GitHub user mbertolina created a discussion: Orphaned snapshots remain after 
deleting volumes in CLVM_NG primary storage

### problem

**Issue: Orphaned snapshots remain after deleting volumes in CLVM_NG primary 
storage**

I'm seeing an issue with CLVM_NG primary storage where snapshots persist for 
volumes that have already been deleted.

**Reproduction steps:**
1. Deploy a VM with a single root volume that has an associated volume snapshot.
2. Create a new volume from that snapshot.
3. Detach the root volume from the VM.
4. Attach the newly created volume to the VM.
5. Delete the original volume (the one with the associated snapshot).

**Observed behavior:**
The snapshot remains in the system, still linked to the deleted volume.

**Additional observations:**
- When deleting the volume, I can confirm that the LVM logical volumes (LVs) 
associated with both the root volume and its snapshot **are** deleted on the 
KVM hosts. So the underlying storage is cleaned up correctly.
- However, the snapshot entry is **not** removed from the database/GUI
- If I then manually delete the snapshot from the **"Volume Snapshot"** 
section, the operation reports success and the snapshot is no longer displayed 
in the GUI. This suggests the deletion works, but only when triggered 
explicitly against the snapshot record.

**Expected behavior:**
Deleting a volume should also remove (or orphan-clean) any snapshots associated 
with it, or at minimum the snapshot should no longer reference a non-existent 
volume.

### versions

ACS: 4.23
Primary storage: CLVM_NG
Hypervisor: Rhel9 KVM


GitHub link: https://github.com/apache/cloudstack/discussions/14437

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