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

Example 1 with SRDFLinkFailOverCompleter

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

the class SRDFOperations method failBackSyncPair.

/**
 * Target volume needs to be passed in, on which fail over happened.
 *
 * @param targetSystem
 * @param targetVolume
 * @param completer
 */
public void failBackSyncPair(final StorageSystem targetSystem, final Volume targetVolume, StorageSystem activeProviderSystem, final TaskCompleter completer) {
    checkTargetHasParentOrFail(targetVolume);
    Volume sourceVolume = getSourceVolume(targetVolume);
    try {
        StorageSystem activeSystem = findProviderWithGroup(targetVolume);
        SRDFOperationContext failBackCtx = getContextFactory(activeSystem).build(SRDFOperation.FAIL_BACK, targetVolume);
        failBackCtx.perform();
        // this hack is needed, as currently triggering fail over twice invokes failback
        if (completer instanceof SRDFLinkFailOverCompleter) {
            LinkStatus status = sourceVolume.hasConsistencyGroup() ? LinkStatus.CONSISTENT : LinkStatus.IN_SYNC;
            ((SRDFLinkFailOverCompleter) completer).setLinkStatus(status);
        }
        completer.ready(dbClient);
    } catch (Exception e) {
        log.error("Failed to fail back source volume {}", targetVolume.getSrdfParent().getURI(), e);
        ServiceError error = SmisException.errors.jobFailed(e.getMessage());
        completer.error(dbClient, error);
    }
}

Example 2 with SRDFLinkFailOverCompleter

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

the class SRDFOperations method performFailover.

public void performFailover(StorageSystem system, Volume target, TaskCompleter completer) {
    log.info("START performFailover");
    checkTargetHasParentOrFail(target);
    ServiceError error = null;
    try {
        Volume sourceVolume = getSourceVolume(target);
        StorageSystem sourceSystem = dbClient.queryObject(StorageSystem.class, sourceVolume.getStorageController());
        // for 4.6.x CG, only failback and swap are at group level. Failover has to be called at ModifyListSync.
        StorageSystem activeSystem = findProviderWithGroup(target);
        AbstractSRDFOperationContextFactory ctxFactory = getContextFactory(activeSystem);
        SRDFOperationContext ctx = null;
        if (!system.getUsingSmis80() && !isFailedOver(activeSystem, sourceVolume, target)) {
            log.info("Failing over link");
            ctx = ctxFactory.build(SRDFOperation.FAIL_OVER, target);
            ctx.perform();
        } else {
            invokeFailOverStrategy(sourceSystem, target);
        }
        if (completer instanceof SRDFLinkFailOverCompleter) {
            // Re-check the fail over status.
            LinkStatus status = null;
            if (isFailedOver(activeSystem, sourceVolume, target)) {
                status = LinkStatus.FAILED_OVER;
            } else {
                status = sourceVolume.hasConsistencyGroup() ? LinkStatus.CONSISTENT : LinkStatus.IN_SYNC;
            }
            ((SRDFLinkFailOverCompleter) completer).setLinkStatus(status);
        }
    } catch (Exception e) {
        log.error("Failed to failover srdf link {}", target.getSrdfParent().getURI(), e);
        error = SmisException.errors.jobFailed(e.getMessage());
    } finally {
        if (error == null) {
            completer.ready(dbClient);
        } else {
            completer.error(dbClient, error);
        }
    }
}

Example 3 with SRDFLinkFailOverCompleter

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

the class SRDFDeviceController method performProtectionOperation.

