AIO workaround AIX 5.3 to AIX 7.1

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7.1, aix, aix 5, aix 5.3

 
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Old 09-15-2018
AIO workaround AIX 5.3 to AIX 7.1

Hello Folks,

Facing a problem starting Apache Services on AIX 7.1

This is the error i'm getting
Code:
/oraapp/prodora/iAS/Apache/Apache/bin/apachectl start: httpd started

Syntax error on line 17 of /oraapp/prodora/iAS/Apache/modplsql/cfg/plsql_pls.conf:

Cannot load /oraapp/prodora/iAS/Apache/modplsql/bin/modplsql.so into server:    0509-130 Symbol resolution failed for /oraapp/prodora/iAS/lib/libclntsh.a(shr.o) because:

        0509-136   Symbol pw_post (number 263) is not exported from

                   dependent module /unix.

        0509-136   Symbol pw_wait (number 264) is not exported from

                   dependent module /unix.

        0509-136   Symbol pw_config (number 265) is not exported from

                   dependent module /unix.

        0509-136   Symbol aix_ora_pw_version3_required (number 266) is not exported from

                   dependent module /unix.

        0509-022 Cannot load module /oraapp/prodora/iAS/Apache/modplsql/bin/modplsql.so.

        0509-026 System error: Cannot run a file that does not have a valid format.

        0509-192 Examine .loader section symbols with the

                 'dump -Tv' command.

/oraapp/prodora/iAS/Apache/Apache/bin/apachectl start: httpd could not be started


adapcctl.sh: exiting with status 3

Looking at Line 17
Code:
LoadModule plsql_module /oraapp/prodora/iAS/Apache/modplsql/bin/modplsql.so

*****************
Further
******************

Code:
applprod@clone:/oraapp/prodappl>cd $IAS_ORACLE_HOME/Apache/modplsql/bin
applprod@clone:/oraapp/prodora/iAS/Apache/modplsql/bin>ldd modplsql.so
modplsql.so needs:
         /oraapp/prodora/8.0.6/lib/libclntsh.a(shr.o)
         /usr/lib/libpthread.a(shr_xpg5.o)
         /usr/lib/libc.a(shr.o)
         /usr/lib/librtl.a(shr.o)
         /usr/lib/libc_r.a(shr.o)
         /usr/lib/libpthreads.a(shr_xpg5.o)
         /usr/lib/libc_r.a(aio.o)
         /unix
         /usr/lib/libpthreads.a(shr_comm.o)
         /usr/lib/libcrypt.a(shr.o)
applprod@clone:/oraapp/prodora/iAS/Apache/modplsql/bin>






AIO on AIX 7.1
Code:
root@clone:/> ioo -a | grep aio_active
                    aio_active = 1
              posix_aio_active = 0
root@clone:/>ioo -a
                    aio_active = 1
                   aio_maxreqs = 131072
                aio_maxservers = 30
                aio_minservers = 3
         aio_server_inactivity = 300
         j2_atimeUpdateSymlink = 0
 j2_dynamicBufferPreallocation = 16
             j2_inodeCacheSize = 200
           j2_maxPageReadAhead = 128
             j2_maxRandomWrite = 0
          j2_metadataCacheSize = 200
           j2_minPageReadAhead = 2
j2_nPagesPerWriteBehindCluster = 32
             j2_nRandomCluster = 0
               j2_recoveryMode = 1
                  j2_syncByVFS = 0
            j2_syncConcurrency = 4
            j2_syncDelayReport = 600
              j2_syncPageCount = 0
              j2_syncPageLimit = 16
                    lvm_bufcnt = 9
                    maxpgahead = 8
                    maxrandwrt = 0
                      numclust = 1
                     numfsbufs = 196
                     pd_npages = 4096
              posix_aio_active = 0
             posix_aio_maxreqs = 131072
          posix_aio_maxservers = 30
          posix_aio_minservers = 3
   posix_aio_server_inactivity = 300
             spec_accessupdate = 0


There is no issue on AIX 5.3 but starting from AIX 6.1 onwards, there is this problem.

Any work around ?

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