Examples with ExportMaskVolumeToStorageGroupCompleter com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter used on opensource projects

Example 1 with ExportMaskVolumeToStorageGroupCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method removePhantomStorageGroup.

/**
 * Removes the volumes from phantom SG.
 * This is used internally for operation - change volume's policy by moving them from one vPool to another.
 * Request: to change FAST volumes in phantom SG to non-FAST volumes
 */
private void removePhantomStorageGroup(StorageSystem storage, WBEMClient client, URI exportMaskURI, String phantomSGName, CIMObjectPath phantomSGPath, List<URI> volumesToRemove, boolean forceFlag) throws Exception {
    /**
     * Though the volumes are associated with other non-fast, non-cascading masking views,
     * we can remove volumes from phantom SG as we are removing its Policy.
     */
    if (!volumesToRemove.isEmpty()) {
        _log.info(String.format("Going to remove volumes %s from phantom storage group %s", Joiner.on("\t").join(volumesToRemove), phantomSGName));
        /**
         * remove FAST policy associated with SG if change is requested for all volumes in that SG
         */
        if (isGivenVolumeListSameAsInStorageGroup(storage, phantomSGPath, volumesToRemove)) {
            _log.info("Storage Group has no more than {} volumes", volumesToRemove.size());
            _log.info("Storage Group {} will be disassociated from FAST because group can not be deleted if associated with FAST", phantomSGName);
            _helper.removeVolumeGroupFromPolicyAndLimitsAssociation(client, storage, phantomSGPath);
        }
        // Create a relatively empty completer associated with the export mask. We don't have the export group
        // at this level, so there's nothing decent to attach the completer to anyway.
        String task = UUID.randomUUID().toString();
        ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
        List<CIMObjectPath> volumePaths = new ArrayList<CIMObjectPath>();
        // Remove the volumes from the phantom storage group
        CIMArgument[] inArgs = _helper.getRemoveVolumesFromMaskingGroupInputArguments(storage, phantomSGName, volumesToRemove, forceFlag);
        CIMArgument[] outArgs = new CIMArgument[5];
        _helper.invokeMethodSynchronously(storage, _cimPath.getControllerConfigSvcPath(storage), "RemoveMembers", inArgs, outArgs, new SmisMaskingViewRemoveVolumeJob(null, storage.getId(), volumePaths, null, phantomSGName, _cimPath, completer));
    }
}

Example 2 with ExportMaskVolumeToStorageGroupCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method removeVolumesFromPhantomStorageGroup.

/**
 * Removes the volumes from any phantom storage group.
 *
 * Determine if the volumes are associated with any phantom storage groups.
 * If so, we need to remove volumes from those storage groups and potentially remove them.
 */
private void removeVolumesFromPhantomStorageGroup(StorageSystem storage, WBEMClient client, URI exportMaskURI, List<URI> volumeURIList, String childGroupName, boolean forceFlag) throws Exception {
    CloseableIterator<CIMObjectPath> volumePathItr = null;
    try {
        Map<StorageGroupPolicyLimitsParam, List<URI>> policyVolumeMap = _helper.groupVolumesBasedOnFastPolicy(storage, volumeURIList);
        for (StorageGroupPolicyLimitsParam storageGroupPolicyLimitsParam : policyVolumeMap.keySet()) {
            if (!_helper.isFastPolicy(storageGroupPolicyLimitsParam.getAutoTierPolicyName())) {
                continue;
            }
            _log.info("Checking if volumes are associated with phantom storage groups with policy name: " + storageGroupPolicyLimitsParam);
            // See if there's a phantom group with this policy
            List<String> storageGroupNames = _helper.findPhantomStorageGroupAssociatedWithFastPolicy(storage, storageGroupPolicyLimitsParam);
            // We found a phantom storage group
            if (storageGroupNames != null) {
                for (String storageGroupName : storageGroupNames) {
                    List<URI> volumesToRemove = new ArrayList<URI>();
                    List<Volume> volumes = _dbClient.queryObject(Volume.class, policyVolumeMap.get(storageGroupPolicyLimitsParam));
                    // Get the volumes associated with this storage group. Match up with our volumes.
                    volumePathItr = _helper.getAssociatorNames(storage, _cimPath.getStorageGroupObjectPath(storageGroupName, storage), null, SmisConstants.CIM_STORAGE_VOLUME, null, null);
                    while (volumePathItr.hasNext()) {
                        CIMObjectPath volumePath = volumePathItr.next();
                        for (Volume volume : volumes) {
                            if (volume.getNativeGuid().equalsIgnoreCase(_helper.getVolumeNativeGuid(volumePath))) {
                                _log.info("Found volume " + volume.getLabel() + " is in phantom storage group " + storageGroupName);
                                volumesToRemove.add(volume.getId());
                            }
                        }
                    }
                    // Check to see if the volumes are associated with other non-fast, non-cascading masking views.
                    // If so, we should not remove that volume from the phantom storage group because another view
                    // is relying on
                    // it being there.