@Override
public void performProtectionOperation(final URI systemUri, final Copy copy, final String op, final String task) throws InternalException {
    TaskCompleter completer = null;
    try {
        // The call to WorkflowStepCompleter is a nop if not in a Workflow; it indicates execution began.
        WorkflowStepCompleter.stepExecuting(task);
        URI sourceVolumeUri = null;
        StorageSystem system = dbClient.queryObject(StorageSystem.class, systemUri);
        Volume volume = dbClient.queryObject(Volume.class, copy.getCopyID());
        List<String> targetVolumeUris = new ArrayList<String>();
        List<URI> combined = new ArrayList<URI>();
        if (PersonalityTypes.SOURCE.toString().equalsIgnoreCase(volume.getPersonality())) {
            targetVolumeUris.addAll(volume.getSrdfTargets());
            sourceVolumeUri = volume.getId();
            combined.add(sourceVolumeUri);
            combined.addAll(transform(volume.getSrdfTargets(), FCTN_STRING_TO_URI));
        } else {
            sourceVolumeUri = volume.getSrdfParent().getURI();
            targetVolumeUris.add(volume.getId().toString());
            combined.add(sourceVolumeUri);
            combined.add(volume.getId());
        }
        /**
         * Async WITHOUT CG
         * SRDF operations will be happening for all volumes available on ra group.
         * Hence adding the missing source volume ids in the taskCompleter to change the accessState and linkStatus field.
         */
        Volume targetVol = null, sourceVol = null;
        sourceVol = dbClient.queryObject(Volume.class, sourceVolumeUri);
        Iterator<String> taregtVolumeUrisIterator = targetVolumeUris.iterator();
        if (taregtVolumeUrisIterator.hasNext()) {
            targetVol = dbClient.queryObject(Volume.class, URI.create(taregtVolumeUrisIterator.next()));
            if (targetVol != null && Mode.ASYNCHRONOUS.toString().equalsIgnoreCase(targetVol.getSrdfCopyMode()) && !targetVol.hasConsistencyGroup()) {
                List<Volume> associatedSourceVolumeList = utils.getRemainingSourceVolumesForAsyncRAGroup(sourceVol, targetVol);
                for (Volume vol : associatedSourceVolumeList) {
                    if (!combined.contains(vol.getId())) {
                        combined.add(vol.getId());
                    }
                }
            }
        }
        SRDFUtils.addSRDFCGVolumesForTaskCompleter(sourceVolumeUri, dbClient, combined);
        log.info("Combined ids : {}", Joiner.on("\t").join(combined));
        if (op.equalsIgnoreCase("failover")) {
            completer = new SRDFLinkFailOverCompleter(combined, task);
            getRemoteMirrorDevice().doFailoverLink(system, volume, completer);
        } else if (op.equalsIgnoreCase("failover-cancel")) {
            completer = new SRDFLinkFailOverCancelCompleter(combined, task);
            getRemoteMirrorDevice().doFailoverCancelLink(system, volume, completer);
        } else if (op.equalsIgnoreCase("swap")) {
            Volume.LinkStatus successLinkStatus = Volume.LinkStatus.SWAPPED;
            if ((Volume.LinkStatus.SWAPPED.name().equalsIgnoreCase(volume.getLinkStatus()))) {
                // Already swapped. Move back to CONSISTENT or IN_SYNC.
                if (targetVol != null && Mode.ASYNCHRONOUS.name().equalsIgnoreCase(targetVol.getSrdfCopyMode())) {
                    successLinkStatus = Volume.LinkStatus.CONSISTENT;
                } else {
                    successLinkStatus = Volume.LinkStatus.IN_SYNC;
                }
            }
            completer = new SRDFSwapCompleter(combined, task, successLinkStatus);
            updateCompleterWithConsistencyGroup(completer, volume);
            getRemoteMirrorDevice().doSwapVolumePair(system, volume, completer);
        } else if (op.equalsIgnoreCase("pause")) {
            completer = new SRDFLinkPauseCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doSplitLink(targetSystem, targetVolume, false, completer);
            }
        } else if (op.equalsIgnoreCase("suspend")) {
            completer = new SRDFLinkSuspendCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doSuspendLink(targetSystem, targetVolume, false, true, completer);
            }
        } else if (op.equalsIgnoreCase("resume")) {
            completer = new SRDFLinkResumeCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doResumeLink(targetSystem, targetVolume, true, completer);
            }
        } else if (op.equalsIgnoreCase("start")) {
            completer = new SRDFLinkStartCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doStartLink(targetSystem, targetVolume, completer);
            }
        } else if (op.equalsIgnoreCase("sync")) {
            completer = new SRDFLinkSyncCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doSyncLink(targetSystem, targetVolume, completer);
            }
        } else if (op.equalsIgnoreCase("stop")) {
            completer = new SRDFLinkStopCompleter(combined, task);
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doStopLink(targetSystem, targetVolume, completer);
            }
        } else if (op.equalsIgnoreCase("change-copy-mode")) {
            completer = new SRDFChangeCopyModeTaskCompleter(combined, task, copy.getCopyMode());
            for (String target : targetVolumeUris) {
                Volume targetVolume = dbClient.queryObject(Volume.class, URI.create(target));
                StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, targetVolume.getStorageController());
                getRemoteMirrorDevice().doChangeCopyMode(targetSystem, targetVolume, completer);
            }
        }
    } catch (Exception e) {
        log.error("Failed operation {}", op, e);
        completeAsError(completer, DeviceControllerException.errors.jobFailed(e), task);
    }
}