Re: Software Raid Autodetection Problem

On Friday September 12, darrylb@iprimus.com.au wrote:

Neil,

Thanks for the reply.

Software Raid is linked directly into the kernel and not a module.  I notice 
using make menuconfig on 2.4.21 there is no specific autodetect option as 
with earlier kernels, and presume this is no longer necessary.  All options 
under Multi-Device support are linked in, as is Reiserfs which I am using on 
the array.  dmesg shows that autodetection is taking place but it does not 
appear to find anything.  raidstart --all seems to bring it up, as do the 
initscripts if I reconfigure raidtools2.

Any suggestions welcome.

You are right that there is no longer a special config option for
autodetect.

Could I see a complete copy of dmesg output?

Is anything interesting in modules? ide driver? scsi driver?...

ByTheWay, I *strongly* recommend against using raidstart.  It is very
fragile and will quite possibly fail miserable if you have a failed
drive.
I use and recommend (and wrote) mdadm which is much more reliable at
starting arrays.
  http://www.kernel.org/pub/linux/utils/raid/mdadm/  (I think)

NeilBrown