[NTLUG:Discuss] what IS the fine line between RAID 0+1 and RAID10

[Stuart Johnston]

Richard Geoffrion wrote:
> So what fundamental piece of information am I missing that allows me to 
> understand why RAID-10 is different from RAID 0+1?  They both seem to 
> LOOK the same according to http://www.acnc.com/raid.html but yet the are 
> supposedly functionally different? 

The main practical difference is that RAID 0+1 can never survive loosing 
more than 1 disk at a time.  RAID 10 can loose up to half the disks, as 
long as they are not from the same RAID 1 set.

I think the wikipedia article explains it better:

http://en.wikipedia.org/wiki/RAID_10