raspberrypi
RBD module should be added
Describe the bug
RBD module is not available in compiled Raspberry linux kernel images but is needed for CEPH
in #2916 CEPH module was added - additionally RBD would also be very useful to use e.g. CEPH ROOK on raspberry systems
i tried looking into various branches in /arch/arm64/config/defconfig and found no mention of RBD. having it as a module should not have many downsides apart from a bit more compliation time and a bit bigger deb package.
Steps to reproduce the behaviour
using raspbian (debian on raspberry) :/boot# grep CONFIG_BLK_DEV_RBD /boot/config* /boot/config-6.6.28+rpt-rpi-2712:# CONFIG_BLK_DEV_RBD is not set
or
/boot# modprobe rbd modprobe: FATAL: Module rbd not found in directory /lib/modules/6.6.31+rpt-rpi-v8
Device (s)
Raspberry Pi 4 Mod. B
System
/boot# cat /etc/rpi-issue Raspberry Pi reference 2023-11-04 Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 8b2feb9380ee45e03cc4c5753dbf6ca7ea70bc6f, stage6
vcgencmd version May 24 2024 15:30:04 Copyright (c) 2012 Broadcom version 4942b7633c0ff1af1ee95a51a33b56a9dae47529 (clean) (release) (start)
uname -a Linux k3sraspi0 6.6.31+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29) aarch64 GNU/Linux
Logs
No response
Additional context
No response
an old PR exists: https://github.com/dwrobel/kernel/pull/3/commits and discussed in https://github.com/raspberrypi/linux/pull/4461 but seems to be not merged
Hi, i have the same need. I looked into the documentation but couldn't find something related so: Is there a way to test the kernel with the this merge?
sudo rpi-update pulls/6226 is the way to test a pull request before (and after) it has been merged. However, once it has been merged, all future kernel builds will include it, so you could run sudo rpi-update rpi-6.6.y to get the current 6.6 build, or after a few days, just sudo rpi-update.
There's a list of all rpi-update firmwares here: https://github.com/raspberrypi/rpi-firmware/commits/master Anything after (chronologically, before when reading down the page) the 6.6.34 release contains the RBD module.
Thank you for the explaination pelwell, i can confirm that the rbd module works. My Proxmox is now able to work with ceph disks and to use the rbd kernel module.
Has this been included in future versions now? Since the issue is still open.
We normally leave it to the opener to close issues, but that doesn't always happen.