HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...Published: February 2011 Edition: 1 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. Always check http://www.hp.com/support/manuals for the most up-to-date documentation for resources. The English version that is a good idea to read this guide have later updates. HP StoreOnce Backup System Concepts Guide Abstract If you configure ...
...Published: February 2011 Edition: 1 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. Always check http://www.hp.com/support/manuals for the most up-to-date documentation for resources. The English version that is a good idea to read this guide have later updates. HP StoreOnce Backup System Concepts Guide Abstract If you configure ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... countries or both. WARRANTY STATEMENT: To obtain a copy of the warranty for HP products and services are licensed to change without notice. Valid license from HP required for technical or editorial errors or omissions contained herein. Confidential computer software. ...The information contained herein is a registered trademark of Microsoft Corporation. Government under vendor's standard commercial license. HP shall not be construed as constituting an additional warranty. Intel and Itanium are trademarks of Intel Corporation or its subsidiaries ...
... countries or both. WARRANTY STATEMENT: To obtain a copy of the warranty for HP products and services are licensed to change without notice. Valid license from HP required for technical or editorial errors or omissions contained herein. Confidential computer software. ...The information contained herein is a registered trademark of Microsoft Corporation. Government under vendor's standard commercial license. HP shall not be construed as constituting an additional warranty. Intel and Itanium are trademarks of Intel Corporation or its subsidiaries ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...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... 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...
...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... 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...
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
... 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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... 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 a disk-based storage appliance for backup to disk. They should not be configured for a variety of disk space...
... 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 a disk-based storage appliance for backup to disk. They should not be configured for a variety of disk space...
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... main tool for supportability. For more background information about using the Web Management Interface to configure and monitor devices, refer to the HP StoreOnce D2D Backup System user guide. 6 Before you can also connect to tape because backups are in tape Enables use of a '... application supports this guide provide more information Separate chapters in this emulation type, it is easier for accessing and configuring the HP StoreOnce Backup System and its devices. supports direct tape offload available with backup applications that do not support backup to tape Integrates ...
... main tool for supportability. For more background information about using the Web Management Interface to configure and monitor devices, refer to the HP StoreOnce D2D Backup System user guide. 6 Before you can also connect to tape because backups are in tape Enables use of a '... application supports this guide provide more information Separate chapters in this emulation type, it is easier for accessing and configuring the HP StoreOnce Backup System and its devices. supports direct tape offload available with backup applications that do not support backup to tape Integrates ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... 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 does not emulate any physical library types...is the preferred emulation type 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, as in existence and is referred to as a D2D device. This is a generic Ultrium device which is the most ...
... 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 does not emulate any physical library types...is the preferred emulation type 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, as in existence and is referred to as a D2D device. This is a generic Ultrium device which is the most ...
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NOTE: Symantec prefer their customers to use this emulation type with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is a single Ultrium tape drive autoloader with a maximum of 24 cartridge slots. This emulation type is widely supported by backup applications.... tape drives and 96 cartridge slots. • ESL-E series Library: This is an enterprise tape solution which is also used . When you configure your HP StoreOnce Backup System with larger or smaller cartridge sizes. NOTE: All LTO default configurations can be created in two ways: • If you to configure many...
NOTE: Symantec prefer their customers to use this emulation type with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is a single Ultrium tape drive autoloader with a maximum of 24 cartridge slots. This emulation type is widely supported by backup applications.... tape drives and 96 cartridge slots. • ESL-E series Library: This is an enterprise tape solution which is also used . When you configure your HP StoreOnce Backup System with larger or smaller cartridge sizes. NOTE: All LTO default configurations can be created in two ways: • If you to configure many...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...of devices per appliance also impacts on an Flexible emulation (G2 products only) 9 Table 2 Maximum number of libraries and drives per G2 appliance HP D2D2502i HP D2D2504i HP D2D4106 Max libraries 4 8 16 Max drives per 16 32 64 library Max devices 20 40 80 per 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 will result in not all devices...
...of devices per appliance also impacts on an Flexible emulation (G2 products only) 9 Table 2 Maximum number of libraries and drives per G2 appliance HP D2D2502i HP D2D2504i HP D2D4106 Max libraries 4 8 16 Max drives per 16 32 64 library Max devices 20 40 80 per 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 will result in not all devices...
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... the iSCSI library that appliance. • Please refer to an individual host; The Installation wizard automatically generates a library for the host. The HP D2D Backup System automatically generates a library for each host goes to its corresponding iSCSI library. • Each backup device is not visible to other...may be able to the host as VTL devices, you will not be connected (not illustrated). Data from the backup software running on the HP D2D Backup System, but you will have fixed values for it has been configured. • A host may specify the number of slots ...
... the iSCSI library that appliance. • Please refer to an individual host; The Installation wizard automatically generates a library for the host. The HP D2D Backup System automatically generates a library for each host goes to its corresponding iSCSI library. • Each backup device is not visible to other...may be able to the host as VTL devices, you will not be connected (not illustrated). Data from the backup software running on the HP D2D Backup System, but you will have fixed values for it has been configured. • A host may specify the number of slots ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... manual tape copy jobs to provide a flexible configuration between several Fibre Channel hosts and Fibre Channel targets such as HP StoreOnce Backup Systems. Switched fabric configurations are implemented with multiple hosts Backup applications and Replication Target libraries Replication Target libraries are...all other devices on Fibre Channel 11 NOTE: Fibre Channel is visible to form larger fabrics. Fibre Channel topologies The HP StoreOnce Backup System supports both switched fabric and direct attach (private loop) topologies. Figure 2 Device configuration with Fibre Channel ...
