Re: why /sys cannot be copied?
- From: Johannes Wiedersich <johannes@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 11 Mar 2009 18:51:41 +0100
Star Liu wrote:
and i fount that the /sys in the broken system is a shell file, but
the /sys in the new system is a folder, so i tried to copy the sys
folder from new system to broken system, by cp /sys /root/OldRoot/sys,
but it says many files in the new sys folder cannot be read! why? how
could I resove the "mount: mounting /sys on /root/sys failed: Invalid
argument" problem?
also the "run-init: /sbin/init: No such file or directory" problem? thanks
[...]From wikipedia [1]:Sysfs is a virtual file system provided by Linux 2.6.
sysfs is an in-memory filesystem
/sys is a virtual filesystem that is created by the kernel on boot. It
is not a real file system on your hard disk. It seems obvious that your
broken system does not have a valid /sys since it did not manage to boot
properly. It should be automatically recreated, once your 'old' system
boots fine.
HTH,
Johannes
[1] http://en.wikipedia.org/wiki/Sysfs
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