Monday, April 13, 2015

Year 2015 Mainframe z13

Its been long time I don't write a post in my blog . I came back to my blog after I found google result on  IBM Mainframe MCL which I need a quick info why customer need to update their MCL .

A recommendation PE as below

MCL Recommendations

  • Apply and activate MCLs AT LEAST once a quarter
  • Download MCLs to Removable Media (keep SUL media current)
  • Use AROM/SUL when MCL apply would be disruptive
  • If performing a POR/IML in the same window, wait until after all MCL activity is complete.
  • Combine MCL activity with other activity (MES/Service/Reconfiguration)

Advantages

  • Fewer unique LIC images to support
  • Shorter download and install/activate times
  • Reduced exposure to problems fixed in non-activated MCLs
  • Emergency fixes can be supplied more expeditiously
source from MCLTRS

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