Github user koushik-das commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1722#discussion_r91252945 --- Diff: engine/storage/snapshot/src/org/apache/cloudstack/storage/snapshot/XenserverSnapshotStrategy.java --- @@ -260,11 +260,15 @@ public boolean deleteSnapshot(Long snapshotId) { boolean result = deleteSnapshotChain(snapshotOnImage); obj.processEvent(Snapshot.Event.OperationSucceeded); if (result) { - //snapshot is deleted on backup storage, need to delete it on primary storage - SnapshotDataStoreVO snapshotOnPrimary = snapshotStoreDao.findBySnapshot(snapshotId, DataStoreRole.Primary); - if (snapshotOnPrimary != null) { - snapshotOnPrimary.setState(State.Destroyed); - snapshotStoreDao.update(snapshotOnPrimary.getId(), snapshotOnPrimary); + SnapshotInfo snapshotOnPrimary = snapshotDataFactory.getSnapshot(snapshotId, DataStoreRole.Primary); --- End diff -- What if snapshotOnPrimary is null (as per getSnapshot() it is possible)? If snapshot is not found on primary but DB entry exists, should it just be updated as 'Destroyed'?
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