BIOS say ''rebuild" but drive seems to keep being desynchronized

[Phillip Susi]

Adam Cécile wrote:
> Hello,
> 
> I set up a RAID1 array on a sunfire x2200 (nvidia raid controller), 
> running Debian Etch, dmraid version 1.0.0.rc13-2, kernel 2.6.18.
> I replaced one drive (testing purpose) and asked the controller to 
> rebuild the array with this drive (through the nvidia raid bios).
> 
> However, some days later, the BIOS controller still say "status: rebuild".

Did you let the bios finish resynchronizing before rebooting?  This 
should have taken a good while on the order of an hour.