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ted_chou12

03-24-2011 11:35 PM

reverse mount -o bind /a /b

Hi, sorry for the frequent posting, I have another question regarding linking and mapping dir, after i mounted -o bind /a /b

Code:

mount -o bind /a /b

now /b appears to be /a, how do i reverse this action?
I had a look at umount:

Code:

umount /b

but this didn't work, the directory /b still looks like /a. is there any flag or what supposed to be added?
Thanks.
Ted

RockDoctor

03-25-2011 05:29 AM

Not sure why it doesn't work (assuming you tried to do the umount as root and your working directory wasn't /b or a subdirectory thereof). I have a little script that does a bind-mount before I do a chroot, and I undo the mountings using the syntax you've used above.

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