/** {@inheritDoc} */
@Override
public void validateSnapshotCreateRequest(Volume requestedVolume, List<Volume> volumesToSnap) {
// For VMAX3 you cannot have active snap and full copy sessions,
// so verify there are no active full copies for the volume.
for (Volume volumeToSnap : volumesToSnap) {
// Check if the volume to snap is an active full copy.
if ((BlockFullCopyUtils.isVolumeFullCopy(volumeToSnap, _dbClient))
&& (!BlockFullCopyUtils.isFullCopyDetached(volumeToSnap, _dbClient))
&& (!BlockFullCopyUtils.isFullCopyInactive(volumeToSnap, _dbClient))) {
throw APIException.badRequests.noSnapshotsForVMAX3VolumeWithActiveFullCopy();
}
// Now check if the volume to be snapped is a full copy source
// that has active full copies.
StringSet fullCopyIds = volumeToSnap.getFullCopies();
if ((fullCopyIds != null) && (!fullCopyIds.isEmpty())) {
Iterator<String> fullCopyIdsIter = fullCopyIds.iterator();
while (fullCopyIdsIter.hasNext()) {
URI fullCopyURI = URI.create(fullCopyIdsIter.next());
Volume fullCopyVolume = _dbClient.queryObject(Volume.class, fullCopyURI);
if ((fullCopyVolume != null)
&& (!fullCopyVolume.getInactive())
&& (!BlockFullCopyUtils.isFullCopyDetached(fullCopyVolume, _dbClient))
&& (!BlockFullCopyUtils.isFullCopyInactive(fullCopyVolume, _dbClient))) {
throw APIException.badRequests.noSnapshotsForVMAX3VolumeWithActiveFullCopy();
}
}
}
}
}
/** {@inheritDoc} */
@Override
public void validateFullCopyCreateRequest(List<BlockObject> fcSourceObjList, int count) {
if (fcSourceObjList.size() > 0) {
URI fcSourceObjURI = fcSourceObjList.get(0).getId();
if (URIUtil.isType(fcSourceObjURI, BlockSnapshot.class)) {
// Currently you cannot create a full copy of a VPLEX snapshot.
throw APIException.badRequests.cantCreateFullCopyForVPlexSnapshot();
} else {
// Call super first.
super.validateFullCopyCreateRequest(fcSourceObjList, count);
// Platform specific checks.
for (BlockObject fcSourceObj : fcSourceObjList) {
Volume fcSourceVolume = (Volume) fcSourceObj;
StorageSystem system =
_dbClient.queryObject(StorageSystem.class, fcSourceVolume.getStorageController());
if (DiscoveredDataObject.Type.vplex.name().equals(system.getSystemType())) {
// If the volume is a VPLEX volume, then we need to be sure that
// storage pool of the source backend volume of the VPLEX volume,
// which is volume used to create the native full copy, supports
// full copy.
Volume srcBackendVolume =
VPlexUtil.getVPLEXBackendVolume(fcSourceVolume, true, _dbClient, true);
StoragePool storagePool =
_dbClient.queryObject(StoragePool.class, srcBackendVolume.getPool());
verifyFullCopySupportedForStoragePool(storagePool);
// If the full copy source is itself a full copy, it is not
// detached, and the native full copy i.e., the source side
// backend volume, is VNX, then creating a full copy of the
// volume will fail. As such, we prevent it.
if ((BlockFullCopyUtils.isVolumeFullCopy(fcSourceVolume, _dbClient))
&& (!BlockFullCopyUtils.isFullCopyDetached(fcSourceVolume, _dbClient))) {
URI backendSystemURI = srcBackendVolume.getStorageController();
StorageSystem backendSystem =
_dbClient.queryObject(StorageSystem.class, backendSystemURI);
if (DiscoveredDataObject.Type.vnxblock.name().equals(backendSystem.getSystemType())) {
throw APIException.badRequests.cantCreateFullCopyOfVPlexFullCopyUsingVNX();
}
}
}
}
}
}
}
/** {@inheritDoc} */
@Override
protected void verifyFullCopyRequestCount(BlockObject fcSourceObj, int count) {
// Verify the requested copy count. You can only
// have as many as is allowed by the source backend
// volume.
