The 5.1 kernel has been released

Posted May 6, 2019 5:51 UTC (Mon) by flussence (guest, #85566)
Parent article: The 5.1 kernel has been released

That device-mapper cmdline setup looks promising; I've long wanted something like that for Btrfs (no idea what the current situation is, but back when I tried it couldn't mount a multi-disk Btrfs on / without help from an initramfs).

The 5.1 kernel has been released

Posted May 6, 2019 6:24 UTC (Mon) by zdzichu (guest, #17118) [Link]

Btrfs driver in kernel need to know about all btrfs devices, in order to mount multi-device filesystem. Passing the information to the kernel is normally done by udev rules in initramfs.

If you want to do it manually, you can. You need to use rootflags= kernel command line parameter and put a series of device= keywords there, describing your multi-device btrfs setup. See https://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices#Registration_in_.2Fetc.2Ffstab for example.

The 5.1 kernel has been released

Posted May 6, 2019 8:52 UTC (Mon) by unixbhaskar (guest, #44758) [Link]

I do agree, the device-mapper kernel boot line looks exciting.