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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

766.0. "Hot install/addons of disks???" by MAASUP::MUDGETT (We Need Dinozord Power NOW!) Tue Feb 11 1997 19:18

    Greetings all,
    
    Is it supported, legal or whatever to install extra disks to a 
    working hsz? The documentation doesn't say not to do it but 
    it similarly doesn't say its okay. Several of us have opined
    that it should be okay but not on my production system. Any
    better opinions?
    
    Fred Mudgett
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766.1LEXSS1::GINGERRon GingerWed Feb 12 1997 10:096
    Related to this question, on older firmwqare (before 2.5 I think) the
    manual had described a procedue of pushing buttons and watching light
    patterns before hot-swapping a drive. I thought this had been changed
    and was not needed in new systems? Yesterday a field service engineer
    was instructing a customer with new hsz50s in the button pushing
    process. Is it necessary?
766.2I would still recommend pushing the buttonSSDEVO::RMCLEANWed Feb 12 1997 12:047
  Not absolutely necessary but it is a nice idea.  It gives the bus time to
shut down and prevent some strange possibility that we have an unrecoverable
bus error or hardware error.

  I.E.  The safest thing to do is push the button and wait till the HSx has
had time to stop all activity on the bus.  It will work with async removal but
it sure feels safer to ensure that the HSx has had time to cleanup all activity.
766.3MAASUP::MUDGETTWe Need Dinozord Power NOW!Fri Feb 14 1997 08:378
    Greetings,
    
    Does any of this mean you  or more correctly  I can add druives to an
    hsz hot? Whenever I've done anything with these devices there
    seems to be a plethoria of amber lites etc if you get anything wrong.
    I would prefer to avoid that if at all possiable. 
    
    Fred