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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

6487.0. "Concepts of RAID technology (shadowing)" by KDX200::COOPER (There is no TRY - DO or DO NOT!) Tue Mar 18 1997 09:15

    Quite a while ago (maybe four years ago) there was a white paper I read
    on RAID technologies and specifically, host-based shadowing.  Even more
    specifically, there was quite a discussion about how shadow copying
    worked.
    
    Now, I've got a customer who wants to see this whitepaper, but I can't
    find it anywhere.  Can someone post a pointer to where "concepts"
    papers might be kept??
    
    The whole conversation started with the customer saying "How long does
    it take for mirror/shadow sets to copy?".  After an hour of trying to
    explain that there are zillions of factors that contribute, I thought
    that this whitepaper might help them to understand DIGITAL's lack of a
    single answer.  Can someone help??

T.R	Title	User	Personal Name	Date	Lines
6487.1	subsys::public:[astro]white.doc/ps	JGODCL::BRINKS	Peter Brinks, DTN 7889-9458 Logist. Eng/Tr Nijmegen	`Wed Mar 19 1997 07:57`	2
	I saw a document white.doc or white.ps on subsys::
6487.2		KDX200::COOPER	There is no TRY - DO or DO NOT!	`Wed Mar 19 1997 10:00`	1
	Thanks, that may do the trick!