Can ASMLib and udev disks co-exist

Grid version:11.2.0.3
OS : RHEL 5.8
Currently we use ASMLib to stamp our LUNs. We want to start using udev for the device persistancy in our RAC Nodes.
Can disks labelled using ASMLib and disks named by udev co-exist in a single disk group ?

I don't see why you can't mix udev and ASMlib defined devices, just set your asm_diskstring accordingly. In this example, I'm mixing ASMlib and NFS devices and it works no problem:
SQL>
SQL> sho parameter asm_d
NAME                                 TYPE        VALUE
asm_diskgroups                       string      ACFSV1, ACFSV2
asm_diskstring                       string      ORCL:*, /u01/nfs_shares/asm/ir
                                                 on*
SQL> select path from v$asm_disk;
PATH
/dev/oracleasm/disks/LUN5
/dev/oracleasm/disks/LUN4
/dev/oracleasm/disks/LUN3
/dev/oracleasm/disks/LUN2
ORCL:LUN5
/dev/oracleasm/disks/LUN1
/u01/nfs_shares/asm/irond5
ORCL:LUN1
ORCL:LUN2
ORCL:LUN3
ORCL:LUN4
/u01/nfs_shares/asm/irond3
/u01/nfs_shares/asm/irond2
/u01/nfs_shares/asm/irond4
/u01/nfs_shares/asm/irond1
/u01/nfs_shares/asm/irond6
16 rows selected.
SQL>

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