Issue Detecting Tape Library on PBS Server

M

Marmotto

New Member
Sep 2, 2025
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Hello,

We’re trying to configure our changers (HPE StoreEver MSL3040 Tape Library) on our PBS server.

However, when I attempt to configure it, the device doesn’t appear correctly in PBS. Proxmox doesn’t detect it when I run the proxmox-tape changer scan command.

The only way I can see the device is by checking the kernel logs.

And in the GUI i don't see him too

Everithing is update

Please find attached a screenshot that illustrates the issue.

image (2).png

Do you have any idea why this is happening, or how I can fix the issue ?
 
Good morning,

I have the same issue. Seems, that the problem is on the behavior of the HBA. AFAIK some HBAs can perform something like a passthrough-mode instead of a raid-mode. I am in contact with our Fujitsu Support. Actually we don't have a working solution. I'll post here if we solve the problem.
 
Hello,

exactly same issue on my installation. I'am testing as a PoC PBS 4 (4.0.18) with an Fujitsu LT60 Library and with an CentricStor 8050 system. Both devices are connected via fibre channel, our controller is an Broadcom LPE16002. On Debian level everything is fine, all devices show up on lsscsi / dmesg and mtx outputs. CS 8050 is able to emulate different library devices (e.g. Quantum Adic 1000), but no emulation works. We can add drives of the libraries as standalone drives.
My Question: Does anyone know a working combination of fibre channel HBA controller and tape changer with PBS 4?

[Edit]:
Fujitsu LT60 Library is now working after an reboot. But we cannot get CS 8050 VTL as changer running.
 
Last edited:
Hello,

we are not using FC, but maybe interessting for someone else:
We use a SAS-Connection.
I tried to connect our productive Library instead of our old testing-device. Now I have a working setup with PBS 4.0.18 and a Fujitsu Eternus LT140 Tape-Library with two HP-Ultrium 7 drives. The changer was detected correctly and i was able to configure with
Code: 
proxmox-tape changer create lto --path /dev/changer
 
Last edited:
Hello,

The issue was related to the compatibility between PBS and the tape changer.

After extensive research and many questions, we found a controller card that appears to be compatible.

We purchased the HBA Controller Card, Broadcom SAS3008.
We chose this model because it offers:

  • I²C interfaces for enclosure management
  • Host Bus Adapter (HBA) functionality
  • Bonus: 12 Gb/s SAS interface

We have received the card and tested it, and it worked for us.
 
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