standard: ATA/ATAPI - 7
Supported Features: S.M.A.R.T., APM

Thank you in advance!

This is your problem, and there’s no solution other than using hardware that is suitable for ZFS, namely either a PC that is large enough to host drives internally, attached to motherboard SATA ports, or a proper SAS enclosure attached through external ports from a HBA. (A SATA enclosure would work, but no port multiplier in there: Proper lanes for all drives.)
You should have opened your own thread…

Just out of curiosity: you mentioned RAID 0
However, the external enclosure presents the HDDs individually, and you can read the individual drive information with CrystalDiskInfo ?

I’m having this same error attempting to add a disk as a spare. My drives are direct attached via SCSI, no external bay, no USB, and TrueNas is not virtualized. Does anyone have any ideas why this may be the case still?

I submitted a bug report, NAS-139550, but they thought it was due to my “disk shelf”. Though I did not mention any disk shelf. I wonder if they meant just the SCSI adapter? I’m using an LSI 9300-8i.

Try the following thread. Similar issues. You didn’t list detailed hardware and I can’t see what info was submitted to the Jira ticket since I don’t work for TrueNAS. Disk shelf has to be related to your chassis.