Re: raidframe on a removable volume

[Steven Bellovin <smb%cs.columbia.edu@localhost>]

On Jan 3, 2010, at 11:03 AM, Greg Troxel wrote:

> 
>  If I have raidframe on hardwired drives, the kernel autoconfigures
>  them at boot-time.  Suppose, though, that I have a raidframe drive
>  connected via USB.  When I plug it in and do 'disklabel sd0', I see
>  that sd0a and sd0e are of type RAID, which is correct.  I do not have
>  easy access to the original raid?.conf files, though I could probably
>  retrieve them if I needed to, but in theory that shouldn't be
>  necessary -- if the kernel can autoconfigure the drives, why can't
>  user-level?
> 
> If the drive is plugged in at boot, is it autoconfigured?

Yes, but that ran into the same root drive confusion.
> 
> It seems like raidctl needs an option to tell the kernel to rerun the
> autoconf scan.
> 
Yah.

                --Steve Bellovin, http://www.cs.columbia.edu/~smb