Hello,
Maybe it's time to step back and ask a more basic question.
What is it that you are trying to accomplish? I know that you are trying
to do a pivot_root. But *why* are you trying to do a pivot_root?
Why do you think you need to do it? What is the real-world problem
that you are trying to solve?
I want to go back into an initramfs setting so that only the running
kernel and one specific process remains. Goal is to be able to boot a
new system from there with a new hard drive (for example mounted via nfs
or some other way) withouth the need to reboot the entire kernel. The
whole thing is running within a xen domU atm. So the new hard disk could
be passed through via xend or mounted via nfs. And for cleanly
terminating the first system I need to unmount the root filesystem and
somehow replace the old init process with my specific process running in
that initramfs setting.
According to the pivot_root manpage, it should be possible to clear all
dependencies to the old root fs so that it can be unmounted after the
pivot_root command. And that's what not working for me.
K. Haselhorst
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