Examples with RaidLevels com.emc.storageos.storagedriver.model.StoragePool.RaidLevels used on opensource projects

Example 1 with RaidLevels

use of com.emc.storageos.storagedriver.model.StoragePool.RaidLevels in project coprhd-controller by CoprHD.

the class HP3PARStorageDriver method discoverStoragePools.

/**
 * Get storage pool information and its capabilities
 */
@Override
public DriverTask discoverStoragePools(StorageSystem storageSystem, List<StoragePool> storagePools) {
    // For this 3PAR system
    _log.info("3PARDriver: discoverStoragePools information for storage system {}, nativeId {} - start", storageSystem.getIpAddress(), storageSystem.getNativeId());
    DriverTask task = createDriverTask(HP3PARConstants.TASK_TYPE_DISCOVER_STORAGE_POOLS);
    DeduplicationCapabilityDefinition dedupCapabilityDefinition = new DeduplicationCapabilityDefinition();
    try {
        // get Api client
        HP3PARApi hp3parApi = hp3parUtil.getHP3PARDeviceFromNativeId(storageSystem.getNativeId(), this.driverRegistry);
        // get storage pool details
        CPGCommandResult cpgResult = hp3parApi.getAllCPGDetails();
        // for each ViPR Storage pool = 3PAR CPG
        for (CPGMember currMember : cpgResult.getMembers()) {
            StoragePool pool = new StoragePool();
            String cpgName = currMember.getName();
            pool.setPoolName(cpgName);
            pool.setStorageSystemId(storageSystem.getNativeId());
            Set<Protocols> supportedProtocols = new HashSet<>();
            supportedProtocols.add(Protocols.iSCSI);
            supportedProtocols.add(Protocols.FC);
            pool.setProtocols(supportedProtocols);
            CPGSpaceCommandResult cpgSpaceResult = hp3parApi.getCPGSpaceDetails(cpgName);
            // CPG common space is space available to the CPG from the common pool
            Long cpgCommonSpace = cpgSpaceResult.getUsableFreeMiB().longValue();
            // CPG allocated capacity is what is currently allocated to the CPG
            Long cpgAllocatedCapacity = currMember.getUsrUsage().getTotalMiB().longValue() + currMember.getSAUsage().getTotalMiB().longValue() + currMember.getSDUsage().getTotalMiB().longValue();
            // CPG used capacity is what is currently used within the CPG
            Long cpgUsedCapacity = currMember.getUsrUsage().getUsedMiB().longValue() + currMember.getSAUsage().getUsedMiB().longValue() + currMember.getSDUsage().getUsedMiB().longValue();
            // CPG Free capacity is what is currently free within the CPG
            Long cpgFreeCapacity = cpgAllocatedCapacity - cpgUsedCapacity;
            // CPG total potentially usable capacity is the sum of these two
            // Here we are assuming that the CPG can potentially use all of the common capacity
            // Although in practice this is shared with all CPGs of the same type
            Long cpgTotalCapacity = cpgAllocatedCapacity + cpgCommonSpace;
            // We add the common space to the free capacity because it can also be used by the CPG
            cpgFreeCapacity += cpgCommonSpace;
            pool.setTotalCapacity(cpgTotalCapacity * HP3PARConstants.KILO_BYTE);
            pool.setFreeCapacity(cpgFreeCapacity * HP3PARConstants.KILO_BYTE);
            VolumesCommandResult volumesOfCpg = hp3parApi.getVolumesofCPG(cpgName);
            Long cpgSubscribedCapacity = (long) 0;
            Iterator<VolumeDetailsCommandResult> volIter = volumesOfCpg.getMembers().iterator();
            while (volIter.hasNext()) {
                cpgSubscribedCapacity += volIter.next().getSizeMiB();
            }
            pool.setSubscribedCapacity(cpgSubscribedCapacity * HP3PARConstants.KILO_BYTE);
            _log.info("3PARDriver: For CPG {}:", cpgName);
            _log.info("Number of volumes in CPG = {}", volumesOfCpg.getTotal());
            _log.info("Total Capacity = {} MB, Subscribed Capacity = {} MB, Free Capacity = {} MB", cpgTotalCapacity, cpgSubscribedCapacity, cpgFreeCapacity);
            // Note that subscribed capacity need not be equal to (total - free capacity) for thin pools
            pool.setOperationalStatus(currMember.getState() == 1 ? PoolOperationalStatus.READY : PoolOperationalStatus.NOTREADY);
