GEOM_RAID in GENERIC is harmful

John Baldwin jhb at freebsd.org
Thu Sep 13 15:45:23 UTC 2012


On Thursday, September 13, 2012 6:13:51 am Eugene M. Zheganin wrote:
>  From my point of view GEOM_RAID in GENERIC kernel is a bomb, and we 
> will lose lots of FreeBSD beginners due to this.

I had the completely opposite experience.  I bought a new desktop and wanted 
to use the onboard SATA RAID.  9.0 didn't work out-of-the-box with a RAID-1 
volume configured using the BIOS.  I knew to kldload geom_raid.ko, but not all 
new users know to do that.  I think the onboard SATA RAID on typical x86 
motherboards is something we should be supporting out of the box.  I don't 
disagree that there were some surprising side effects from enabling GEOM_RAID, 
but I think your viewpoint is very much one-sided.

-- 
John Baldwin


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