Lost permission/ownership on ocr&voting device after reboot

Hi all
I have an issue on setting up a 10.2.0.3 crs+rac on OEL 5 64 bit.
My configuration is as follows:
- 2 node OEL 5 64 bit
- storage on netapp (FCP)
- 2 hba per node (qlogic driver qla2400)
- dm-multipath
I was able to install and upgrade the crs stack up to 10.2.0.3, binding multipath devices to raw devices (as requested by OUI).
After install, I changed OCR and voting to point to block devices, using "multipathed" devices /dev/mapper/crs_voting1p1 anc /dev/mapper/crs_ocr1p1.
All worked fine, until I decided to reboot the node.
The issue is that I was not able to set ownership/permission on /dev/mapper/crs* devices on reboot (as expected, they become root:disk 660, and oracle:dba can't read/write on them).
I tried to setup udev to change these, as I used when dealing with raw and block devices, but with no success.
Could anyone give me some tip?
Thanks in advance
Regards

Hi
correct syntax for binding raw devices is:
raw /dev/raw/raw1 /dev/mpath/mpath24.
I used the above syntax, binding raw to "mapper" devices.
Remember to create at least one partition and initialize it (with dd), and to assign correct permission/ownership on raw devices.
After the install phase, I changed bot voting and ocr device to point to block devices (/dev/mpath/....).
Hope this helps.
regards
--alessandro

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