From 8cc2be1c92146b384fc8a37bfdc4a0b656047ee5 Mon Sep 17 00:00:00 2001
From: sp16743 <sp16743@netapp.com>
Date: Mon, 28 Sep 2026 15:03:29 +0530
Subject: [PATCH] CSTACKEX-325: Validate storage capacity before creating
 volume

---
 .../main/java/com/cloud/storage/VolumeApiServiceImpl.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/server/src/main/java/com/cloud/storage/VolumeApiServiceImpl.java b/server/src/main/java/com/cloud/storage/VolumeApiServiceImpl.java
index 1001ba5d5caf..2da65567e845 100644
--- a/server/src/main/java/com/cloud/storage/VolumeApiServiceImpl.java
+++ b/server/src/main/java/com/cloud/storage/VolumeApiServiceImpl.java
@@ -1127,6 +1127,11 @@ private VolumeVO createVolumeOnStoragePool(Long volumeId, Long storageId) throws
             throw new InvalidParameterValueException(String.format("Disk offering: %s is not compatible with the storage pool", diskOffering.getUuid()));
         }
 
+        if (!storageMgr.storagePoolHasEnoughSpace(volume.getSize(), storagePool)) {
+            throw new InvalidParameterValueException(String.format("Storage pool %s does not have enough space to create volume %s.",
+                    storagePool.getName(), volume.getUuid()));
+        }
+
         DataStore dataStore = dataStoreMgr.getDataStore(storageId, DataStoreRole.Primary);
         VolumeInfo volumeInfo = volFactory.getVolume(volumeId, dataStore);
         AsyncCallFuture<VolumeApiResult> createVolumeFuture = volService.createVolumeAsync(volumeInfo, dataStore);