                    List<URI> inMoreViewsVolumes = new ArrayList<URI>();
                    for (URI volumeToRemove : volumesToRemove) {
                        if (_helper.isPhantomVolumeInMultipleMaskingViews(storage, volumeToRemove, childGroupName)) {
                            Volume volume = _dbClient.queryObject(Volume.class, volumeToRemove);
                            _log.info("Volume " + volume.getLabel() + " is in other masking views, so we will not remove it from storage group " + storageGroupName);
                            inMoreViewsVolumes.add(volume.getId());
                        }
                    }
                    volumesToRemove.removeAll(inMoreViewsVolumes);
                    // from the phantom storage group.
                    if (!volumesToRemove.isEmpty()) {
                        _log.info(String.format("Going to remove volumes %s from phantom storage group %s", Joiner.on("\t").join(volumesToRemove), storageGroupName));
                        Map<String, List<URI>> phantomGroupVolumeMap = _helper.groupVolumesBasedOnExistingGroups(storage, storageGroupName, volumesToRemove);
                        if (phantomGroupVolumeMap != null && phantomGroupVolumeMap.get(storageGroupName) != null && phantomGroupVolumeMap.get(storageGroupName).size() == volumesToRemove.size() && !_helper.isStorageGroupSizeGreaterThanGivenVolumes(storageGroupName, storage, volumesToRemove.size())) {
                            _log.info("Storage Group has no more than {} volumes", volumesToRemove.size());
                            URI blockURI = volumesToRemove.get(0);
                            BlockObject blockObj = BlockObject.fetch(_dbClient, blockURI);
                            CIMObjectPath maskingGroupPath = _cimPath.getMaskingGroupPath(storage, storageGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                            String foundPolicyName = ControllerUtils.getAutoTieringPolicyName(blockObj.getId(), _dbClient);
                            if (_helper.isFastPolicy(foundPolicyName) && storageGroupPolicyLimitsParam.getAutoTierPolicyName().equalsIgnoreCase(foundPolicyName)) {
                                _log.info("Storage Group {} contains only 1 volume, so this group will be disassociated from FAST because group can not be deleted if associated with FAST", storageGroupName);
                                _helper.removeVolumeGroupFromPolicyAndLimitsAssociation(client, storage, maskingGroupPath);
                            }
                        }
                        // Create a relatively empty completer associated with the export mask. We don't have the
                        // export group
                        // at this level, so there's nothing decent to attach the completer to anyway.
                        String task = UUID.randomUUID().toString();
                        ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                        List<URI> volumesInSG = _helper.findVolumesInStorageGroup(storage, storageGroupName, volumesToRemove);
                        List<CIMObjectPath> volumePaths = new ArrayList<CIMObjectPath>();
                        // Remove the found volumes from the phantom storage group
                        if (volumesInSG != null && !volumesInSG.isEmpty()) {
                            CIMArgument[] inArgs = _helper.getRemoveVolumesFromMaskingGroupInputArguments(storage, storageGroupName, volumesInSG, forceFlag);
                            CIMArgument[] outArgs = new CIMArgument[5];
                            _helper.invokeMethodSynchronously(storage, _cimPath.getControllerConfigSvcPath(storage), "RemoveMembers", inArgs, outArgs, new SmisMaskingViewRemoveVolumeJob(null, storage.getId(), volumePaths, null, storageGroupName, _cimPath, completer));
                        }
                    }
                }
            }
        }
    } finally {
        if (volumePathItr != null) {
            volumePathItr.close();
        }
    }
}

Example 3 with ExportMaskVolumeToStorageGroupCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method addVolumes.

@Override
public void addVolumes(StorageSystem storage, URI exportMaskURI, VolumeURIHLU[] volumeURIHLUs, List<Initiator> initiatorList, TaskCompleter taskCompleter) throws DeviceControllerException {
    _log.info("{} addVolumes START...", storage.getSerialNumber());
    try {
        _log.info("addVolumes: Export mask id: {}", exportMaskURI);
        _log.info("addVolumes: volume-HLU pairs: {}", Joiner.on(',').join(volumeURIHLUs));
        if (initiatorList != null) {
            _log.info("addVolumes: initiators impacted: {}", Joiner.on(',').join(initiatorList));
        }
        boolean isVmax3 = storage.checkIfVmax3();
        ExportMask mask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
        ExportOperationContext context = new VmaxExportOperationContext();
        // Prime the context object
        taskCompleter.updateWorkflowStepContext(context);
        String maskingViewName = _helper.getExportMaskName(exportMaskURI);
        // Always get the Storage Group from masking View, rather than depending on the name to find out SG.
        String parentGroupName = _helper.getStorageGroupForGivenMaskingView(maskingViewName, storage);
        // Storage Group does not exist, remove the volumes from the mask.
        if (null == parentGroupName) {
            List<URI> volumeURIList = new ArrayList<URI>();
            for (VolumeURIHLU vuh : volumeURIHLUs) {
                volumeURIList.add(vuh.getVolumeURI());
            }
            mask.removeVolumes(volumeURIList);
            _dbClient.updateObject(mask);
            taskCompleter.error(_dbClient, DeviceControllerException.errors.vmaxStorageGroupNameNotFound(maskingViewName));
            return;
        }
        // For existing masking views on the array (co-existence),
        // if it has stand alone storage group, convert it into cascaded storage group.
