[Nix-dev] LVM troubles

[Lluís Batlle i Rossell]

On Fri, Apr 26, 2013 at 08:27:27AM +0200, Rickard Nilsson wrote:
> Den 2013-04-22 13:51:28 skrev Lluís Batlle i Rossell <viric at viric.name>:
> 
> >On Mon, Apr 22, 2013 at 12:04:58PM +0200, Rickard Nilsson wrote:
> >>Den 2013-04-22 08:26:25 skrev Lluís Batlle i Rossell <viric at viric.name>:
> >>>Well, old generations did work, didn't they?
> >>
> >>Yep, but it took me a while to find an old generation that
> >>worked. And when
> >>the system got up it was heavily out-of-date from before the reboot.
> >>Of course I could easily solve that with a "nixos-rebuild
> >>switch". Now I'm
> >>going to try to see what differs between the booted and the running
> >>version,
> >>with regards to initrd and kernel modules.
> >
> >Yes, please write to the list about details. :) Thank you!
> 
> The problem was this: I had changed some mountpoints from 'device =
> "LABEL=x"' to 'label = "x"'. The difference is that NixOS writes
> "/dev/disk/by-label/x" instead of "LABEL=x" into fstab. Somehow, all
> /dev/disk/by-label/-devices don't always seem to be in place in
> early boot, and it doesn't seem to help that NixOS waits for them.
> Some of the devices are mounted just fine, but not others. When I
> switched back to using "LABEL=" everything worked again.
> 
> So, it had nothing to do with LVM or RAID, and was not caused by
> changes in NixOS, but in my file system config.

Uhm, interesting. Thank you for posting the result of your analysis!