mdraid & dmraid, Fedora 11 & Fedora 13

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Please excuse me, for I am a bear of little brain ...

In the F13 release notes it says:

Important — Systems with Intel BIOS RAID sets
Fedora 13 uses mdraid instead of dmraid for installation onto Intel BIOS 
RAID sets. These sets are detected automatically, and devices with Intel 
ISW metadata are recognized as mdraid instead of dmraid. Note that the 
device node names of any such devices under mdraid are different from 
their device node names under dmraid. Therefore, special precautions are 
necessary when you migrate systems with Intel BIOS RAID sets from 
operating systems or versions of operating systems that use dmraid.
Local modifications to /etc/fstab, /etc/crypttab or other configuration 
files which refer to devices by their device node names will not work in 
Fedora 13. Before migrating these files, you must therefore edit them to 
replace device node paths with device UUIDs instead. You can find the 
UUIDs of devices with the blkid command.

I'm currently running F11 on a system w/ Intel BIOS RAID (1) [Lenovo 
ThinkPad W700]  and remember problems w/ the SW raid under F10, and more 
problems w/ SW raid when I upgraded to F11.

Unfortunately, the above warning is opaque to me. How can I tell if my 
F11 uses mdraid or dmraid? I used lvm to break my single raid partition 
into separate logical partitions and would dearly love to keep the data 
on the non-system logical partitions w/o restoring from backups, so I'm 
hoping that I don't need to jump through a lot of hoops to do so.

	Thanks,
		Joe
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