Re: RAID-7 - What is the data organization?

lindahl@deshaw.com (Greg Lindahl) writes: >In article <327A15D4.1DA5@dddv.com>, >Charles A. Dellacona <cdellaco@chester.dddv.com> wrote: >>In my reading RAID-7 appears occasionally. I am trying to figure out >>what it is, most of the internet info is very sales oriented. I want a >>little more depth. >RAID-7 is a marketing slogan, not a real raid level. >It is apparently like RAID-4 with some caches. >Given the obnoxious Usenet posting philosophy of the company that >sells RAID 7, I would advise not doing business with them. >Given your requirements (2 GB of data generated each week, store it >for a year), I would recommend that you pursue solutions which are >flexible, i.e. raid devices which allow you to have many separate 16 >gigabyte RAID volumes. Some RAID hardware (like the before-mentioned >RAID7 product) only allow you to have one volume. If you will be using >a database product on this device, it is also often a good idea to be >able to create a small mirrored set of disks to hold your transaction >logs. >-- g Hi Greg, we appreciate your enthusiasm for that particular RAID product you're involved with, but let's not get carried away with your "attack ads" -- even though it's November :-) The fact of the matter is that the May issue of Business Week reported that the RAID 7 company is the US' 4th fastest growing US publicly held company over the past three years, in terms of earnings. RAID 7 installations are heavily concentrated in bthe ig databases, whether Oracle, Sybase, or Informix. M Willett mwillett@storage.com Storage Computer Nashua, NH http://www.storage.com/oracle.html http://www.storage.com/sybase.html http://www.storage.com/informix.html