Alexandre Oliva <lxol...@fsfla.org> writes: [...]
> Anyway, I guess it would make most sense to at least start building up > on existing practice. How does Guix currently bring up multi-device > root filesystems (btrfs, mdraid, ...), With BTRFS multi device activation is built in the Linux kernel AFAIU, so no need to "activate" it, just mount one of the devices of a multi-device BTRFS filesystem (using uuid id more resilient) I cannot help much with mdraid since I still had not the chance to study how device-mapper devices are activated; AFAIU the code is in (gnu system mapped-devices) > and any recursive combinations of mdraid, dmcrypt, etc? Recursive? Do you mean LUKS on mdraid on LUKS? Or mdraid on LUKS on mdraid? AFAIU this kind of *nesting* should be supported but maybe just a complication :-) raid-device-mapping and luks-device-mapping are a type of mapped-devices currently supported, you can combine them as you like to assemble a device to be used for your filesystems Filesystems can have dependencies on other filesystems or mapped-devices (see "dependencies" member of file-system) I hope this clarifies how Guix assemble its filesystems. [...] Happy Guix! Gio' -- Giovanni Biscuolo Xelera IT Infrastructures
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