Volume fcSourceVolume = (Volume) fcSourceObj;
Volume srcBackendVolume =
VPlexUtil.getVPLEXBackendVolume(fcSourceVolume, true, _dbClient, true);
// Verify if the source backend volume supports full copy
URI systemURI = fcSourceObj.getStorageController();
StorageSystem system = _dbClient.queryObject(StorageSystem.class, systemURI);
int maxCount = Integer.MAX_VALUE;
if (system != null) {
maxCount = BlockFullCopyManager.getMaxFullCopiesForSystemType(system.getSystemType());
}
// If max count is 0, then the operation is not supported
if (maxCount == 0) {
throw APIException.badRequests.fullCopyNotSupportedByBackendSystem(fcSourceVolume.getId());
}
BlockFullCopyUtils.validateActiveFullCopyCount(srcBackendVolume, count, _dbClient);
}
/** {@inheritDoc} */
@Override
public TaskList detach(BlockObject fcSourceObj, Volume fullCopyVolume) {
// If full copy volume is already detached or was never
// activated, return detach action is completed successfully
// as done in base class. Otherwise, send detach full copy
// request to controller.
TaskList taskList = new TaskList();
String taskId = UUID.randomUUID().toString();
if ((BlockFullCopyUtils.isFullCopyDetached(fullCopyVolume, _dbClient))
|| (BlockFullCopyUtils.isFullCopyInactive(fullCopyVolume, _dbClient))) {
super.detach(fcSourceObj, fullCopyVolume);
} else {
// You cannot create a full copy of a VPLEX snapshot, so
// the source will be a volume.
Volume sourceVolume = (Volume) fcSourceObj;
// If the source is in a CG, then we will detach the corresponding
// full copies for all the volumes in the CG. Since we did not allow
// full copies for volumes or snaps in CGs prior to Jedi, there should
// be a full copy for all volumes in the CG.
Map<URI, Volume> fullCopyMap = getFullCopySetMap(sourceVolume, fullCopyVolume);
Set<URI> fullCopyURIs = fullCopyMap.keySet();
// Get the storage system for the source volume.
StorageSystem sourceSystem =
_dbClient.queryObject(StorageSystem.class, sourceVolume.getStorageController());
URI sourceSystemURI = sourceSystem.getId();
// Create the detach task on the full copy volumes.
for (URI fullCopyURI : fullCopyURIs) {
Operation op =
_dbClient.createTaskOpStatus(
Volume.class,
fullCopyURI,
taskId,
ResourceOperationTypeEnum.DETACH_VOLUME_FULL_COPY);
fullCopyMap.get(fullCopyURI).getOpStatus().put(taskId, op);
TaskResourceRep fullCopyVolumeTask =
TaskMapper.toTask(fullCopyMap.get(fullCopyURI), taskId, op);
taskList.getTaskList().add(fullCopyVolumeTask);
}
// Invoke the controller.
try {
VPlexController controller =
getController(VPlexController.class, DiscoveredDataObject.Type.vplex.toString());
controller.detachFullCopy(sourceSystemURI, new ArrayList<URI>(fullCopyURIs), taskId);
} catch (InternalException ie) {
s_logger.error("Controller error", ie);
// Update the status for the VPLEX volume copies and their
// corresponding tasks.
for (Volume vplexFullCopy : fullCopyMap.values()) {
Operation op = vplexFullCopy.getOpStatus().get(taskId);
if (op != null) {
op.error(ie);
vplexFullCopy.getOpStatus().updateTaskStatus(taskId, op);
_dbClient.persistObject(vplexFullCopy);
for (TaskResourceRep task : taskList.getTaskList()) {
if (task.getResource().getId().equals(vplexFullCopy.getId())) {
task.setState(op.getStatus());
task.setMessage(op.getMessage());
break;
}
}
}
}
}
}
return taskList;
}
/**
* Places and prepares the HA volumes when copying a distributed VPLEX volume.
*
* @param name The base name for the volume.
* @param copyCount The number of copies to be made.
* @param size The size for the HA volume.
* @param vplexSystem A reference to the VPLEX storage system.
* @param vplexSystemProject A reference to the VPLEX system project.
* @param srcVarray The virtual array for the VPLEX volume being copied.
* @param srcHAVolume The HA volume of the VPLEX volume being copied.
* @param taskId The task identifier.
* @param volumeDescriptors The list of descriptors.
* @return A list of the prepared HA volumes for the VPLEX volume copy.
