From: arne@vajhoej.dk   
      
   On 11/11/2025 10:50 AM, Arne Vajhøj wrote:   
   > On 11/3/2025 8:31 AM, Simon Clubley wrote:   
   >> What are they moving to, and how are they satisfying the extremely high   
   >> constraints both on software and hardware availability, failure   
   >> detection,   
   >> and recovery that z/OS and its underlying hardware provides ?   
   >>   
   >> z/OS has a unique set of capabilities when it comes to the absolutely   
   >> critical this _MUST_ continue working or the country/company dies area.   
   >   
   > Note that even though z/OS and mainframes generally have a   
   > good track recording regarding availability, then it is not   
   > a magic solution - they can also have problems.   
   >   
   > Banks having mainframe problems are rare but far from   
   > unheard of.   
      
   And speaking of.   
      
   A lot of banking services were down Monday in Denmark.   
      
   Because a bank mainframe was down for 5 hours.   
      
   Both the company and the country survived.  :-)   
      
   As often is the case the root cause was simple and   
   stupid. A capacity management application took away   
   the resources needed to process transactions.   
      
   Arne   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)