weizhouapache commented on code in PR #11198:
URL: https://github.com/apache/cloudstack/pull/11198#discussion_r2220524253


##########
plugins/storage/image/default/src/main/java/org/apache/cloudstack/storage/datastore/driver/CloudStackImageStoreDriverImpl.java:
##########
@@ -74,7 +76,14 @@ private String createObjectNameForExtractUrl(String 
installPath, ImageFormat for
         }
 
         if (format != null) {
-            objectNameInUrl = objectNameInUrl + "." + 
format.getFileExtension();
+            if (dataObject.getTO() != null
+                    && 
DataObjectType.VOLUME.equals(dataObject.getTO().getObjectType())
+                    && 
HypervisorType.KVM.equals(dataObject.getTO().getHypervisorType())) {
+                // Fix: The format of KVM volumes on image store is qcow2
+                objectNameInUrl = objectNameInUrl + "." + 
ImageFormat.QCOW2.getFileExtension();

Review Comment:
   > @weizhouapache, I've checked, and you are right that install_path ends 
with .raw
   > ```
   > *************************** 1. row ***************************
   >                   id: 21
   >             store_id: 1
   >            volume_id: 680
   >              zone_id: 1
   >              created: 2025-07-18 10:23:19
   >         last_updated: NULL
   >               job_id: NULL
   >         download_pct: 100
   >                 size: 0
   >        physical_size: 0
   >       download_state: DOWNLOADED
   >             checksum: NULL
   >            error_str: NULL
   >           local_path: NULL
   >         install_path: 
volumes/2/680/873d67fc-df4c-41f1-891d-1f8202b0d17f.raw
   >                  url: NULL
   >         download_url: 
http://10.2.133.42/userdata/c0e1a78e-752e-44b5-ab70-89f47fec144f/ROOT-426.raw
   >                state: Ready
   >            destroyed: 0
   >         update_count: 2
   >              ref_cnt: 0
   >              updated: 2025-07-18 10:23:42
   > download_url_created: 2025-07-18 10:23:42
   > ```
   > 
   
   thanks @slavkap for checking !
   
   
   
   



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