        CIMObjectPath storageGroupPath = _cimPath.getMaskingGroupPath(storage, parentGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
        if (_helper.isStandAloneSG(storage, storageGroupPath)) {
            _log.info("Found Stand alone storage group, verifying the storage array version before converting it to Cascaded..");
            if (storage.checkIfVmax3()) {
                _log.info("Converting Stand alone storage group to Cascaded..");
                _helper.convertStandAloneStorageGroupToCascaded(storage, storageGroupPath, parentGroupName);
            } else {
                _log.info("Converting Stand alone storage group to Cascaded is not supported for VMAX2. Proceeding provisioning without conversion.");
            }
        }
        // Get the export mask initiator list. This is required to compute the storage group name
        Set<Initiator> initiators = ExportMaskUtils.getInitiatorsForExportMask(_dbClient, mask, null);
        // Flag to indicate whether or not we need to use the EMCForce flag on this operation.
        // We currently use this flag when dealing with RP Volumes as they are tagged for RP and the
        // operation on these volumes would fail otherwise.
        boolean forceFlag = false;
        // Determine if the volume is already in the masking view.
        // If so, log and remove from volumes we need to process.
        parentGroupName = _helper.getStorageGroupForGivenMaskingView(maskingViewName, storage);
        Set<String> deviceIds = _helper.getVolumeDeviceIdsFromStorageGroup(storage, parentGroupName);
        List<VolumeURIHLU> removeURIs = new ArrayList<>();
        for (VolumeURIHLU volumeUriHLU : volumeURIHLUs) {
            BlockObject bo = BlockObject.fetch(_dbClient, volumeUriHLU.getVolumeURI());
            if (deviceIds.contains(bo.getNativeId())) {
                _log.info("Found volume {} is already associated with masking view.  Assuming this is from a previous operation.", bo.getLabel());
                removeURIs.add(volumeUriHLU);
            }
        }
        // Create the new array of volumes that don't exist yet in the masking view.
        VolumeURIHLU[] addVolumeURIHLUs = new VolumeURIHLU[volumeURIHLUs.length - removeURIs.size()];
        int index = 0;
        for (VolumeURIHLU volumeUriHLU : volumeURIHLUs) {
            if (!removeURIs.contains(volumeUriHLU)) {
                addVolumeURIHLUs[index++] = volumeUriHLU;
            }
        }
        /**
         * Group Volumes by Fast Policy and Host IO limit attributes
         *
         * policyToVolumeGroupEntry - this will essentially have multiple Groups
         * E.g Group 1--> Fast Policy (FP1)+ FEBandwidth (100)
         * Group 2--> Fast Policy (FP2)+ IOPS (100)
         * Group 3--> FEBandwidth (100) + IOPS (100) ..
         */
        ListMultimap<StorageGroupPolicyLimitsParam, VolumeURIHLU> policyToVolumeGroup = ArrayListMultimap.create();
        for (VolumeURIHLU volumeUriHLU : addVolumeURIHLUs) {
            StorageGroupPolicyLimitsParam sgPolicyLimitsParam = null;
            URI boUri = volumeUriHLU.getVolumeURI();
            BlockObject bo = BlockObject.fetch(_dbClient, boUri);
            boolean fastAssociatedAlready = false;
            // Always treat fast volumes as non-fast if fast is associated on these volumes already
            // Export fast volumes to 2 different nodes.
            // Also note that Volumes with Compression set to true are also fast managed for VMAX3 Arrays.
            String policyName = volumeUriHLU.getAutoTierPolicyName();
            if (_helper.isFastPolicy(policyName) || ((isVmax3) && volumeUriHLU.getCompression())) {
                if (isVmax3) {
                    policyName = _helper.getVMAX3FastSettingForVolume(boUri, policyName);
                }
                fastAssociatedAlready = _helper.checkVolumeAssociatedWithAnySGWithPolicy(bo.getNativeId(), storage, policyName);
            }
            // should not be created with a FAST policy assigned.
            if (fastAssociatedAlready || isRPJournalVolume(bo)) {
                _log.info("Forcing policy name to NONE to prevent volume from using FAST policy.");
                volumeUriHLU.setAutoTierPolicyName(Constants.NONE);
                // Compression was applied on existing SG associated with policy!!
                volumeUriHLU.setCompression(false);
                sgPolicyLimitsParam = new StorageGroupPolicyLimitsParam(Constants.NONE, volumeUriHLU.getHostIOLimitBandwidth(), volumeUriHLU.getHostIOLimitIOPs(), storage);
            } else {
                if (isVmax3) {
                    sgPolicyLimitsParam = new StorageGroupPolicyLimitsParam(volumeUriHLU, storage, _helper);
                } else {
                    sgPolicyLimitsParam = new StorageGroupPolicyLimitsParam(volumeUriHLU, storage);
                }
            }
            policyToVolumeGroup.put(sgPolicyLimitsParam, volumeUriHLU);
            // The force flag only needs to be set once
            if (!forceFlag) {
                forceFlag = ExportUtils.useEMCForceFlag(_dbClient, volumeUriHLU.getVolumeURI());
            }
        }
        _log.info(" {} Groups generated based on grouping volumes by fast policy", policyToVolumeGroup.size());
        String storageGroupCustomTemplateName = CustomConfigConstants.VMAX_HOST_STORAGE_GROUP_MASK_NAME;
        String exportType = ExportMaskUtils.getExportType(_dbClient, mask);
        if (ExportGroupType.Cluster.name().equals(exportType)) {
            storageGroupCustomTemplateName = CustomConfigConstants.VMAX_CLUSTER_STORAGE_GROUP_MASK_NAME;
        }
        DataSource sgDataSource = ExportMaskUtils.getExportDatasource(storage, new ArrayList<Initiator>(initiators), dataSourceFactory, storageGroupCustomTemplateName);
        // Group volumes by Storage Group
        Map<String, Collection<VolumeURIHLU>> volumesByStorageGroup = _helper.groupVolumesByStorageGroup(storage, parentGroupName, sgDataSource, storageGroupCustomTemplateName, policyToVolumeGroup, customConfigHandler);
        // associate it with fast if needed, then add the new Child Group to the existing Parent Cascaded Group
        for (Entry<String, Collection<VolumeURIHLU>> volumesByStorageGroupEntry : volumesByStorageGroup.entrySet()) {
            VolumeURIHLU[] volumeURIHLUArray = null;
            // Even though policy and limits info are already in volumURIHLU, let's still extract to a holder for
            // easy access
            // Is it safe to not touch the below variable as it seems to be used by non VMAX3 cases only?
