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Conference ssag::ask_ssag

Title:Ask the Storage Architecture Group
Notice:Check out our web page at http://www-starch.shr.dec.com
Moderator:SSAG::TERZAN
Created:Wed Oct 15 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:6756
Total number of notes:25276

6363.0. "Raid Advisory Board Classification Program" by SOS6::BERNARD (Bernard Ourghanlian, Alpha Resource Center) Thu Jan 30 1997 09:24

    Apparently, the Raid Advisory Board (RAB) has dropped its previous RAID
    classification (RAID 0, 1, ...) and has replaced this classification
    with new concepts called : 
    
    	"FAILURE RESISTANT" 
    	"FAILURE TOLERANT"
    	"DISASTER TOLERANT"
     
    Apparently, the new EMC storage subsystems (Symmetrix ICDA and
    Symmetrix Remote Data Facility models) have obtained the highest
    level called DTDS+ (Disaster Tolerant Disk System Plus). 
    
    Do we intend to get this new RAB classification ?
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