*/
private List<Volume> prepareFullCopyHAVolumes(
String name,
int copyCount,
Long size,
StorageSystem vplexSystem,
Project vplexSystemProject,
VirtualArray srcVarray,
Volume srcHAVolume,
String taskId,
List<VolumeDescriptor> volumeDescriptors) {
List<Volume> copyHAVolumes = new ArrayList<Volume>();
// Get the storage placement recommendations for the volumes.
// Placement must occur on the same VPLEX system
Set<URI> vplexSystemURIS = new HashSet<URI>();
vplexSystemURIS.add(vplexSystem.getId());
VirtualArray haVarray =
_dbClient.queryObject(VirtualArray.class, srcHAVolume.getVirtualArray());
VirtualPool haVpool = _dbClient.queryObject(VirtualPool.class, srcHAVolume.getVirtualPool());
VirtualPoolCapabilityValuesWrapper haCapabilities = new VirtualPoolCapabilityValuesWrapper();
haCapabilities.put(VirtualPoolCapabilityValuesWrapper.SIZE, size);
haCapabilities.put(VirtualPoolCapabilityValuesWrapper.RESOURCE_COUNT, copyCount);
VirtualPool vpool = BlockFullCopyUtils.queryFullCopySourceVPool(srcHAVolume, _dbClient);
if (VirtualPool.ProvisioningType.Thin.toString()
.equalsIgnoreCase(vpool.getSupportedProvisioningType())) {
haCapabilities.put(VirtualPoolCapabilityValuesWrapper.THIN_PROVISIONING, Boolean.TRUE);
// To guarantee that storage pool for a copy has enough physical
// space to contain current allocated capacity of thin source volume
haCapabilities.put(
VirtualPoolCapabilityValuesWrapper.THIN_VOLUME_PRE_ALLOCATE_SIZE,
BlockFullCopyUtils.getAllocatedCapacityForFullCopySource(srcHAVolume, _dbClient));
}
List<Recommendation> recommendations =
((VPlexScheduler) _scheduler)
.scheduleStorageForImport(
srcVarray, vplexSystemURIS, haVarray, haVpool, haCapabilities);
if (recommendations.isEmpty()) {
throw APIException.badRequests.noStorageForHaVolumesForVplexVolumeCopies();
}
// Prepare the HA volumes for the VPLEX volume copy.
int copyIndex = 1;
for (Recommendation recommendation : recommendations) {
VPlexRecommendation haRecommendation = (VPlexRecommendation) recommendation;
for (int i = 0; i < haRecommendation.getResourceCount(); i++) {
// Determine the name for the HA volume copy.
StringBuilder nameBuilder = new StringBuilder(name);
nameBuilder.append("-1");
if (copyCount > 1) {
nameBuilder.append("-");
nameBuilder.append(copyIndex++);
}
// Prepare the volume.
Volume volume =
VPlexBlockServiceApiImpl.prepareVolumeForRequest(
size,
vplexSystemProject,
haVarray,
haVpool,
haRecommendation.getSourceDevice(),
haRecommendation.getSourcePool(),
nameBuilder.toString(),
null,
taskId,
_dbClient);
volume.addInternalFlags(Flag.INTERNAL_OBJECT);
_dbClient.persistObject(volume);
copyHAVolumes.add(volume);
// Create the volume descriptor and add it to the passed list.
VolumeDescriptor volumeDescriptor =
new VolumeDescriptor(
VolumeDescriptor.Type.BLOCK_DATA,
volume.getStorageController(),
volume.getId(),
volume.getPool(),
haCapabilities);
volumeDescriptors.add(volumeDescriptor);
}
}
return copyHAVolumes;
}
/** {@inheritDoc} */
@Override
public TaskList create(
List<BlockObject> fcSourceObjList,
VirtualArray varray,
String name,
boolean createInactive,
int count,
String taskId) {
// Populate the descriptors list with all volumes required
// to create the VPLEX volume copies.
int sourceCounter = 0;
URI vplexSrcSystemId = null;
TaskList taskList = new TaskList();
List<Volume> vplexCopyVolumes = new ArrayList<Volume>();
List<VolumeDescriptor> volumeDescriptors = new ArrayList<VolumeDescriptor>();
List<BlockObject> sortedSourceObjectList = sortFullCopySourceList(fcSourceObjList);
for (BlockObject fcSourceObj : sortedSourceObjectList) {
URI fcSourceURI = fcSourceObj.getId();
if (URIUtil.isType(fcSourceURI, BlockSnapshot.class)) {
// Full copy of snapshots is not supported for VPLEX.
return super.create(sortedSourceObjectList, varray, name, createInactive, count, taskId);
}
Volume vplexSrcVolume = (Volume) fcSourceObj;
String copyName = name + (sortedSourceObjectList.size() > 1 ? "-" + ++sourceCounter : "");
// Create a volume descriptor for the source VPLEX volume being copied.
