Ownership of /dev/sdd* keeps changing back to root:root

[Grahambo2005]

Hi All

I'm having an issue trying to install a piece of Oracle Software.... namely 11gR2 Grid Inf.

basically what I need to do is give the oracle user (linux user) ownership of:
/dev/sdd

and the partitions I created for it:
/dev/sdd1
/dev/sdd2
/dev/sdd3
/dev/sdd4

So I run as root:
/dev# chown oracle:dba sdd1 sdd2 sdd3 sdd4 sdd

I verify ownership has changed and then run the Grid Configuration tool.
But the ownership of the /dev/sdd disk and its partitions all revert back to root after a period of time.

I need to permanently need to have the device ownership as oracle:dba

Is there any way to fix this?

Thanks
G.

[hazel]

With modern kernels, devices are not permanent. udev creates them each time you boot. You need to create a udev rule to set the permissions you require for this device. You might find this link useful.

[rcgreen]

Why couldn't your user just own the mount points
where the partitions are mounted?