IZ67445: 64K PAGING TAKING PLACE WHEN AVAILABLE SYSTEM RAM EXISTS APPLIES TO AIX 5300-08

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• When using 64k pages there may be paging space page
  outs of 64k pages even when VMM tuning indicates it
  should
  not be happening and AVM << real memory. This will
  normally
  occur when the demand for 64k and 4k pages is
  fluctuating.
  

Local fix

Problem summary

• The customer will see 64K paging even though there are
  considerable 4K pages in memory.
  

Problem conclusion

• The psmd algorithm is changed to be more aggressive in
  coalescing pages.
  

Temporary fix

Comments

• 5300-08 - use AIX APAR IZ67445
  5300-09 - use AIX APAR IZ73864
  5300-10 - use AIX APAR IZ73754
  5300-11 - use AIX APAR IZ73687
  5300-12 - use AIX APAR IZ71460
  6100-01 - use AIX APAR IZ71987
  6100-02 - use AIX APAR IZ71850
  6100-03 - use AIX APAR IZ72031
  6100-05 - use AIX APAR IZ71603
  6100-04 - use AIX APAR IZ71191
  6100-05 - use AIX APAR IZ71603
  6100-06 - use AIX APAR IZ72650
  7100-00 - use AIX APAR IZ84452
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  IZ68083 IZ71191 IZ71460 IZ71603 IZ71850 IZ71987 IZ72031 IZ72650
  IZ73687 IZ73754 IZ73864 U836022 IZ84452

Fix information

• Fixed component name

  AIX 5.3

• Fixed component ID

  5765G0300

Applicable component levels

• R530 PSY U836022

     UP10/05/18 I 1000