            StorageGroupPolicyLimitsParam volumePolicyLimitsParam = new StorageGroupPolicyLimitsParam(Constants.NONE);
            if (null != volumesByStorageGroupEntry.getValue()) {
                volumeURIHLUArray = volumesByStorageGroupEntry.getValue().toArray(new VolumeURIHLU[0]);
                volumePolicyLimitsParam = _helper.createStorageGroupPolicyLimitsParam(volumesByStorageGroupEntry.getValue(), storage, _dbClient);
            }
            String childGroupName = volumesByStorageGroupEntry.getKey().toString();
            if (isVmax3) {
                childGroupName = childGroupName.replaceAll(Constants.SMIS_PLUS_REGEX, Constants.UNDERSCORE_DELIMITER);
            }
            _log.info("Group Name : {} --- volume storage group name : {}", childGroupName, (volumeURIHLUArray != null ? Joiner.on("\t").join(volumeURIHLUArray) : ""));
            CIMObjectPath childGroupPath = _cimPath.getMaskingGroupPath(storage, childGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
            CIMInstance childGroupInstance = _helper.checkExists(storage, childGroupPath, false, false);
            if (null == childGroupInstance) {
                // For the newly created group, set policy, and other required properties bandwidth, iops as needed.
                // Once child group created, add this child Group to existing Parent Cascaded Group.
                // Empty child group is created to be able to add volumes with HLUs
                // once this child group is added in the cascaded storage group.
                _log.info("Group {} doesn't exist, creating a new group", childGroupName);
                CIMObjectPath childGroupCreated = createVolumeGroup(storage, childGroupName, volumeURIHLUArray, taskCompleter, false);
                _log.debug("Created Child Group {}", childGroupCreated);
                // Get childGroupName from the child group path childGroupCreated as it
                // could have been truncated in createVolumeGroup method
                childGroupName = _cimPath.getMaskingGroupName(storage, childGroupCreated);
                if (!isVmax3 && _helper.isFastPolicy(volumePolicyLimitsParam.getAutoTierPolicyName()) && !_helper.checkVolumeGroupAssociatedWithPolicy(storage, childGroupCreated, volumePolicyLimitsParam.getAutoTierPolicyName())) {
                    _log.debug("Adding Storage Group {} to Fast Policy {}", childGroupName, volumePolicyLimitsParam.getAutoTierPolicyName());
                    addVolumeGroupToAutoTieringPolicy(storage, volumePolicyLimitsParam.getAutoTierPolicyName(), childGroupCreated, taskCompleter);
                }
                // Add new Child Storage Group to Parent Cascaded Group
                // NOTE: host IO limit is set during the first child SG created with cascaded group.
                // Logically (or easy to follow) is to set limits after SG is created. However, because add job
                // logic
                // is executed in a queue. Hence, move update logic to SmisMaskingViewAddVolumeJob
                addGroupsToCascadedVolumeGroup(storage, parentGroupName, childGroupCreated, null, taskCompleter, forceFlag);
                _log.debug("Added newly created Storage Group {} to Parent Cascaded Group {}", childGroupName, parentGroupName);
                // Add volumes to the newly created child group
                _log.info("Adding Volumes to non cascaded Storage Group {} START", childGroupName);
                // Create a relatively empty completer associated with the export mask. We don't have the export
                // group
                // at this level, so there's nothing decent to attach the completer to anyway.
                String task = UUID.randomUUID().toString();
                ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                SmisMaskingViewAddVolumeJob job = new SmisMaskingViewAddVolumeJob(null, storage.getId(), exportMaskURI, volumeURIHLUArray, childGroupCreated, completer);
                job.setCIMObjectPathfactory(_cimPath);
                _helper.addVolumesToStorageGroup(volumeURIHLUArray, storage, childGroupName, job, forceFlag);
                ExportOperationContext.insertContextOperation(taskCompleter, VmaxExportOperationContext.OPERATION_ADD_VOLUMES_TO_STORAGE_GROUP, childGroupName, volumeURIHLUArray, forceFlag);
                _log.info("Adding Volumes to non cascaded Storage Group {} END", childGroupName);
            } else // Only reusable groups will have null volumeURIHLUArray
            if (null != volumeURIHLUArray) {
                // Only add volumes that don't already exist in the StorageGroup
                VolumeURIHLU[] newVolumesToAdd = getVolumesThatAreNotAlreadyInSG(storage, childGroupPath, childGroupName, volumesByStorageGroupEntry.getValue().toArray(new VolumeURIHLU[0]));
                if (newVolumesToAdd != null) {
                    // We should not disturb any existing masking views on the Array. In this case, if the found
                    // storage group is not
                    // associated with expected fast policy, then we cannot proceed with neither of the below
                    // 1. Adding fast volumes to existing non fast storage group part of masking view
                    // 2. Creating a new Cascaded Group, and adding the existing storage group to it, as existing
                    // SG-->MV needs to be
                    // broken
                    StorageGroupPolicyLimitsParam childGroupKey = _helper.createStorageGroupPolicyLimitsParam(storage, childGroupInstance);
                    if (!isVmax3 && _helper.isFastPolicy(volumePolicyLimitsParam.getAutoTierPolicyName()) && !_helper.isFastPolicy(childGroupKey.getAutoTierPolicyName())) {
                        // Go through each volume associated with this storage group and pluck out by policy
                        for (StorageGroupPolicyLimitsParam phantomStorageGroupPolicyLimitsParam : policyToVolumeGroup.keySet()) {
                            String phantomPolicyName = phantomStorageGroupPolicyLimitsParam.getAutoTierPolicyName();
                            // If this is a non-FAST policy in the grouping, skip it.
