AWS Security ChangesHomeSearch

AWS parallelcluster documentation change

Service: parallelcluster · 2025-06-25 · Documentation low

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

Summary

Added note about subnet CIDR block requirements for compute resources during cluster creation

Security assessment

Operational guidance about subnet constraints without explicit security context or vulnerability mitigation.

Diff

diff --git a/parallelcluster/latest/ug/Scheduling-v3.md b/parallelcluster/latest/ug/Scheduling-v3.md
index f7c0045fc..f6421d104 100644
--- a//parallelcluster/latest/ug/Scheduling-v3.md
+++ b//parallelcluster/latest/ug/Scheduling-v3.md
@@ -1032 +1032,6 @@ To troubleshoot custom AMI validation warnings, see [Troubleshooting custom AMI
-Cluster size may change during an update. For more information, see [Cluster capacity size and update](./slurm-workload-manager-v3.html)
+  * Cluster size may change during an update. For more information, see [Cluster capacity size and update](./slurm-workload-manager-v3.html).
+
+  * New compute resources can be added to the cluster only if they are deployed in subnets that belong to CIDR blocks that exist when the cluster is created.
+
+
+