SOLVED - Re: Moving/merging a filesystem back into /

Charles Marcus CMarcus at
Sun Dec 8 12:50:39 MST 2013

On 2013-12-08 2:11 PM, Charles Marcus <CMarcus at> wrote:
> Why, after rsync'ing /usr to /tmp-usr, do the sizes differ?
>  # du -h --max-depth=0 /usr
> 3.5G    /usr
> and
>  # du -h --max-depth=0 /tmp-usr
> 3.7G    /tmp-usr
> Is that because of the different filesystems (ext4 on / and reiserfs 
> on /usr) maybe?
> Is there a simple way to get the total # of files and directories for 
> comparison, like you can in Windows when getting properties of a folder?

Still curious about this, but I went ahead and pulled the trigger 
anyway, and it was about as uneventful as it gets...

Took all of 6 minutes (and almost all of that was rsyncing /usr)...

Made a gentoo forum post in case anyone else wants to do this and may be 
a little hesitant like I was...

Thanks to all who patiently answered my questions...

I now have /usr merged back into / and no longer have to choose between 
using an intramfs (which I vehemently did not want to do) and updating 
my system without fear of breakage.


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