AWS parallelcluster documentation change

Service: parallelcluster · 2025-06-13 · Documentation low

File: parallelcluster/latest/ug/LoginNodes-v3.md

Summary

Updated descriptions for login node bootstrap scripts to clarify execution timing and parameters.

Security assessment

Routine documentation update with no security implications. Changes focus on operational clarity rather than security controls.

Diff

diff --git a/parallelcluster/latest/ug/LoginNodes-v3.md b/parallelcluster/latest/ug/LoginNodes-v3.md
index 7c8665f45..c653207e8 100644
--- a//parallelcluster/latest/ug/LoginNodes-v3.md
+++ b//parallelcluster/latest/ug/LoginNodes-v3.md
@@ -357 +357 @@ Specifies the file to use. The file path can start with `https://` or `s3://`.
-Specifies single script or a sequence of scripts to run on the [login nodes](./LoginNodes-v3.html) before any node deployment bootstrap action is started. For more information, see [Custom bootstrap actions](./custom-bootstrap-actions-v3.html).
+List of arguments to pass to the script.
@@ -374 +374 @@ List of arguments to pass to the single script.
-Specifies single script or a sequence of scripts to run on the [login nodes](./LoginNodes-v3.html) before any node deployment bootstrap action is started. For more information, see [Custom bootstrap actions](./custom-bootstrap-actions-v3.html).
+Specifies single script or a sequence of scripts to run on the [login nodes](./LoginNodes-v3.html) after the node bootstrap processes are complete. For more information, see [Custom bootstrap actions](./custom-bootstrap-actions-v3.html).
@@ -408 +408 @@ List of arguments to pass to the single script.
-Specifies single script or a sequence of scripts to run on the [login nodes](./LoginNodes-v3.html) before any node deployment bootstrap action is started. For more information, see [Custom bootstrap actions](./custom-bootstrap-actions-v3.html).
+Specifies single script or a sequence of scripts to run after the head node update is completed and the scheduler and shared storage are aligned with the latest cluster configuration changes. For more information, see [Custom bootstrap actions](./custom-bootstrap-actions-v3.html).