Hi,

Just did some tests with the suggestions;

class oracle_t {
  include  oracle_t::install
  include  oracle_t::sysctl
}
class oracle_t::install {
  package { 'oracle-rdbms-server-11gR2-preinstall':
    ensure => present,
  }
}
class oracle_t::sysctl {
  sysctl { 'kernel.shmall':
    ensure  => present,
    value   => '1073741820',
    require => Package['oracle-rdbms-server-11gR2-preinstall'],
  }
  sysctl { 'kernel.sem':
    ensure  => present,
    value   => '250 32000 100 129',
    require => Package['oracle-rdbms-server-11gR2-preinstall'],
  }
  exec { 'Preserve intermediate sysctl.conf':
    command => '/bin/cp -pf /etc/sysctl.conf /tmp/sysctl.conf.intermediate',
    require => Package['oracle-rdbms-server-11gR2-preinstall'],
  } -> Sysctl<||>
}

Before; /etc/sysctl.conf 
-rw-r--r--. 1 root root 1327 Jul 25 10:07 /etc/sysctl.conf

kernel.core_uses_pid = 1
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.shmall = 4294967296
kernel.shmmax = 68719476736
kernel.sysrq = 1
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_forward = 0
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.disable_ipv6 = 1

Puppet run;
Info: Applying configuration version '1406274607'
Notice: 
/Stage[main]/Oracle_t::Install/Package[oracle-rdbms-server-11gR2-preinstall]/ensure:
 
created
Notice: /Stage[main]/Oracle_t::Sysctl/Exec[Preserve intermediate 
sysctl.conf]/returns: executed successfully
Notice: /Stage[main]/Oracle_t::Sysctl/Sysctl[kernel.shmall]/value: changed 
configuration value from '1073741824' to '1073741820' and live value from 
'1073741824' to '1073741820'
Notice: /Stage[main]/Oracle_t::Sysctl/Sysctl[kernel.sem]/value: changed 
configuration value from '250 32000 100 128' to '250 32000 100 129' and 
live value from '250    32000   100     128' to '250 32000 100 129'
Notice: Finished catalog run in 58.47 seconds

Diff;
diff /etc/sysctl.conf /tmp/sysctl.conf.intermediate
48c48
< kernel.sem = 250 32000 100 129
---
> kernel.sem = 250 32000 100 128
55c55
< kernel.shmall = 1073741820
---
> kernel.shmall = 1073741824

After; /etc/sysctl.conf
-rw-r--r--. 1 root root 2679 Jul 25 10:11 /etc/sysctl.conf

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.core_uses_pid = 1
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.sem = 250 32000 100 129
kernel.shmall = 1073741820
kernel.shmmax = 4398046511104
kernel.shmmni = 4096
kernel.sysrq = 1
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_forward = 0
net.ipv4.ip_local_port_range = 9000 65500
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.disable_ipv6 = 1

So 'suddenly' this works by adding the exec resource with dependencies to 
all sysctl resources.

Removing the exec resource and changing the package resource to the 
following
package { 'oracle-rdbms-server-11gR2-preinstall':
  ensure => present,
}-> Sysctl<||>

also works.

Before; /etc/sysctl.conf 
-rw-r--r--. 1 root root 1327 Jul 25 10:11 /etc/sysctl.conf

kernel.core_uses_pid = 1
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.shmall = 4294967296
kernel.shmmax = 68719476736
kernel.sysrq = 1
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_forward = 0
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.disable_ipv6 = 1

Puppet run;
Info: Applying configuration version '1406274883'
Notice: 
/Stage[main]/Oracle_t::Install/Package[oracle-rdbms-server-11gR2-preinstall]/ensure:
 
created
Notice: /Stage[main]/Oracle_t::Sysctl/Sysctl[kernel.shmall]/value: changed 
configuration value from '1073741824' to '1073741820' and live value from 
'1073741824' to '1073741820'
Notice: /Stage[main]/Oracle_t::Sysctl/Sysctl[kernel.sem]/value: changed 
configuration value from '250 32000 100 128' to '250 32000 100 129' and 
live value from '250    32000   100     128' to '250 32000 100 129'
Notice: Finished catalog run in 63.95 seconds

After; /etc/sysctl.conf
-rw-r--r--. 1 root root 2679 Jul 25 10:19 /etc/sysctl.conf

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.core_uses_pid = 1
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.sem = 250 32000 100 129
kernel.shmall = 1073741820
kernel.shmmax = 4398046511104
kernel.shmmni = 4096
kernel.sysrq = 1
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_forward = 0
net.ipv4.ip_local_port_range = 9000 65500
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.disable_ipv6 = 1

I still don't understand why it works now :(

Stefan

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