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Hi,
I'm trying to get OverlayFS working.
$ cd /tmp
$ mkdir lower upper merged
$ touch lower/file1 upper/file2
$ sudo mount -t overlayfs -o lowerdir=/tmp/lower,upperdir=/tmp/upper overlayfs /tmp/merged
mount: unknown filesystem type 'overlayfs'
$ uname -a
Linux jan-laptop 3.18.2-2-ARCH #1 SMP PREEMPT Fri Jan 9 07:37:51 CET 2015 x86_64 GNU/Linux
It should be available since Kernel 3.18, but unfortunately, it isn't.
Any hints?
Last edited by Holzhaus (2015-01-15 20:15:37)
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The module seems to be called overlay. Maybe so is the fs?
Try modprobing the module.
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Thanks, I got it working now.
I had to do this:
mkdir work
sudo mount -t overlay -o lowerdir=/tmp/lower,upperdir=/tmp/upper,workdir=/tmp/work overlay /tmp/merged
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overlayfs does not work for me too:
$ sudo mount -t overlay -o lowerdir=/tmp/lower,upperdir=/tmp/upper,workdir=/tmp/work overlay /tmp/merged
mount: unknown filesystem type 'overlay'
My kernel is:
$ uname -a
Linux naomint 4.3.3-2-ARCH #1 SMP PREEMPT Wed Dec 23 20:09:18 CET 2015 x86_64 GNU/Linux
And "lsmod | grep overlay" shows nothing.
Last edited by eungjun.yi (2016-01-21 03:30:35)
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Now it works. Rebooting and running `sudo modprobe overlay` fixes it for me.
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@eungjun.yi,
Glad you got it sorted out. In the future, please open a new thread for your issues instead of bumping old and especially, solved ones.
https://wiki.archlinux.org/index.php/Fo … bumping.22
Closing.
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