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fix(sap_hana_preconfigure): Update azure override readme #820

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Wabri merged 2 commits into from
Jul 23, 2024
Merged

fix(sap_hana_preconfigure): Update azure override readme #820

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fix(sap_hana_preconfigure): Update azure override readme
Wabri Jul 22, 2024
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fix(sap_hana_preconfigure): move comment on top of the task
Wabri Jul 23, 2024
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1 change: 1 addition & 0 deletions roles/sap_hana_preconfigure/README.md
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Expand Up @@ -420,6 +420,7 @@ The saptune solution to apply (SLES for SAP Applications).<br>
- _Default:_ `false`

On Azure, TCP timestamps, reuse and recycle should be disabled (SLES for SAP Applications).<br>
If the variable is set, an override file for saptune will be created (/etc/saptune/override/2382421) to set net.ipv4.tcp_timestamps and net.ipv4.tcp_tw_reuse to 0.<br>
Set this parameter to `true` on Azure.<br>

<!-- END: Role Input Parameters for sap_hana_preconfigure -->
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21 changes: 0 additions & 21 deletions roles/sap_hana_preconfigure/tasks/SLES/assert-configuration.yml
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Expand Up @@ -39,24 +39,3 @@
fail_msg: "FAIL: the configured saptune solution is '{{ __sap_hana_preconfigure_saptune_configured_solution
}}'' and does not match the expected solution '{{ sap_hana_preconfigure_saptune_solution }}'"
success_msg: "PASS: the configured saptune solution matches the expected solution '{{ sap_hana_preconfigure_saptune_solution }}'"

# If this is a cluster node on Azure, we need to override to disable tcp timestamps, reuse and recycle.
# This can be done by copying the sapnote file 2382421 from /usr/share/saptune/notes to /etc/saptune/override
# The value can then override in the in the new file

# - name: Disable TCP timestamps, recycle & reuse
# ansible.builtin.blockinfile:
# path: /etc/saptune/override/2382421
# create: yes
# backup: yes
# owner: root
# group: root
# mode: '0640'
# marker: "<!-- {mark} ANSIBLE MANAGED BLOCK -->"
# block: |
# [sysctl]
# net.ipv4.tcp_timestamps = 0
# net.ipv4.tcp_tw_reuse = 0
# net.ipv4.tcp_tw_recycle = 0
# when:
# - sap_hana_preconfigure_saptune_azure
2 changes: 1 addition & 1 deletion roles/sap_hana_preconfigure/tasks/SLES/configuration.yml
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Expand Up @@ -92,6 +92,7 @@
# If this is a cluster node on Azure, we need to override to disable tcp timestamps, reuse and recycle.
# This can be done by copying the sapnote file 2382421 from /usr/share/saptune/notes to /etc/saptune/override
# The value can then override in the in the new file
# net.ipv4.tcp_tw_recycle = 0 was removed as it is not relevant for SLES 15+

- name: Disable TCP timestamps, recycle & reuse
ansible.builtin.blockinfile:
Expand All @@ -106,7 +107,6 @@
[sysctl]
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_tw_recycle = 0
when:
- sap_hana_preconfigure_saptune_azure

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