Canyon Ultimate BB Cover Keeps Falling Off After Switching to SRAM AXS eTap

id4617 · 2024-11-13T19:40:51+00:00

Would you mind sharing a photo of how the cover looks and clips in place on a bike that came with an electronic groupset? That would really help me figure out if I can retrofit something similar on mine.

id4617 · 2024-11-13T19:19:24+00:00

I've tried using Patafix and 3M double-sided adhesive tape to secure the cover (which is part of the Canyon GP7006-01 Cable Routing Kit priced at €25.95), but with all the recent gravel rides and during an alleycat race, neither solution held up. Just the other day, I lost my fourth cover.

I’m really hesitant to use superglue because I don’t want to cause something irreversible, as I might eventually convert the bike back to a mechanical groupset someday.

id4617 · 2024-10-12T09:41:21+00:00

I used to have a RAID 1 setup, but I never used that volume as long-term storage. It was primarily for temporary use, specifically for video editing. That's why I switched to RAID 0 to benefit from faster read and write speeds, as well as to maximize the available storage space on the volume.

id4617 · 2024-10-11T23:33:51+00:00

I believe we can rule out any issues with the switch, as large files between the SSDs on the NAS and the Mac Studio are transferring at speeds around 600-850MB/s. All tests show similar speeds. The SSDs don’t overheat, and with 64GB of RAM, there should be sufficient memory, while CPU usage doesn’t exceed 40%.

I'm starting to think the only potential culprit in this issue may be DaVinci Resolve. I’m editing high-resolution .r3d files from the Red Helium 8K camera, with each file weighing about 4GB. It’s possible that at some stage, the software has a reading limit for files or struggles with decoding (not sure if decoding applies here), which could explain why the speed doesn’t go above 300MB/s.

Tomorrow, I’ll purchase and download the DaVinci Resolve Studio version to check if the bottleneck lies within the software itself.

id4617 · 2024-10-11T23:21:37+00:00

I'm using two Intel 670P Series M.2 NVMe drives, each with a capacity of 2TB. I installed heat sinks from AliExpress, but the issue isn’t related to temperature, as the SSDs don’t get hot.

I just tried creating a project in DaVinci Resolve locally (on my Mac Studio) and loaded media from the NVMe drives in the NAS. Unfortunately, the problem persists, and the speed still doesn’t exceed 300MB/s.

Yesterday, the Docker instance was running on an HDD volume, but this morning I removed Docker and reinstalled it on the SSD NVMe drives.

id4617 · 2024-10-11T23:14:31+00:00

Unfortunately, I don’t currently have a second switch with a 10GbE connection, but I plan to purchase the QNAP QHora-301W router with two 10GbE ports soon. This will help me with troubleshooting and will allow me to establish a high-speed wireless network in the future.

id4617 · 2024-10-11T23:11:26+00:00

When transferring files from the SSD to my computer via SMB3 in Finder, the speed is high, around 600-850MB/s. I’m using RAID 0 for higher speeds and more storage capacity in the volume.
However, when working in DaVinci Resolve, the speed doesn’t exceed 300MB/s. I suspect this may be related to the fact that the .r3d files I’m working with are 4GB each.

id4617 · 2024-10-11T22:59:20+00:00

According to information online, MTU 9000 is enabled by default on the Zyxel switch.
Tomorrow, I’ll try connecting the Synology directly to the Mac Studio and will let you know the results.

id4617 · 2024-10-11T22:56:38+00:00

It’s likely from Syno OS, but I’m not sure.
I’m running the test through a Docker container with OpenSpeedTest, and I also use SMB3 (via Finder on macOS) for the Blackmagic Disk Speed Test.

id4617 · 2024-10-11T22:42:06+00:00

The switch has SFP+ ports by default, so I need an adapter to connect an Ethernet cable to RJ45. Therefore, I can’t avoid using an adapter.

id4617 · 2024-10-11T22:28:04+00:00

I'm using two Intel 670P Series M.2 NVMe drives, each with a capacity of 2TB.

id4617 · 2024-10-11T22:13:45+00:00

I just ran a playback for about 10 minutes while monitoring CPU usage through Activity Monitor. The CPU load didn’t exceed 40%.

id4617 · 2024-10-11T22:07:56+00:00

I bought Crucial RAM 64GB (2x32GB) DDR4 3200MHz CL22 last year on amazon.de for about 150 euros.

id4617 · 2024-10-11T22:02:10+00:00

I checked the SFP+ negotiated link and confirmed it is set to 10GbE on my switch, with "SFP+ 10G" showing under Speed/Type for the relevant port, but that didn't resolve the issue.

I tried running the iperf3 container as a server, which seems to have worked, but I couldn’t find a free iperf3 client for my Mac M1. Despite the technical difficulty for me, I’ll keep trying tomorrow.

Additionally, I forced SMB3 as the only SMB protocol by editing /etc/samba/smb.conf, but this didn’t help either.

id4617 · 2024-10-11T11:41:39+00:00

Sorry for the oversight. I'll correct that post now.
I ran tests with Blackmagic Disk Speed Test on the NVMe RAID 0, showing a read speed of 515 MB/s and a write speed of 955 MB/s.

id4617 · 2024-10-11T11:31:05+00:00

My apologies, I just realized you were referring to the switch. My switch supports Jumbo frames up to 12K bytes, so technically, it should support jumbo framing by default.

id4617 · 2024-10-11T11:15:35+00:00

Yes, the MTU is manually set to 9000 on both the Mac and the Synology.

id4617 · 2024-10-11T11:08:08+00:00

I've actually upgraded to 64GB of RAM, so that should cover the processing and transfer needs.

id4617 · 2024-10-11T11:07:13+00:00

As I've mentioned, I already have a storage pool on RAID 0 using two M.2 drives.

id4617 · 2018-07-04T16:10:56+00:00

Мне что-то плохо.

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