HP D2D User Manual

Contents
1 Before you start..........................................................................................5
Overview................................................................................................................................5
NAS targets for backup applications...........................................................................................5
Virtual Tape Library targets for backup applications......................................................................5
Comparing NAS and Virtual Tape Library targets.........................................................................6
Connecting to the HP StoreOnce Backup System...........................................................................6
For more information.................................................................................................................6
2 Virtual Tape Devices...................................................................................7
Overview................................................................................................................................7
Emulation types........................................................................................................................7
Creating and configuring virtual tape devices...............................................................................8
Limitations on the number of devices.......................................................................................8
Flexible emulation (G2 products only)..........................................................................................9
VTL devices on an Ethernet network...........................................................................................10
Backup applications and Replication Target libraries...............................................................11
VTL devices on Fibre Channel...................................................................................................11
Fibre Channel topologies....................................................................................................11
Zoning.............................................................................................................................12
3 NAS shares.............................................................................................13
Operating system support........................................................................................................13
Backup application support......................................................................................................13
Maximum number of NAS shares.............................................................................................13
Maximum number of files per NAS share and appliance.............................................................13
Maximum number of users per CIFS share.................................................................................14
Maximum number of hosts per NFS share (G2 products only).......................................................14
4 Data deduplication...................................................................................15
What is data deduplication?....................................................................................................15
Data deduplication and the HP StoreOnce Backup System...........................................................15
Tape rotation example with data deduplication ..........................................................................16
5 Replication..............................................................................................18
Replication overview...............................................................................................................18
HP StorageWorks Replication Manager (HP D2D4xxx Series only)................................................19
Replication concepts and terminology.......................................................................................20
Replication deployment strategies.............................................................................................26
Replication Licensing...............................................................................................................28
Seeding the Target Appliance..................................................................................................29
Recovering a Source Appliance................................................................................................30
6 Housekeeping..........................................................................................33
What is housekeeping?...........................................................................................................33
What effect does housekeeping have on performance?...............................................................33
Why is housekeeping important?..............................................................................................33
What do I need to do?............................................................................................................33
Contents 3

HP D2D Specifications

General

Brand	HP
Model	D2D
Category	Storage
Language	English