// and add it to the descriptors list. Be sure to identify this VPLEX
// volume as the source volume being copied.
vplexSrcSystemId = fcSourceObj.getStorageController();
VolumeDescriptor vplexSrcVolumeDescr =
new VolumeDescriptor(
VolumeDescriptor.Type.VPLEX_VIRT_VOLUME, vplexSrcSystemId, fcSourceURI, null, null);
Map<String, Object> descrParams = new HashMap<String, Object>();
descrParams.put(VolumeDescriptor.PARAM_IS_COPY_SOURCE_ID, Boolean.TRUE);
vplexSrcVolumeDescr.setParameters(descrParams);
volumeDescriptors.add(vplexSrcVolumeDescr);
// Get some info about the VPLEX volume being copied and its storage
// system.
Project vplexSrcProject =
BlockFullCopyUtils.queryFullCopySourceProject(fcSourceObj, _dbClient);
StorageSystem vplexSrcSystem = _dbClient.queryObject(StorageSystem.class, vplexSrcSystemId);
Project vplexSystemProject =
VPlexBlockServiceApiImpl.getVplexProject(vplexSrcSystem, _dbClient, _tenantsService);
// For the VPLEX volume being copied, determine which of the associated
// backend volumes is the primary and, for distributed volumes, which
// is the HA volume. The primary volume will be natively copied and we
// we need to place and prepare a volume to hold the copy. This copy
// will be the primary backend volume for the VPLEX volume copy. For
// a distributed virtual volume, we will need to place and prepare
// a volume to hold the HA volume of the VPLEX volume copy.
Volume vplexSrcPrimaryVolume = null;
Volume vplexSrcHAVolume = null;
StringSet assocVolumeURIs = vplexSrcVolume.getAssociatedVolumes();
Iterator<String> assocVolumeURIsIter = assocVolumeURIs.iterator();
while (assocVolumeURIsIter.hasNext()) {
URI assocVolumeURI = URI.create(assocVolumeURIsIter.next());
Volume assocVolume = _dbClient.queryObject(Volume.class, assocVolumeURI);
if (assocVolume.getVirtualArray().toString().equals(varray.getId().toString())) {
vplexSrcPrimaryVolume = assocVolume;
} else {
vplexSrcHAVolume = assocVolume;
}
}
// Get the capabilities
VirtualPool vpool = BlockFullCopyUtils.queryFullCopySourceVPool(fcSourceObj, _dbClient);
VirtualPoolCapabilityValuesWrapper capabilities =
getCapabilitiesForFullCopyCreate(fcSourceObj, vpool, count);
// Get the number of copies to create and the size of the volumes.
// Note that for the size, we must use the actual provisioned size
// of the source side backend volume. The size passed in the
// capabilities will be the size of the VPLEX volume. When the
// source side backend volume for the copy is provisioned, you
// might not get that actual size. On VMAX, the size will be slightly
// larger while for VNX the size will be exactly what is requested.
// So, if the source side is a VMAX, the source side for the copy
// will be slightly larger than the size in the capabilities. If the HA
// side is VNX and we use the size in the capabilities, then you will
// get exactly that size for the HA backend volume. As a result, source
// side backend volume for the copy will be slightly larger than the
// HA side. Now the way a VPLEX copy is made is it uses native full
// copy to create a native full copy of the source side backend
// volume. It then provisions the HA side volume. The new source side
// backend copy is then imported into VPLEX in the same way as is done
// for a vpool change that imports a volume to VPLEX. This code in the
// VPLEX controller creates a local VPLEX volume using the source side
// copy and for a distributed volume it then attaches as a remote
// mirror the HA backend volume that is provisioned. If the HA volume
// is slightly smaller, then this will fail on the VPLEX. So, we must
// ensure that HA side volume is big enough by using the provisioned
// capacity of the source side backend volume of the VPLEX volume being
// copied.
long size = vplexSrcPrimaryVolume.getProvisionedCapacity();
// Place and prepare a volume for each copy to serve as a native
// copy of a VPLEX backend volume. The VPLEX backend volume that
// is copied is the backend volume in the same virtual array as the
// VPLEX volume i.e, the primary backend volume. Create
// descriptors for these prepared volumes and add them to the list.
