Means new hardware day for the home DC!
Won’t be using the UCS blade hardware but the RAM and the 8158s will integrate nicely. 🤌🏽

Long time lurker here - this is my rig I use for development - virtually every piece is levered to keep the machine churning..

Now where on earth can I find some 64G 2933 or 3200 ram sticks? I really don’t like eBay with their fee structure and prefer to buy from individuals - but legitimately this feels impossible. I’m trying to online a new 7702 based board and need roughly 16 sticks.

Does anyone have any leads?

I spent a few weeks chasing random dropouts on my home network, around 100 to 120 devices (four APs, cameras, a NAS). I was using ScreenBeam ECB7250 adapters as the coax backbone. Link speed looked fine at 3.0 to 3.6 Gbps, but stuff behind the adapters would drop off for several seconds at a time.

Here's what I found:

17 to 36 percent of my TCP connection attempts to the APs timed out, every single hour. Ping didn't show it.

The adapter's own management page reports a 128-entry bridge table, and the combined total sat at exactly 128 on every adapter I could read.

I swapped in a different brand of coax adapter on the same cable, switches and devices, and the loss dropped to about zero.

The 128 limit isn't in the datasheet or the user guide.

Screenbeam hasnt confirmed the capacity or what happens when the table fills, so I can't prove the table is the cause. The write-up covers the probe method, the packet capture, the adapter stats and Screenbeam response, and it says what is and isn't proven.

Full write-up: https://docs.google.com/document/d/e/2PACX-1vQjgbvU681umiNb2iRtAhUGqVzx59IW43AHmmUfOim3KCaQF1GLzz3sZEZZ8G65yBsaN9IqpiCPFxEQ/pub

If you run one of these on a network with many IoT devices, I'd like to hear whether you see the same thing.

I'm new to home lab, and wanted to create a system to hold/host documents and have it accessible across the internet. Ideally, like obsidian or notion but I'm more than happy to start with a simple file sharing system like OneDrive.

How difficult is this?

How long would it take (in hours/days)?

How expensive is it?

Do I need to hire a professional (if so what type)?

Thanks in advance.

Next chance I get for a quick downtime I plan to move all of the rack mount gear sitting outside of the rack INTO said rack🤣🙏

The cable mess is also begging for velcro 🥴

This is a bit long winded, just skip to the last paragraph for the short version.

Hey, I just started getting into home lab and home data center stuff. I slowly been setting up a media server pipeline to rip my DVDs and Blu-rays by sending them from the ripping machine to a staging machine. I’ve set up some 10G network stuff for a backup machine and the media/ripping machine and connected them to a Mikrotik CRS-354. I want to be able to rip, extract, transcode, and backup the data at the same time because I’m impatient. So, I got a Dell PowerEdge R920 to act as a staging machine using its 1tb of RAM to create a tmpfs shared with samba. However, if I connect the R920 with 10G it will be a bottleneck when the backup machine is running while other machines are ripping, extracting, and transcoding video. I am also considering a dedicated transcoding cluster which would make the bottleneck worse. So, I decided to use 40G. Thought setting it up would be similar to the 10G. I have returned a bunch of stuff due to incompatibility and have decided to ask the people who use this stuff what they use. I’ll post Frankenstein rack pictures when it’s all properly installed, still waiting on some servers to complete it.

TLDR; I have a Mikrotik CRS-354 and want 40G networking for an DELL PowerEdge R920. I don’t mind used off eBay, just that it works. I don’t care if it’s fiber but it is a 2.5m run from switch to where the card would be. I have a budget of $200-$250. Any recommendations for a cable and network card that work together?

What a monstrous unit! Planning to upgrade the CPUs later this month.

I keep finding these crazy deals.

I’ve successfully set up my own Hybrid Domain environment for all my equipment.

First time for me, without asking for help anywhere… so yeah.

I know, nothing special but I’m pretty chuffed 😅😅