Quote from: drosophila on March 12, 2026, 03:25:24 AMOn my system /var/log is written to as root:Hmm... OK... bad example then I guess... d0h!-rw-r--r-- 1 root wheel 255345 Mar 11 23:13 messages
QuoteThe only safeguard against this filling up the drive is to put /var on its own fs, which is how it's done here.I think the other images don't have that because it's only the nano image that has the minimized writes to storage config.
On the OPNsense box, /var/log is mounted as tmpfs (running a -nano image, may be different on others).
Quote from: patient0 on March 13, 2026, 09:08:27 PMAre you using a RJ45 module in one of the 10G SFP+? The NVME sits behind the SFP+ ports and got warm/hot when I did test RJ45 modules.
Quote from: patient0 on March 13, 2026, 09:08:27 PMI think the gap between the NVMe and the enclosure is quite substantial but maybe that changed with later models. There was a cutout for the RAM stick and like a pedestal (whatever the correct english word would be) for the CPU, nothing else.
Motherboard on the shop website:
https://shop.opnsense.com/dec700-series-opnsense-desktop-security-appliance/
https://shop.opnsense.com/wp-content/uploads/2021/11/NetBoard-A10_Gen.3_P1.0-CN_2021-Nov-08_03-52-59PM-000_CustomizedView15531474162.png
Update: four photos under https://kupper.org/OPNsense-DEC740/ . Open the images in a separate tab/window for the bigger size. And I'm very much not a web guy, so sorry about that.
Quote from: pfry on March 13, 2026, 02:27:44 PMQuote from: foxxx0 on March 13, 2026, 10:15:11 AM[...]I'm kinda hoping I could just purchase a thermal pad of the necessary thickness (guessing somewhere between 0.5-3mm) to improve the NVMe temperature.[...]
Some things to consider:
- Thermal pad will be better than air;
- ...But contact/pressure is important, and M.2 boards are worthless/weak and generally unsupported;
- The controller is the major power consumer, so your focus should be on it;
- Be aware of component height - I have M.2 SSDs where the controller is .25mm lower than surrounding components, a critical but hard-to-see issue.
You'll want a dead soft pad. I'd recommend getting a few and seeing what you can work with. Ideally you can trial the thing (such that you can directly view contact) or take an impression (via, say, very soft clay) to try to see how applying pressure to the controller will flex the board. Some motherboards use medium foam supports under the board, but sourcing something like that might be tough. On one of my tiny ARMs I had to trial several pads and thicknesses to find one that didn't simply flex the board such that the controller surface was no longer parallel to the opposite surface, resulting in limited contact. Foam pads are garbage from a thermal standpoint, but may be better from a physical standpoint.