List<Volume> vplexCopyPrimaryVolumes =
prepareFullCopyPrimaryVolumes(
copyName, count, vplexSrcPrimaryVolume, capabilities, volumeDescriptors);
// If the VPLEX volume being copied is distributed, then the VPLEX
// HA volume should be non-null. We use the VPLEX scheduler to place
// and then prepare volumes for the HA volumes of the VPLEX volume
// copies. This should be done in the same manner as is done for the
// import volume routine. This is because to form the VPLEX volume
// copy we import the copy of the primary backend volume.
List<Volume> vplexCopyHAVolumes = new ArrayList<Volume>();
if (vplexSrcHAVolume != null) {
vplexCopyHAVolumes.addAll(
prepareFullCopyHAVolumes(
copyName,
count,
size,
vplexSrcSystem,
vplexSystemProject,
varray,
vplexSrcHAVolume,
taskId,
volumeDescriptors));
}
// For each copy to be created, place and prepare a volume for the
// primary backend volume copy. When copying a distributed VPLEX
// volume, we also must place and prepare a volume for the HA
// backend volume copy. Lastly, we must prepare a volume for the
// VPLEX volume copy. Create descriptors for these prepared volumes
// and add them to the volume descriptors list.
for (int i = 0; i < count; i++) {
// Prepare a new VPLEX volume for each copy.
Volume vplexCopyPrimaryVolume = vplexCopyPrimaryVolumes.get(i);
Volume vplexCopyHAVolume = null;
if (vplexCopyHAVolumes.size() != 0) {
vplexCopyHAVolume = vplexCopyHAVolumes.get(i);
}
Volume vplexCopyVolume =
prepareFullCopyVPlexVolume(
copyName,
count,
i,
size,
vplexSrcVolume,
vplexSrcProject,
varray,
vpool,
vplexSrcSystemId,
vplexCopyPrimaryVolume,
vplexCopyHAVolume,
taskId,
volumeDescriptors);
vplexCopyVolumes.add(vplexCopyVolume);
// Create task for each copy.
Operation op = vplexCopyVolume.getOpStatus().get(taskId);
TaskResourceRep task = toTask(vplexCopyVolume, taskId, op);
taskList.getTaskList().add(task);
}
}
// Invoke the VPLEX controller to create the copies.
try {
s_logger.info("Getting VPlex controller {}.", taskId);
VPlexController controller =
getController(VPlexController.class, DiscoveredDataObject.Type.vplex.toString());
// TBD controller needs to be updated to handle CGs.
controller.createFullCopy(vplexSrcSystemId, volumeDescriptors, taskId);
s_logger.info("Successfully invoked controller.");
} catch (InternalException e) {
s_logger.error("Controller error", e);
// Update the status for the VPLEX volume copies and their
// corresponding tasks.
for (Volume vplexCopyVolume : vplexCopyVolumes) {
Operation op = vplexCopyVolume.getOpStatus().get(taskId);
if (op != null) {
op.error(e);
vplexCopyVolume.getOpStatus().updateTaskStatus(taskId, op);
_dbClient.persistObject(vplexCopyVolume);
for (TaskResourceRep task : taskList.getTaskList()) {
if (task.getResource().getId().equals(vplexCopyVolume.getId())) {
task.setState(op.getStatus());
task.setMessage(op.getMessage());
break;
}
}
}
}
// Mark all volumes inactive, except for the VPLEX volume
// we were trying to copy.
for (VolumeDescriptor descriptor : volumeDescriptors) {
if (descriptor.getParameters().get(VolumeDescriptor.PARAM_IS_COPY_SOURCE_ID) == null) {
Volume volume = _dbClient.queryObject(Volume.class, descriptor.getVolumeURI());
volume.setInactive(true);
_dbClient.persistObject(volume);
}
}
}
return taskList;
}