            Set<RaidLevels> supportedRaidLevels = new HashSet<>();
            switch(currMember.getSDGrowth().getLDLayout().getRAIDType()) {
                case 1:
                    supportedRaidLevels.add(RaidLevels.RAID0);
                    break;
                case 2:
                    supportedRaidLevels.add(RaidLevels.RAID1);
                    break;
                case 3:
                    supportedRaidLevels.add(RaidLevels.RAID5);
                    break;
                case 4:
                    supportedRaidLevels.add(RaidLevels.RAID6);
                    break;
            }
            pool.setSupportedRaidLevels(supportedRaidLevels);
            if (currMember.getSDGrowth().getLDLayout().getDiskPatterns() == null) {
                _log.warn("3PARDriver: Neglecting storage pool {} as there is no disk associated with it", currMember.getName());
                continue;
            }
            Set<SupportedDriveTypes> supportedDriveTypes = new HashSet<>();
            for (int j = 0; j < currMember.getSDGrowth().getLDLayout().getDiskPatterns().size(); j++) {
                switch(currMember.getSDGrowth().getLDLayout().getDiskPatterns().get(j).getDiskType()) {
                    case 1:
                        supportedDriveTypes.add(SupportedDriveTypes.FC);
                        break;
                    case 2:
                        supportedDriveTypes.add(SupportedDriveTypes.NL_SAS);
                        break;
                    case 3:
                        supportedDriveTypes.add(SupportedDriveTypes.SSD);
                        break;
                }
            }
            pool.setSupportedDriveTypes(supportedDriveTypes);
            pool.setMaximumThinVolumeSize(16 * HP3PARConstants.MEGA_BYTE);
            pool.setMinimumThinVolumeSize(256 * HP3PARConstants.KILO_BYTE);
            pool.setMaximumThickVolumeSize(16 * HP3PARConstants.MEGA_BYTE);
            pool.setMinimumThickVolumeSize(256 * HP3PARConstants.KILO_BYTE);
            pool.setSupportedResourceType(SupportedResourceType.THIN_AND_THICK);
            pool.setPoolServiceType(PoolServiceType.block);
            // Storage object properties
            // SB SDK is not sending pool name in volume creation
            pool.setNativeId(currMember.getName());
            pool.setDeviceLabel(currMember.getName());
            pool.setDisplayName(currMember.getName());
            storageSystem.setAccessStatus(AccessStatus.READ_WRITE);
            // SDK requires initialization
            List<CapabilityInstance> capabilities = new ArrayList<>();
            // setting appropriate capability for dedup supported pool
            if (currMember.isDedupCapable()) {
                Boolean dedupEnabled = true;
                Map<String, List<String>> props = new HashMap<>();
                props.put(DeduplicationCapabilityDefinition.PROPERTY_NAME.ENABLED.name(), Arrays.asList(dedupEnabled.toString()));
                CapabilityInstance capabilityInstance = new CapabilityInstance(dedupCapabilityDefinition.getId(), dedupCapabilityDefinition.getId(), props);
                capabilities.add(capabilityInstance);
            }
            pool.setCapabilities(capabilities);
            _log.info("3PARDriver: added storage pool {}, native id {}", pool.getPoolName(), pool.getNativeId());
            storagePools.add(pool);
        }
        // for each storage pool
        task.setStatus(DriverTask.TaskStatus.READY);
        _log.info("3PARDriver: discoverStoragePools information for storage system {}, nativeId {} - end", storageSystem.getIpAddress(), storageSystem.getNativeId());
    } catch (Exception e) {
        String msg = String.format("3PARDriver: Unable to discover the storage pool information for storage system %s native id %s; Error: %s.\n", storageSystem.getSystemName(), storageSystem.getNativeId(), e);
        _log.error(msg);
        _log.error(CompleteError.getStackTrace(e));
        task.setMessage(msg);
        task.setStatus(DriverTask.TaskStatus.FAILED);
        e.printStackTrace();
    }
    return task;
}