RAID autodetect?

Benjamin Scott dragonhawk at iname.com
Sun Nov 27 02:35:01 EST 2005


On Nov 23 at 11:45pm, Paul Lussier wrote:
>> I have a system with a software RAID array, and I'm trying to have the
>> kernel autodetect during boot.
>
> Do you have a properly configured /etc/raidtab ?

   FWIW/FYI: with RAID autodetect, you don't need /etc/raidtab (or any other 
config file) to find your RAID arrays.  That's the point.  The kernel looks 
for the partition type "magic numbers" and assembles your RAID arrays "on the 
fly" during boot.  Otherwise, you'd need to pass complicated RAID parameters 
to the kernel at boot, or boot off a non-RAID device.

On Nov 24 at 7:21pm, Paul Lussier wrote:
> I think mkinitrd is a Linux thing, not distribution-specific.

   I believe it originated at Red Hat, and has since been adopted by several 
other distros (typically, with heavy modification).  The power of FOSS at 
work.

> If I'm wrong, I'm sure Ben will pipe up with a 3-4 page incredibly detailed 
> explanation of what I'm confusing ;)

   I'm thinking I should be feeling insulted, but can't quite figure out what 
to be insulted about.  ;-)

-- Ben "I resemble that remark" Scott



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