Re: lvm ownership of special access node

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Lars Ellenberg a écrit :
On Sat, May 02, 2009 at 02:00:20PM -0300, sebastian muniz wrote:
Hello list.
First post. Sorry if this has already been discussed. I have search a while with no luck.
I need to mount a home directory for a user from a lvolume.
For instance, I created
 ACTIVE            '/dev/vg1/sebahome' [5.00 GB] inherit

and need it mounted on /home/seba
However, when I mount it on /home/seba permissions get root:root

orion:~# ls -ld /home/seba
drwxr-xr-x 4 root root 4096 2009-05-02 02:34 /home/seba

I think that

seba@orion:~$ ls -la /dev/vg1/sebahome
lrwxrwxrwx 1 root root 24 2009-05-02 04:25 /dev/vg1/sebahome -> /dev/mapper/vg1-sebahome
seba@orion:~$ ls -la /dev/mapper/vg1-sebahome
brw-rw---- 1 root disk 254, 3 2009-05-02 04:25 /dev/mapper/vg1-sebahome

is the reason.
Is there any way to create the special access node with other owner:group
like the
vxassist --user --group in veritas?
Or is there any mount option I am now aware of?

mount /dev/vg1/sebahome /home/seba
chown owner:group /home/seba

should do the trick ;-)

once a file system gets mounted,
the ownership of its "/" overrides the ownership of the mount point.

	Lars

Hi !
It is good practice to give root only access to the mount point BEFORe it is mounted and user's full ownership of the mounted filesystem. This way, if the file system is not mounted for any reason, the user won't be allowed to create any file under the mount point and you'll know becaus he WILL complain....
Hope this helps.

--
If the only tool you have is a hammer, you tend to see every problem as a nail.
                Abraham Maslow
A British variant :
Any tool can serve as a hammer but a screwdriver makes the best chisel.

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