sureshanaparti commented on a change in pull request #4304:
URL: https://github.com/apache/cloudstack/pull/4304#discussion_r579090404
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File path: server/src/main/java/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java
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@@ -358,9 +363,33 @@ public VMSnapshot allocVMSnapshot(Long vmId, String
vsDisplayName, String vsDesc
throw new InvalidParameterValueException("Can not snapshot memory
when VM is not in Running state");
}
+ List<VolumeVO> rootVolumes =
_volumeDao.findReadyRootVolumesByInstance(userVmVo.getId());
+ if (rootVolumes == null || rootVolumes.isEmpty()) {
+ throw new CloudRuntimeException("Unable to find root volume for
the user vm:" + userVmVo.getUuid());
+ }
+
+ VolumeVO rootVolume = rootVolumes.get(0);
+ StoragePoolVO rootVolumePool =
_storagePoolDao.findById(rootVolume.getPoolId());
+ if (rootVolumePool == null) {
+ throw new CloudRuntimeException("Unable to find root volume
storage pool for the user vm:" + userVmVo.getUuid());
+ }
+
// for KVM, only allow snapshot with memory when VM is in running state
- if (userVmVo.getHypervisorType() == HypervisorType.KVM &&
userVmVo.getState() == State.Running && !snapshotMemory) {
- throw new InvalidParameterValueException("KVM VM does not allow to
take a disk-only snapshot when VM is in running state");
+ if (userVmVo.getHypervisorType() == HypervisorType.KVM) {
+ if (rootVolumePool.getPoolType() !=
Storage.StoragePoolType.PowerFlex) {
+ if (userVmVo.getState() == State.Running && !snapshotMemory) {
+ throw new InvalidParameterValueException("KVM VM does not
allow to take a disk-only snapshot when VM is in running state");
+ }
+ } else {
+ if (snapshotMemory) {
+ throw new InvalidParameterValueException("Can not snapshot
memory for PowerFlex storage pool");
+ }
+
+ // All volumes should be on the same PowerFlex storage pool
for VM Snapshot
+ if (!isVolumesOfUserVmOnSameStoragePool(userVmVo.getId(),
rootVolumePool.getId())) {
Review comment:
The check here does't allow to create a VMSnapshot object when all the
volumes are not on the PowerFlex/ScaleIO pool.
ScaleIOVMSnapshotStrategy.canHandle() re-confirms and allows the VM Snapshot
operations that are supported by ScaleIOVMSnapshotStrategy.
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