I have taken a system with raid setup and working on a RH 5.2 system and tried to upgrade to RH 6.0.  This seems to be causing major problems.  If I use the new mkraid --upgrade /dev/md0 command I get the following error:
 
mkraid --upgrade /dev/md1
handling MD device /dev/md1
analyzing super-block
invalid chunk-size (0kB)
mkraid: aborted
 
 
This using my origional /etc/raidtab file that I setup  with 5.2 
 
I can specify a chunk-size and it will run the mkraid upgrade but will still not allow me to do anything with it.   Does anyone have any ideas as to the best way to upgrade without losing data??
 
 
Thanks for the help,
SB

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