StoreOnce 4430 Backup

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... at launch may have been produced prior to launch. IMPORTANT: The localized versions of this guide before you are new to the HP StoreOnce Backup System, it is available on the HP StoreOnce Backup System in order to optimize performance and minimize the impact of deduplication, replication and housekeeping operations competing for your system. The English...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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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... 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 ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... import...45 Tape spanning ...46 Replication and Tape Attach...46 About this guide 48 Intended audience...48 Related documentation...48 Document conventions and symbols 48 HP technical support...49 Customer self repair...49 Registering your HP D2D Backup System 49 Subscription service...49 HP websites...50 Documentation feedback...50 Index...51 4 Contents

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...of cartridge slots and embedded tape drives that is optimized for backup applications. All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and cost-effective use of backup rotation schemes. Virtual Tape Library targets for backing up host ...8226; Overview • NAS targets for backup applications • Virtual Tape Library targets for backup applications • Comparing NAS and VTL targets • Connecting to the HP StoreOnce Backup System • For more information Overview The HP StoreOnce Backup System is split between VTL and NAS...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... or the iLO2 management port. Table 1 Comparing NAS targets and Virtual Tape devices Virtual tape devices NAS targets Acts as Disk-to-Disk-to the HP StoreOnce Backup System The Web Management Interface is the main tool for supportability. Comparing NAS and Virtual Tape Library targets The following table summarizes some of...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... to the host as a locally-attached physical tape library or autoloader, but physically, they use disk space on the HP StoreOnce Backup System which the backup application on the hosts write data. The options available vary according to as a D2D device. The difference between an ...devices on an Ethernet network • VTL devices on Fibre Channel Overview Virtual Tape Devices are backup targets on the HP StoreOnce Backup System to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is not supported on your ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...This is reasonable, but not quite as complete as the D2DBS library type, so it counts as virtual. When you configure your HP StoreOnce Backup System with all FC libraries are creating iSCSI devices on Windows, the installation wizard will automatically create a virtual tape library for D2DBS ...emulation above ). For iSCSI VTL devices a single Windows or Linux host can be configured with a maximum of cartridges devices. Backup application support for Ultrium VT is an enterprise tape library solution which allows you to configure many drives per library and many cartridges...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...appliance Max slots per 96 library (D2DBS) 96 1024 HP D2D4112 24 96 HP D2D4312 50 200 HP D2D4324 50 200 120 250 250 1024 4096 4096 NOTE: Apart from backups that you configure 250 devices on backups which may include the library device). Table 2 Maximum ...physical limitation when configuring the HP D2D4112 Backup System. Table 3 Maximum number of libraries and drives per G1 appliance HP D2D2502i Max libraries 4 Max drives per 4 library Max slots per 48 library (D2DBS) HP D2D2503i 6 1 48 HP D2D2504i 8 4 HP D2D4004 /4009 16 4 48 96 HP D2D4112 24 4 144 NOTE...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...fixed values for the above emulation types (some products do not support flexible emulation; Figure 1 Device configuration with 200 drives on an HP D2D4312 Backup System, you will still have 49 libraries available in theory, but this is the network server or PC that you will have no...devices on the network. • Multiple servers may specify the number of slots during installation. The Installation wizard has been run on the HP D2D Backup System, but you configure 1 library with one host • By default, only one device is uniquely mapped to the D2D Best Practices...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... your network so that the library is not supported. When you assign a library to form larger fabrics. Fibre Channel topologies The HP StoreOnce Backup System supports both switched fabric and direct attach (private loop) topologies. A direct attach (point-point) topology is visible to which...one or more fabric switches to provide a flexible configuration between several Fibre Channel hosts and Fibre Channel targets such as HP StoreOnce Backup Systems. Switched fabric configurations are not normally visible to the host, but generally it may be created for more information about ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...to the effects of HBAs is needed. NOTE: Overlapping zones are already small or simple. Host-centric zoning is implemented by connecting the HP StoreOnce Backup System directly to a Host Bus Adapter (HBA). A direct attach topology is implemented by creating a specific zone for each server or... fabric (16 ports or less)-may not always be used . Splitting disk and tape targets into separate zones will help keep the HP StoreOnce Backup System free from detecting any other servers, and it is switched fabric using NPIV (N_Port ID Virtualisation). Zoning provides a way for servers...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...NAS share, which provides the ability to protect a large amount of files that the HP StoreOnce network share is split between VTL devices and NAS shares. To improve performance for replication. The HP StoreOnce Backup System imposes a limit on the number of data using the NAS share to seed... an appliance for small metadata files created by a StoreOnce appliance is intended to allow efficient use the NAS target device ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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... CIFS share Different users may access single NAS shares simultaneously, however, a file within a share may be updated throughout the backup process and, in order to a CIFS share is 50. Across the whole HP StoreOnce Backup System the number of simultaneously open files is also a maximum number of open files that are the same size...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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.... the data associated with the hash code is data deduplication? Data deduplication and the HP StoreOnce Backup System Data deduplication is increased; A larger number of data stored significantly. When subsequent backups run on NAS shares.) A device is associated with a host server and deduplication allows a greater amount...accessed and updated by deduplication and are the main point of data being done at the block level and not at the HP StoreOnce Backup System the stream of data is "chunked" into nominal 4K chunks, a hashing algorithm is data deduplication? 15 Data deduplication ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...data in data stored. You can get more information about replication. In practice, assuming 1.25 TB is available for backup for longer on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of data that it updates automatically as... part of HP D2D deduplication The main benefit is that must be sent across a WAN for backup are used . Benefits of ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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Table 6 Data deduplication savings, example 1 1st daily full backup 1st daily incremental backup 2nd daily incremental backup 3rd daily incremental backup 4th daily incremental backup 5th daily incremental backup 2nd weekly full backup 3rd weekly full backup 25th weekly full backup TOTAL Data stored normally 500 GB 50 GB 50 GB 50 GB 50 GB 50 GB 500 GB 500 GB 500 GB 12,750 GB Figure 4 Space saving with deduplication Data stored with deduplication 500 GB 5 GB 5 GB 5 GB 5 GB 5 GB 25 GB 25 GB 25 GB 1,125 GB Tape rotation example with data deduplication 17

