100% it's the cable. That's an FS brand and I've always had trouble out of them.
Intel has a compatibility chart that lists the DAC's that will work with their cards. I'm sure you can find one that will work outside of the compatibility chart, but it's a crapshoot at best and it may cause you...
The configuration looks fine. My configuration is somewhat similar, except my PBS install is virtual and is accessing a SAN and has a dedicated NIC for it - nothing I can add there.
I'm starting to bank on some incompatibility in the hardware - especially since you're using twinax. Look over...
Can I see the /etc/network/interfaces files from both servers?
Also, what models are these SFP+ cards? How are they connected? Twinax? Fiber? If fiber, what models are the modules? What kind of fiber is being used?
I can see the OS is detecting a link, but in the world of SFP+ I've seen...
I've done passthru with my Nvidia Quadro P900 to my Plex VM using this walkthru: https://youtu.be/-HCzLhnNf-A?t=679
Relevant info starts at about the 11:19 mark.
On an initial glance, there's some grub config that has to happen on the proxmox hypervisor, probably more missing. While the end...
If you want a dedicated connection, I'd personally use a network that leaves no room for guesswork.
PVE:
128.50.50.1 / 255.255.255.252
PBS:
128.50.50.2 / 255.255.255.252
No gateway necessary.
I'm fairly certain the issue has something to do with the serial device not populating, I think the driver is in place, so I don't know quite what to do at this point.
Trying to list the socket:
# ls -la /dev/virtio-ports/org.qemu.guest_agent.0
ls: cannot access...
Ok, I used the old volume group name (SAN_VG), now the storage I had removed previous to the reconfiguration, is now back. With the files I destroyed still listed. Some very weird things are going on.
Odd, I may have found a bug, here's how I produced it.
1 - Configured a LUN with an ID of 0
2 - Setup iSCSI on Proxmox using LUN with the ID of 0
3 - Began use of LUN (put containers or VM's on it - I used it for quite some time)
4 - Setup alternate storage, and moved everything off of iSCSI to...
I have a LUN configured on my SAN, and I can add the iSCSI storage without issue.
However when I attempt to configure a LVM volume on said iSCSI storage, the base volume never populates.
root@homeproxmox:~# pveversion -v
proxmox-ve: 7.2-1 (running kernel: 5.15.74-1-pve)
pve-manager: 7.2-14...
I found out what happened. After an update, my vzdump.conf got overwritten and the dump dir I had specified got removed. One of my own old thread clued me in.
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