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Conference ssdevo::hsz40_product

Title:	HSZ40 Product Conference

Moderator:	SSDEVO::EDMONDS

Created:	Mon Apr 11 1994
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	902
Total number of notes:	3319

767.0. "Splitting dual reduntant HSZ40's" by MEOC02::BELLOMARINO (Is it 4:30 pm already.....Bummer!!) Tue Feb 11 1997 17:14

    A customer of mine is in the process of converting his AS2100's from
    VMS to NT 3.51 - and as part of this they would like to split their
    dual HSZ40 to two non-reduntant HSZ40's, and has bought a BA350-MB
    to move the controller to.
    At the moment he has 2 x AS2100 connected to the HSZ40's, and the HSZ's
    are driving 4 disk shelves.
    My question - What is the bast way to split the controller.
    	What will happen when the separate shelves are powered on for
    the first time and cannot see the other controller?
    	Can I just take two of the disk shelves (from the dual reduntant
    mode) and connect to new single controller and still see the disk
    from VMS - without having to be initualized...
    
    I should make it clear that this splitting will not be done online
    and at the end of it both system will still be running VMS - the NT
    migration will happen at a later date...
    
    Thanks in advance
    Luigi

T.R	Title	User	Personal Name	Date	Lines
767.1	Set nofailover	SSDEVO::RMCLEAN		`Wed Feb 12 1997 09:05`	2
	Prior to splitting the systems you should do a CLI command to set nofailover. This will ensure that there are no problems when they are not together.