                            if (!_helper.isFastPolicy(phantomPolicyName)) {
                                continue;
                            }
                            // Find the volumes in the volumeURIHLU associated with this policy
                            VolumeURIHLU[] phantomVolumesToAdd = getVolumesThatBelongToPolicy(newVolumesToAdd, phantomStorageGroupPolicyLimitsParam, storage);
                            _log.info(String.format("In order to add this volume to the masking view, we need to create/find a storage group " + "for the FAST policy %s and add the volume to the storage group and the existing storage group associated with the masking view", phantomStorageGroupPolicyLimitsParam));
                            // Check to see if there already is a phantom storage group with this policy on the
                            // array
                            List<String> phantomStorageGroupNames = _helper.findPhantomStorageGroupAssociatedWithFastPolicy(storage, phantomStorageGroupPolicyLimitsParam);
                            // If there's no existing phantom storage group, create one.
                            if (phantomStorageGroupNames == null || phantomStorageGroupNames.isEmpty()) {
                                // TODO: Probably need to use some name generator for this.
                                String phantomStorageGroupName = childGroupName + "_" + phantomStorageGroupPolicyLimitsParam;
                                // We need to create a new phantom storage group with our policy associated with it.
                                _log.info("phantom storage group {} doesn't exist, creating a new group", phantomStorageGroupName);
                                CIMObjectPath phantomStorageGroupCreated = createVolumeGroup(storage, phantomStorageGroupName, phantomVolumesToAdd, taskCompleter, true);
                                _log.info("Adding Storage Group {} to Fast Policy {}", phantomStorageGroupName, phantomPolicyName);
                                addVolumeGroupToAutoTieringPolicy(storage, phantomPolicyName, phantomStorageGroupCreated, taskCompleter);
                            } else {
                                // take the first matching phantom SG from the list
                                String phantomStorageGroupName = phantomStorageGroupNames.get(0);
                                // We found the phantom storage group, but we need to make sure the volumes aren't
                                // already in the
                                // storage
                                // group from a previous operation or manual intervention.
                                List<URI> phantomVolumeIds = new ArrayList<URI>();
                                for (VolumeURIHLU phantomVolume : phantomVolumesToAdd) {
                                    phantomVolumeIds.add(phantomVolume.getVolumeURI());
                                }
                                phantomVolumeIds.removeAll(_helper.findVolumesInStorageGroup(storage, phantomStorageGroupName, phantomVolumeIds));
                                if (phantomVolumeIds.isEmpty()) {
                                    _log.info("Found that the volume(s) we wanted to add to the phantom storage group are already added.");
                                } else {
                                    // If we found a phantom storage group with our policy, use it.
                                    _log.info("Found that we need to add volumes to the phantom storage group: " + phantomStorageGroupName);
                                    // Create a relatively empty completer associated with the export mask. We don't
                                    // have the export
                                    // group
                                    // at this level, so there's nothing decent to attach the completer to anyway.
                                    String task = UUID.randomUUID().toString();
                                    ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                                    SmisMaskingViewAddVolumeJob job = new SmisMaskingViewAddVolumeJob(null, storage.getId(), exportMaskURI, phantomVolumesToAdd, null, completer);
                                    job.setCIMObjectPathfactory(_cimPath);
                                    _helper.addVolumesToStorageGroup(phantomVolumesToAdd, storage, phantomStorageGroupName, job, forceFlag);
                                    ExportOperationContext.insertContextOperation(taskCompleter, VmaxExportOperationContext.OPERATION_ADD_VOLUMES_TO_STORAGE_GROUP, phantomStorageGroupName, phantomVolumesToAdd, forceFlag);
                                    _log.info("Adding Volumes to non cascaded Storage Group {} END", phantomStorageGroupName);
                                }
                            }
                        }
                    }
                    if (isVmax3) {
                        // Remove volumes from the parking storage group
                        Set<String> nativeIds = new HashSet<String>();
                        for (VolumeURIHLU volURIHLU : newVolumesToAdd) {
                            nativeIds.add(_helper.getBlockObjectNativeId(volURIHLU.getVolumeURI()));
                        }
                        _helper.removeVolumeFromParkingSLOStorageGroup(storage, nativeIds.toArray(new String[] {}), forceFlag);
                    }
                    _log.info("Adding Volumes to non cascaded Storage Group {} START", childGroupName);
                    // Create a relatively empty completer associated with the export mask. We don't have the export
                    // group
                    // at this level, so there's nothing decent to attach the completer to anyway.
