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From jburwell <...@git.apache.org>
Subject [GitHub] cloudstack pull request: Taking fast and efficient volume snapshot...
Date Fri, 08 Apr 2016 19:30:33 GMT
Github user jburwell commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1403#discussion_r59077297
  
    --- Diff: engine/storage/datamotion/src/org/apache/cloudstack/storage/motion/StorageSystemDataMotionStrategy.java
---
    @@ -255,99 +448,153 @@ private Void handleCreateVolumeFromSnapshotBothOnStorageSystem(SnapshotInfo
snap
     
                 VolumeApiResult result = future.get();
     
    +            if (volumeDetail != null) {
    +                _volumeDetailsDao.remove(volumeDetail.getId());
    +            }
    +
                 if (result.isFailed()) {
                     s_logger.debug("Failed to create a volume: " + result.getResult());
     
                     throw new CloudRuntimeException(result.getResult());
                 }
    -        }
    -        catch (Exception ex) {
    -            throw new CloudRuntimeException(ex.getMessage());
    -        }
     
    -        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
    +            volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
     
    -        volumeInfo.processEvent(Event.MigrationRequested);
    +            volumeInfo.processEvent(Event.MigrationRequested);
     
    -        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
    +            volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
     
    -        HostVO hostVO = getHost(snapshotInfo.getDataStore().getId());
    +            if (useCloning) {
    +                copyCmdAnswer = performResignature(volumeInfo, hostVO);
    +            }
    +            else {
    +                // asking for a XenServer host here so we don't always prefer to use
XenServer hosts that support resigning
    +                // even when we don't need those hosts to do this kind of copy work
    +                hostVO = getHost(snapshotInfo.getDataCenterId(), false);
     
    -        String value = _configDao.getValue(Config.PrimaryStorageDownloadWait.toString());
    -        int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
    -        CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), volumeInfo.getTO(),
primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
    +                copyCmdAnswer = performCopyOfVdi(volumeInfo, snapshotInfo, hostVO);
    +            }
     
    -        CopyCmdAnswer copyCmdAnswer = null;
    +            if (copyCmdAnswer == null || !copyCmdAnswer.getResult()) {
    +                if (copyCmdAnswer != null && !StringUtils.isEmpty(copyCmdAnswer.getDetails()))
{
    +                    errMsg = copyCmdAnswer.getDetails();
    +                }
    +                else {
    +                    errMsg = "Unable to perform host-side operation";
    +                }
    +            }
    +        }
    +        catch (Exception ex) {
    --- End diff --
    
    Why are all checked and unchecked exceptions being caught?


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