Existing users, 
I have 4 internal hard drives and am running 3 of them in apples software RAID. I could not install the firmware from OS on the RAID disks (Tried 4 or 5 times). I was able to do it on the first try on my single drive. This was the same case for the EFI Firmware.
Has anyone using RAID been able to install this firmware??
Apple Mac Pro SMC Firmware
for Mac Pro to adjust fan behavior
Version: 1.1
RAID not supported
Feedback Type: Usage Tip
Contributed by: chosenlink Tuesday, September 19 2006 @ 11:38 PM PDT
Product Platform: MacOSX
Used Product For: Less than a month
Comments
RAID not supported - Daniel Chow
i have a macpro with 4 drives -- on set up as stripe and the other mirror. boot drive is stripe, mirror is the backup. the firmware installation went through without complications. perhaps it's something else other than what you're suspecting.Wednesday, August 08 2007 @ 02:29 PM PDT
No problems with RAID here... - joew4
The update installed perfectly on my 4 disk RAID Array.Joe
Sunday, August 12 2007 @ 07:53 AM PDT
RAID not supported - pfeester
Hi,Is your OSX system installed on the RAID, or is it just for data storage?
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Wednesday, September 20 2006 @ 08:22 AM PDT