Red Hat Bugzilla – Bug 431076
unable to make directories in union
Last modified: 2012-02-20 03:19:55 EST
I tried following the directions at:
I'm able to mount the unionfs and make some modifications, but a number of
things fail, notably mkdir.
I'm setting things up with:
# mkdir /mnt/test-base /mnt/test-overlay /mnt/test-union
# funionfs -o dirs=/mnt/test-base=RO:/mnt/test-overlay -o allow_other NONE
(I've also tried with the mount syntax, and gotten the same behavior). Perhaps
I'm missing something. If so, please enlighten me.
I can create a new file by writing to it:
# cd /mnt/test-union/
# echo hello >new_file
# cat new_file
but other things fail:
# mkdir /mnt/test-union/new_dir
mkdir: cannot create directory `/mnt/test-union/new_dir': No such file or directory
oddly enough, this also fails for an existing file (nomatter which underlying fs
it lives on):
# echo hello >/mnt/test-union/some_file
-bash: /mnt/test-union/some_file: File exists
It seems to be the O_TRUNC flag that causes the error.
# python -c 'import os; fd = os.open("new_file", os.O_CREAT|os.O_RDWR|os.O_TRUNC)'
Traceback (most recent call last):
File "<string>", line 1, in <module>
# python -c 'import os; fd = os.open("new_file", os.O_CREAT|os.O_RDWR)'
Adding myself to cc as i can't find any union filesystem working in f9 at the
moment and i badly need one..
Stephan - I haven't tried with f9 yet, but I was able to apply the unionfs patch
(non-FUSE) to the f8 kernel and get things working.
Stephan, could you try to use unionfs-fuse? Like funionfs it is fuse based, but very actively
maintained. If you ever have problem with it, please report to the mailing list.
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I'm experiencing this problem on Fedora 14.
(In reply to comment #6)
> I'm experiencing this problem on Fedora 14.
me as well!
F17 has the same problem with no alternatives in sight