1. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Movers Upon completion of this module, you should be able to: Describe Virtual Data Mover and its benefits and operations Create and manage Virtual Data Movers on a VNX system Virtual Data Movers1

2. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Movers During this lesson the following topics are covered: VNX Virtual Data Mover (VDM) feature overview Benefits that VDMs provide to CIFS and NFS file storage VDM operations Lesson 1: Virtual Data Mover Overview Virtual Data Movers2

3. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Mover Overview Virtual Data Movers 3 Virtual Data Mover VDM Root File System NFS Server NFS Server CIFS Server A “software” Data Mover Supports:  Multiple CIFS servers  An NFS server for single domain namespace Access data file system(s) and:  Shares for CIFS servers  Exports for NFS server A “virtual container”  Holds configuration data for CIFS and NFS servers, shares and exports  Portable - can be moved or replicated to another physical Data Mover Data File System

4. Copyright © 2014 EMC Corporation. All Rights Reserved. Root file system: root_fs_ Mounted data file systems CIFS server specific data:  CIFS server configurations  Local Group DB  Kerberos Information  CIFS share DB  Home directory information  Audit and event logs  Secmap NFS server specific data:  NFS server endpoint and exports  Name resolvers and STATD hostname Configuration held within each VDM Virtual Data Movers4 CIFS Server names and interfaces Local Groups database Kerberos Information CIFS share database Home Directories Event logs NFS server endpoint and namespace STATD hostname NFS exports Interfaces Virtual Data Mover root_fs_vdm_1 Secmap NFS Server NFS Server CIFS Server data_FS

5. Copyright © 2014 EMC Corporation. All Rights Reserved. Data Mover Feature & Configuration Information Virtual Data Movers 5 Feature/Config Info PhysicalVirtual FTP/SFTP/FTPSYesNo DNS/NIS/NTP/RoutingYesNo Network InterfacesYesNo InternationalizationYesNo Virus CheckerYesNo Local passwd & group filesYesNo Primary/Secondary UsermapperYesNo Standby Data MoverYesNo ParametersYesNo Start/Stop CIFSYesNo Usermapper clientYes SecmapYes File SystemsYes NFSYes CIFS info (Local groups, shares, home dirs, interface & server names, audit logs, Kerberos) Yes

6. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Mover Benefits Ease of management of CIFS servers Server isolation and security Independent CIFS configurations on the same Data Mover Load balancing Migration and replication solution NFS multiple domain solution Virtual Data Movers 6

7. Copyright © 2014 EMC Corporation. All Rights Reserved. The physical Data Mover has the VDM root file system mounted The VDM’s NFS and CIFS servers are available on interfaces The VDM has the data file system mounted to its root file system Virtual Data Mover NIS, DNS & NTP Client NFS Server NFS Server Interface CIFS Server Operational Virtual Data Mover Virtual Data Movers 7 Root File System / / DataFS /share / Configuration Files root_fs_vdm_1 /DataFS Mount NFS Server NFS Server CIFS Server /export Interface /root_vdm_1 Physical Data Mover Mount

8. Copyright © 2014 EMC Corporation. All Rights Reserved. Storage > Shared Folders > CIFS > VDMs > Properties VDM is moved to another physical Data Mover  VDM unmounts data file systems  VDM unloads from source physical Data Mover  VDM loads on target physical Data Mover  VDM mounts data file systems Moving a VDM Virtual Data Movers 8

9. Copyright © 2014 EMC Corporation. All Rights Reserved. Storage > Shared Folders > CIFS > VDMs > Properties VDM Stops running on physical Data Mover Unloading a VDM Virtual Data Movers 9  Data file system(s) must be unmounted from VDM  VDM stops access to Data Mover resources  VDM NFS/CIFS servers stop  Data Mover unmounts VDM root file system

10. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Movers During this lesson the following topics were covered: VNX Virtual Data Mover (VDM) feature overview Benefits that VDMs provide to CIFS and NFS file storage VDM operations Lesson 1: Summary Virtual Data Movers10

11. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Movers During this lesson the following topics are covered: Virtual Data Mover creation VDM states VDM Implementation considerations for: Naming Internationalization NFS Portability Lesson 2: Create and Manage Virtual Data Movers Virtual Data Movers11

12. Copyright © 2014 EMC Corporation. All Rights Reserved. Creating a VDM via Unisphere Virtual Data Movers 12 Storage > Shared Folders > CIFS > VDMs > Create

13. Copyright © 2014 EMC Corporation. All Rights Reserved. VDM States Virtual Data Movers 13 Loaded – normal operational state Mounted – read-only state Unloaded – inactive state

14. Copyright © 2014 EMC Corporation. All Rights Reserved. Summary of VDM States Virtual Data Movers 14 VDM State NFS/CIFS Servers active? VDM root file system state? Data file system state? VDM reloaded at boot? Loaded (Default) Yes Mounted (read/write) AccessibleYes MountedNo Mounted (read-only) InaccessibleNo TempUnloadedNoUnmountedInaccessibleYes PermUnloadedNoUnmountedInaccessibleNo

15. Copyright © 2014 EMC Corporation. All Rights Reserved. VDM Naming Considerations VDM names must be unique  Avoid VDM name conflicts within VNX and if replicating to another VNX system  Renaming a VDM renames its root file system. Virtual Data Movers 15 Replicator

16. Copyright © 2014 EMC Corporation. All Rights Reserved. Internationalization Mode Considerations When created, VDM is set to internationalization mode of source physical Data Mover  When VDM is moved or replicated, target Data Mover internationalization mode must match VDM’s mode Virtual Data Movers 16 Unicode ASCII Unicode Unicode

17. Copyright © 2014 EMC Corporation. All Rights Reserved. NFSv3/v4 TCP Considerations for NFS on VDMs VDM supports NFSv3 and NFSv4 over TCP protocol  UDP not supported Supports a single NFS domain naming space per VDM NFS configuration on VDMs is performed with CLI only  Refer to Configuring Virtual Data Movers on VNX document Virtual Data Movers 17

18. Copyright © 2014 EMC Corporation. All Rights Reserved. VDM Portability Considerations Networks and network services for source and target Data Movers  DNS/LDAP/NIS, NTP  Interface names for NFS and CIFS servers Disk volumes and file systems Virtual Data Movers 18 DNS NTP LDAP NIS

19. Copyright © 2014 EMC Corporation. All Rights Reserved. Virtual Data Movers During this lesson the following topics were covered: Virtual Data Mover creation VDM states VDM Implementation considerations Lesson 2: Summary Virtual Data Movers19

20. Copyright © 2014 EMC Corporation. All Rights Reserved. Summary Key points covered in this module: A Virtual Data Mover (VDM) is a VNX software-based Data Mover Considerations for implementing VDMs include:  Naming  Internationalization  Portability Virtual Data Movers20