Re: dmsquash-live-root + NFS?

[Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On 06/04/2010 03:35 AM, Scott Olsen wrote:
> First of all, many thanks for all the work on Dracut. We're moving our
> network clients over to Dracut from custom mkinitrd build environment,
> and wow, what an improvement.
>
> What we are looking to do is: the exact execution path of
> dmsquash-live (with an ext3fs.img inside of squashfs) and copy to
> live_ram but with the source of the image being a NFS mount instead of
> a block device.
>
> We hacked it to work, but I want to know the proper way to put this
> into the dracut framework/architecture.
>
> What we have now is:
>
> - inside cmdline/parse-dmsquash-live, we set netroot to be the nfs server
>
> - let everything proceed as normal
>
> - then at the end of /sbin/nfsroot we just call
> /sbin/dmsquash-live-root and everything works (after a few tweaks)
> since the NFS mount is already mounted on NEWROOT and live_dir points
> to the squashfs image.
>
> --
>
> Like I said, its up and working but is there a better way to implement
> this?  any architecture pointers would be greatly appreciated!!
>
> Is there any bad effect of having the udev rules created by
> dmsquash-live-genrules run along with the netroot/nfsroot code run?
>
> We had to disable the initqueue check_finished test in init because
> init would break after the retry limit saying no root device found
> (it's there but does not pass the test).  Is this a consequence of
> having both dmsquash-live and nfsroot?
>
>
> thanks
>
> Scott

Care to show your modifications, so I can get a better feeling what you are doing?