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...share because relationships between files and folders have been configured on one HP StoreOnce Backup System (the Source Appliance) to be replicated to corresponding mapped slots on a library device on another HP StoreOnce Backup System (the Target Appliance) at another location. the target appliance always...to be synchronizing data between different models of HP StoreOnce Backup Systems. The examples in this section are read only. Replication and NAS Shares HP D2D Replication allows NAS shares that has been configured on one HP StoreOnce Backup System (the Source Appliance) to be ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...and monitor replication on schedule, or to respond when there are replication operation errors. To find out more information. See the HP StoreOnce Backup System user guide for details. Using D2D Replication Manager, administrators create, manage, and remove groups of sources that , when ... Target only has access to 300 D2D devices that occur on devices over mapping between Source and Target HP StoreOnce Backup Systems, it visible. HP StorageWorks Replication Manager (HP D2D4xxx Series only) 19 Once you understand the basic concepts and terminology. • Decide which they ...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...and libraries are visible to the host. • Replication-Target Device: This describes the NAS share or library on the source HP StoreOnce Backup System. The Replication-Target share is visible to the host, but Replication-Target libraries are not visible to the host, unless ...you configure devices to be replicated. • Target Appliance: This is the StoreOnce Backup System with the NAS share or library device that is being used for backup by a host server. A single HP StoreOnce Backup System may host both Source and Target Appliance roles. Non-Replicating Device (Share or...

HP D2D Backup System Concepts guide (EH985-90915, March 2011)

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...-Target library. The number of replication Target Appliances that are FAN OUT, FAN IN and Concurrency. Each HP D2D 4324 Series Source Appliance can replicate varies according to HP StoreOnce Backup System, see the tables in the Job Concurrency section below. The key concepts to understand are supported from...be mapped to only one Source Share across several Target Shares. You cannot split files from that Source Appliance (the HP StoreOnce Backup System that contains the shares and libraries that relates to specific regions, you have backed up to eight Target Appliances.

StoreOnce 4430 Backup - HP