                    String task = UUID.randomUUID().toString();
                    ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                    SmisMaskingViewAddVolumeJob job = new SmisMaskingViewAddVolumeJob(null, storage.getId(), exportMaskURI, newVolumesToAdd, null, completer);
                    job.setCIMObjectPathfactory(_cimPath);
                    _helper.addVolumesToStorageGroup(newVolumesToAdd, storage, childGroupName, job, forceFlag);
                    ExportOperationContext.insertContextOperation(taskCompleter, VmaxExportOperationContext.OPERATION_ADD_VOLUMES_TO_STORAGE_GROUP, childGroupName, newVolumesToAdd, forceFlag);
                    _log.info("Adding Volumes to non cascaded Storage Group {} END", childGroupName);
                } else {
                    // newVolumesToAdd == null, implying that all the requested
                    // volumes are already in the StorageGroup. This is a no-op.
                    _log.info("All volumes are already in the storage group");
                }
            } else // Else, we have existing groups which hold these volumes, hence add those groups to
            // cascaded group.
            {
                _log.info("Adding Existing Storage Group {} to Cascaded Group {} START :", childGroupName, parentGroupName);
                if (!isVmax3 && _helper.isFastPolicy(volumePolicyLimitsParam.getAutoTierPolicyName()) && !_helper.checkVolumeGroupAssociatedWithPolicy(storage, childGroupPath, volumePolicyLimitsParam.getAutoTierPolicyName())) {
                    _log.info("Adding Storage Group {} to Fast Policy {}", childGroupName, volumePolicyLimitsParam.getAutoTierPolicyName());
                    addVolumeGroupToAutoTieringPolicy(storage, volumePolicyLimitsParam.getAutoTierPolicyName(), childGroupPath, taskCompleter);
                }
                String task = UUID.randomUUID().toString();
                ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                SmisMaskingViewAddVolumeJob job = new SmisMaskingViewAddVolumeJob(null, storage.getId(), exportMaskURI, volumeURIHLUArray, null, completer);
                job.setCIMObjectPathfactory(_cimPath);
                addGroupsToCascadedVolumeGroup(storage, parentGroupName, childGroupPath, job, taskCompleter, forceFlag);
                _log.debug("Adding Existing Storage Group {} to Cascaded Group {} END :", childGroupName, parentGroupName);
            }
        }
        // Test mechanism to invoke a failure. No-op on production systems.
        InvokeTestFailure.internalOnlyInvokeTestFailure(InvokeTestFailure.ARTIFICIAL_FAILURE_002);
        taskCompleter.ready(_dbClient);
    } catch (Exception e) {
        _log.error(String.format("addVolumes failed - maskName: %s", exportMaskURI.toString()), e);
        ServiceError serviceError = DeviceControllerException.errors.jobFailed(e);
        taskCompleter.error(_dbClient, serviceError);
    }
    _log.info("{} addVolumes END...", storage.getSerialNumber());
}

Example 4 with ExportMaskVolumeToStorageGroupCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method removeVolumes.

@Override
public void removeVolumes(StorageSystem storage, URI exportMaskURI, List<URI> volumeURIList, List<Initiator> initiatorList, TaskCompleter taskCompleter) throws DeviceControllerException {
    _log.info("{} removeVolumes START...", storage.getSerialNumber());
    try {
        _log.info("removeVolumes: Export mask id: {}", exportMaskURI);
        _log.info("removeVolumes: volumes: {}", Joiner.on(',').join(volumeURIList));
        if (initiatorList != null) {
            _log.info("removeVolumes: impacted initiators: {}", Joiner.on(",").join(initiatorList));
        }
        List<? extends BlockObject> blockObjects = BlockObject.fetchAll(_dbClient, volumeURIList);
        ExportMask exportMask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
        boolean isRollback = WorkflowService.getInstance().isStepInRollbackState(taskCompleter.getOpId());
        ExportMaskValidationContext ctx = new ExportMaskValidationContext();
        ctx.setStorage(storage);
        ctx.setExportMask(exportMask);
        ctx.setBlockObjects(blockObjects);
        ctx.setInitiators(initiatorList);
        // Allow exceptions to be thrown when not rolling back
        ctx.setAllowExceptions(!isRollback);
        validator.removeVolumes(ctx).validate();
        boolean isVmax3 = storage.checkIfVmax3();
        WBEMClient client = _helper.getConnection(storage).getCimClient();
        if (isRollback) {
            // Get the context from the task completer for this rollback step. The stepId in this case
            // will correspond to the rollback step and not the primary execution step. We don't know
            // the rollback stepId until execution time, therefore there will be no step data in the
            // database corresponding to this stepId. The underlying call to loadStepData will take care
            // of finding the founding step (execution) step for this rollback stepId, from which the
            // step data can be found.
            ExportOperationContext context = (ExportOperationContext) WorkflowService.getInstance().loadStepData(taskCompleter.getOpId());
            exportMaskRollback(storage, context, taskCompleter);
            taskCompleter.ready(_dbClient);
            return;
        } else {
            String maskingViewName = _helper.getExportMaskName(exportMaskURI);
            // Always get the Storage Group from masking View, rather than depending on the name to find out SG.
