> > As for SCSI disks and Power supplies, Linux supports hot swap. Check out
> > Dell servers for example.
>
> Linux doesn't need to do anything to allow that, only the hardware needs
> to. It's kept away from the kernel by the RAID controller (in the case of
> disks) or just not noticed in the PS department.
This is true, however, Linux also, to some extent, support generic SCSI
hotswap when the controller will handle it.
Jon