Re: Your opinions about MIMIX

["Larry D. Bolhuis" <lbolhui@xxxxxxx>]

Rob Berendt wrote:
*snip*
> One of my major concerns about HSA products is how to implement them in
> an actual emergency.  Being able to use a system console as the only
> display device doesn't cut it anymore.  Having to reconfigure 700 LAN
> PC's is highly undesirable.  What do you do?  Shoot the SNA users?
> Just change the DNS for all of the TCP/IP users?  What if your downed
> AS/400 was your DNS?

 For the SNA users the systems will both have the same addressing so that they 
will lose their
sessions, but will come back up on the backup system as soon as the hadware 
switch is thrown (and
this should happen automatically.)
 The the TCP/IP users you can either change the DNS or you can switch to a 
backup DNS that as the
address of the backup system rather than the primary.  And if the 400 is the 
DNS you probably do
want to switch to a backup anyway because of the failure is bad enough to drob 
DB access chances are
good the DNS is or must go down anyway.
  
 Larry Bolhuis
 Arbor Soloutions, Inc
 lbolhui@ibm.net
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