            String parentGroupName = _helper.getStorageGroupForGivenMaskingView(maskingViewName, storage);
            // Storage Group does not exist, no operation on array side
            if (null == parentGroupName) {
                taskCompleter.ready(_dbClient);
                return;
            }
            Map<String, List<URI>> volumesByGroup = _helper.groupVolumesBasedOnExistingGroups(storage, parentGroupName, volumeURIList);
            _log.info("Group Volumes by Storage Group size : {}", volumesByGroup.size());
            if (volumesByGroup.size() == 0) {
                _log.info("Could not find any groups to which the volumes to remove belong.");
                taskCompleter.ready(_dbClient);
                return;
            }
            /**
             * For each child Group bucket, remove the volumes from those bucket
             */
            for (Entry<String, List<URI>> volumeByGroupEntry : volumesByGroup.entrySet()) {
                String childGroupName = volumeByGroupEntry.getKey();
                volumeURIList = volumeByGroupEntry.getValue();
                _log.info("Processing Group {} with volumes {}", childGroupName, Joiner.on("\t").join(volumeURIList));
                /**
                 * Empty child Storage Groups cannot be associated with Fast Policy.
                 * hence, verify if storage group size is > 1, if not, then remove the
                 * child group from Fast Policy, and then proceed with removing the volume from group
                 */
                if (volumesByGroup.get(childGroupName) != null && volumesByGroup.get(childGroupName).size() == volumeURIList.size() && !_helper.isStorageGroupSizeGreaterThanGivenVolumes(childGroupName, storage, volumeURIList.size())) {
                    _log.info("Storage Group has no more than {} volumes", volumeURIList.size());
                    URI blockURI = volumeURIList.get(0);
                    BlockObject blockObj = BlockObject.fetch(_dbClient, blockURI);
                    CIMObjectPath maskingGroupPath = _cimPath.getMaskingGroupPath(storage, childGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                    String policyName = ControllerUtils.getAutoTieringPolicyName(blockObj.getId(), _dbClient);
                    if (!isVmax3 && !Constants.NONE.equalsIgnoreCase(policyName)) {
                        _log.info("Storage Group contains only 1 volume, hence this group will be disassociated from fast, as fast cannot be applied to empty group {}", childGroupName);
                        _helper.removeVolumeGroupFromPolicyAndLimitsAssociation(client, storage, maskingGroupPath);
                    }
                }
                Set<String> volumeDeviceIds = new HashSet<String>();
                // Flag to indicate whether or not we need to use the EMCForce flag on this operation.
                // We currently use this flag when dealing with RP Volumes as they are tagged for RP and the
                // operation on these volumes would fail otherwise.
                boolean forceFlag = false;
                for (URI volURI : volumeURIList) {
                    BlockObject bo = Volume.fetchExportMaskBlockObject(_dbClient, volURI);
                    volumeDeviceIds.add(bo.getNativeId());
                    // The force flag only needs to be set once
                    if (!forceFlag) {
                        forceFlag = ExportUtils.useEMCForceFlag(_dbClient, volURI);
                    }
                }
                List<CIMObjectPath> volumePaths = new ArrayList<CIMObjectPath>();
                // Determine if the volumes are associated with any phantom storage groups.
                // If so, we need to remove volumes from those storage groups and potentially remove them.
                removeVolumesFromPhantomStorageGroup(storage, client, exportMaskURI, volumeURIList, childGroupName, forceFlag);
                // Create a relatively empty completer associated with the export mask. We don't have the export
                // group
                // at this level, so there's nothing decent to attach the completer to anyway.
                String task = UUID.randomUUID().toString();
                ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMaskURI, task);
                List<URI> volumesInSG = _helper.findVolumesInStorageGroup(storage, childGroupName, volumeURIList);
                if (volumesInSG != null && !volumesInSG.isEmpty()) {
                    CIMArgument[] inArgs = _helper.getRemoveVolumesFromMaskingGroupInputArguments(storage, childGroupName, volumesInSG, forceFlag);
                    CIMArgument[] outArgs = new CIMArgument[5];
                    // If any of the volumes being removed are tied to RecoverPoint, we need to be aware that there
                    // might be some lag in terminating the remote copy session between VMAX and RP. So we need to
                    // catch a specific exception in this case and wait/retry.
                    boolean containsRPVolume = false;
                    // RecoverPoint related.
                    for (URI boUri : volumesInSG) {
                        if (URIUtil.isType(boUri, Volume.class)) {
                            Volume volume = _dbClient.queryObject(Volume.class, boUri);
                            if (volume != null && (volume.checkForRp() || RPHelper.isAssociatedToAnyRpVplexTypes(volume, _dbClient))) {
                                // Determined that the volume is RP related
                                containsRPVolume = true;
                                break;
                            }
                        }
                    }
                    // Initialize the retry/attempt variables
                    int attempt = 0;
                    int retries = 1;
                    if (containsRPVolume) {
                        // If we are dealing with an RP volume, we need to set the retry count appropriately
                        retries = MAX_RP_RETRIES;
                    }
                    while (attempt++ <= retries) {
                        try {
                            _helper.invokeMethodSynchronously(storage, _cimPath.getControllerConfigSvcPath(storage), "RemoveMembers", inArgs, outArgs, new SmisMaskingViewRemoveVolumeJob(null, storage.getId(), volumePaths, parentGroupName, childGroupName, _cimPath, completer));
                            // If the invoke succeeds without exception, break out of the retry loop.
