--- /etc/udev/rules.d/60-persistent-storage.rules.orig	2008-04-11 14:21:34.000000000 +0200
+++ /etc/udev/rules.d/60-persistent-storage.rules	2008-07-23 16:44:44.000000000 +0200
@@ -23,6 +23,9 @@ ENV{DEVTYPE}!="?*", ATTR{start}=="?*", E
 # for partitions import parent information
 ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"
 
+# ignore partitions on RAID volumes
+ENV{DEVTYPE}=="partition", ENV{ID_FS_USAGE}=="raid", OPTIONS+="ignore_device", GOTO="persistent_storage_end"
+
 # by-id (hardware serial number)
 KERNEL=="hd*[!0-9]", IMPORT{program}="ata_id --export $tempnode"
 KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"