[enterprise-4.16] OSDOCS-4486: add Azure AZ warning in MAPI compute spec #89769

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Merged

Mar 6, 2025

modules/machineset-yaml-azure.adoc

-Original file line number
+Diff line change
@@ Expand Up / @@ -155,7 +155,15 @@ endif::infra[] @@
     <5> Specify an image that is compatible with your instance type. The Hyper-V generation V2 images created by the installation program have a `-gen2` suffix, while V1 images have the same name without the suffix.
     <6> Specify the region to place machines on.
     <7> Optional: Specify custom tags in your machine set. Provide the tag name in `<custom_tag_name>` field and the corresponding tag value in `<custom_tag_value>` field.
-    <8> Specify the zone within your region to place machines on. Be sure that your region supports the zone that you specify.
+    <8> Specify the zone within your region to place machines on.
+    Ensure that your region supports the zone that you specify.
+    +
+    [IMPORTANT]
+    ====
+    If your region supports availability zones, you must specify the zone.
+    Specifying the zone avoids volume node affinity failure when a pod requires a persistent volume attachment.
+    To do this, you can create a compute machine set for each zone in the same region.
+    ====
     ifdef::infra[]
     <9> Specify a taint to prevent user workloads from being scheduled on infra nodes.
     +
@@ Expand Down @@

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