                            break;
                        } catch (SmisException se) {
                            if (attempt != retries && containsRPVolume && se.getMessage().contains(COPY_SESSION_ERROR)) {
                                // There is some delay in terminating the remote copy session between VMAX and
                                // RecoverPoint
                                // so we need to wait and retry.
                                _log.warn(String.format("Encountered exception during attempt %s/%s to remove volumes %s from export group.  Waiting %s milliseconds before trying again.  Error: %s", attempt, MAX_RP_RETRIES, volumesInSG.toString(), RP_WAIT_FOR_RETRY, se.getMessage()));
                                try {
                                    Thread.sleep(RP_WAIT_FOR_RETRY);
                                } catch (InterruptedException e1) {
                                    Thread.currentThread().interrupt();
                                }
                            } else {
                                // This is not RP related so just re-throw the exception instead of retrying.
                                throw se;
                            }
                        }
                    }
                    if (isVmax3) {
                        // we need to add volumes to parking storage group
                        URI blockObjectURI = volumeURIList.get(0);
                        String policyName = _helper.getVMAX3FastSettingForVolume(blockObjectURI, null);
                        addVolumesToParkingStorageGroup(storage, policyName, volumeDeviceIds);
                    }
                } else {
                    completer.ready(_dbClient);
                }
            }
            taskCompleter.ready(_dbClient);
        }
    } catch (Exception e) {
        _log.error(String.format("removeVolumes failed - maskName: %s", exportMaskURI.toString()), e);
        ServiceError serviceError = null;
        if (null != e.getMessage() && e.getMessage().contains("FAST association cannot have an empty storage group")) {
            serviceError = DeviceControllerException.errors.concurrentRemoveFromSGCausesEmptySG(e);
        } else {
            serviceError = DeviceControllerException.errors.jobFailed(e);
        }
        taskCompleter.error(_dbClient, serviceError);
    }
    _log.info("{} removeVolumes END...", storage.getSerialNumber());
}

Example 5 with ExportMaskVolumeToStorageGroupCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.ExportMaskVolumeToStorageGroupCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method addVolumesToPhantomStorageGroup.

/**
 * Adds the volumes to new or existing phantom storage group which is associated with given policy.
 * This is used internally for operation - change volume's policy by moving them from one vPool to another.
 */
private void addVolumesToPhantomStorageGroup(StorageSystem storage, ExportMask exportMask, List<URI> volumesInSG, String newPolicyName, String childGroupName, TaskCompleter taskCompleter, boolean forceFlag) throws Exception {
    // Check to see if there already is a phantom storage group with this policy on the array
    StorageGroupPolicyLimitsParam phantomStorageGroupPolicyLimitsParam = new StorageGroupPolicyLimitsParam(newPolicyName);
    List<String> phantomStorageGroupNames = _helper.findPhantomStorageGroupAssociatedWithFastPolicy(storage, phantomStorageGroupPolicyLimitsParam);
    VolumeURIHLU[] volumeURIHlus = constructVolumeURIHLUFromURIList(volumesInSG, newPolicyName);
    // If there's no existing phantom storage group, create one.
    if (phantomStorageGroupNames == null || phantomStorageGroupNames.isEmpty()) {
        String phantomStorageGroupName = generateNewNameForPhantomSG(storage, childGroupName, phantomStorageGroupPolicyLimitsParam);
        // We need to create a new phantom storage group with our policy associated with it.
        _log.info("phantom storage group {} doesn't exist, creating a new group", phantomStorageGroupName);
        CIMObjectPath phantomStorageGroupCreated = createVolumeGroup(storage, phantomStorageGroupName, volumeURIHlus, taskCompleter, true);
        _log.info("Adding Storage Group {} to Fast Policy {}", phantomStorageGroupName, newPolicyName);
        addVolumeGroupToAutoTieringPolicy(storage, newPolicyName, phantomStorageGroupCreated, taskCompleter);
    } else {
        // take the first matching phantom SG from the list
        String phantomStorageGroupName = phantomStorageGroupNames.get(0);
        // We found a phantom storage group with our policy, use it.
        _log.info("Found that we need to add volumes to the phantom storage group: {}", phantomStorageGroupName);
        // Create a relatively empty completer associated with the export mask. We don't have the export group
        // at this level, so there's nothing decent to attach the completer to anyway.
        String task = UUID.randomUUID().toString();
        ExportMaskVolumeToStorageGroupCompleter completer = new ExportMaskVolumeToStorageGroupCompleter(null, exportMask.getId(), task);
        SmisMaskingViewAddVolumeJob job = new SmisMaskingViewAddVolumeJob(null, storage.getId(), exportMask.getId(), volumeURIHlus, null, completer);
        job.setCIMObjectPathfactory(_cimPath);
        _helper.addVolumesToStorageGroup(volumeURIHlus, storage, phantomStorageGroupName, job, forceFlag);
        ExportOperationContext.insertContextOperation(taskCompleter, VmaxExportOperationContext.OPERATION_ADD_VOLUMES_TO_STORAGE_GROUP, phantomStorageGroupName, volumeURIHlus, forceFlag);
        _log.info("Adding Volumes to Phantom Storage Group {}", phantomStorageGroupName);
    }
}