Chris,
This technical article on the NetApp website has a good technical overview:
http://www.netapp.com/tech_library/3298.html
Cheers,
Steve
-----Original Message----- From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] Sent: Wednesday, March 17, 2004 9:41 AM To: Strange, Steve Cc: toasters@mathworks.com Subject: Re: RAID4 Catch-22
Steve Strange writes: [...]
Data ONTAP 6.5 features RAID-DP, or RAID double parity, which makes
this
problem disappear. The RAID group would then have double redundancy, and could handle a media failure during the reconstruct of a single
disk
without data loss or downtime.
Can anyone elaborate on how this works, in detail?
Chris Thompson Email: cet1@cam.ac.uk