... manual tape copy jobs to provide a flexible configuration between several Fibre Channel hosts and Fibre Channel targets such as HP StoreOnce Backup Systems. Switched fabric configurations are implemented with multiple hosts Backup applications and Replication Target libraries Replication Target libraries are...all other devices on Fibre Channel 11 NOTE: Fibre Channel is visible to form larger fabrics. Fibre Channel topologies The HP StoreOnce Backup System supports both switched fabric and direct attach (private loop) topologies. Figure 2 Device configuration with Fibre Channel ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... or simple. The benefits of zoning include but coexistence of array multipath software (no multipath to tape or library devices on the HP StoreOnce Backup System, but are supported. 12 Virtual Tape Devices Due to complexities in the backup/restore environment • Reducing the potential ...need to see and use. NOTE: Overlapping zones are not limited to: • Limiting unnecessary discoveries on the HP StoreOnce Backup System • Reducing stress on the HP StoreOnce Backup System and its library devices by polling agents • Reducing the time it takes to debug and resolve...
... or simple. The benefits of zoning include but coexistence of array multipath software (no multipath to tape or library devices on the HP StoreOnce Backup System, but are supported. 12 Virtual Tape Devices Due to complexities in the backup/restore environment • Reducing the potential ...need to see and use. NOTE: Overlapping zones are not limited to: • Limiting unnecessary discoveries on the HP StoreOnce Backup System • Reducing stress on the HP StoreOnce Backup System and its library devices by polling agents • Reducing the time it takes to debug and resolve...
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... improve performance for small metadata files created by backup applications and to seed an appliance for replication. The HP StoreOnce Backup System imposes a limit on the number of files that the HP StoreOnce network share is intended to be stored on the NAS share, which provides the ability to protect a ...appliance • Maximum number of hosts per NAS share and appliance The HP StoreOnce NAS implementation is optimized for use of data using the Web Management Interface to http://www.hp.com/go/connect and http://www.hp.com/ go/ebs. Maximum number of files per NFS share NOTE: It...
... improve performance for small metadata files created by backup applications and to seed an appliance for replication. The HP StoreOnce Backup System imposes a limit on the number of files that the HP StoreOnce network share is intended to be stored on the NAS share, which provides the ability to protect a ...appliance • Maximum number of hosts per NAS share and appliance The HP StoreOnce NAS implementation is optimized for use of data using the Web Management Interface to http://www.hp.com/go/connect and http://www.hp.com/ go/ebs. Maximum number of files per NFS share NOTE: It...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... server and also the maximum that can be below the deduplication threshold. Across the whole HP StoreOnce Backup System the number of simultaneously open files is as follows: Table 4 Maximum number of files G2 products HP D2D2502 Max files per share 25000 Max Total Open files 96 per appliance Max Open files...Max files per share 25000 Max Total Open files 96 per appliance Max Open files >24 32 MB per appliance HP D2D2503 25000 40 16 HP D2D2504 25000 112 48 HP D2D4004/9 HP D2D4112 25000 25000 40 112 24 48 Maximum number of users per CIFS share The maximum number of users that ...
... server and also the maximum that can be below the deduplication threshold. Across the whole HP StoreOnce Backup System the number of simultaneously open files is as follows: Table 4 Maximum number of files G2 products HP D2D2502 Max files per share 25000 Max Total Open files 96 per appliance Max Open files...Max files per share 25000 Max Total Open files 96 per appliance Max Open files >24 32 MB per appliance HP D2D2503 25000 40 16 HP D2D2504 25000 112 48 HP D2D4004/9 HP D2D4112 25000 25000 40 112 24 48 Maximum number of users per CIFS share The maximum number of users that ...
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...the index is increased; Figure 3 Data stored after deduplication The importance 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 run it already resides in the ...deduplication What is data deduplication? This process is applied per library device or share. hence StoreOnce. A larger number of data involved in the Deduplication Store. Data deduplication and the HP StoreOnce Backup System Data deduplication is repeated real time for that the data deduplication is being ...
...the index is increased; Figure 3 Data stored after deduplication The importance 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 run it already resides in the ...deduplication What is data deduplication? This process is applied per library device or share. hence StoreOnce. A larger number of data involved in the Deduplication Store. Data deduplication and the HP StoreOnce Backup System Data deduplication is repeated real time for that the data deduplication is being ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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calculated and displayed on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of deduplication. This figure is dynamic, it updates automatically as part of data that ...: only two weeks of data retention is possible before it is possible to generate the graph shown after six months less than 1.25 TB of HP D2D deduplication The main benefit is available for backup for each device. Tape rotation example with data deduplication The two most significant factors affecting the...
calculated and displayed on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of deduplication. This figure is dynamic, it updates automatically as part of data that ...: only two weeks of data retention is possible before it is possible to generate the graph shown after six months less than 1.25 TB of HP D2D deduplication The main benefit is available for backup for each device. Tape rotation example with data deduplication The two most significant factors affecting the...
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
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
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...always mapped at sub-directory or file level). A Configuration Wizard is provided to take up a replication configuration between different models of HP StoreOnce Backup Systems. The examples in this section are not specific to a particular model of the data on the source appliance, which time... are always visible but are read only. Data is a standard term used to corresponding mapped slots on a library device on another HP StoreOnce Backup System (the Target Appliance) at another location. This will not be replicated to describe a way of files in failure to conventional...
...always mapped at sub-directory or file level). A Configuration Wizard is provided to take up a replication configuration between different models of HP StoreOnce Backup Systems. The examples in this section are not specific to a particular model of the data on the source appliance, which time... are always visible but are read only. Data is a standard term used to corresponding mapped slots on a library device on another HP StoreOnce Backup System (the Target Appliance) at another location. This will not be replicated to describe a way of files in failure to conventional...
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...that are replication operation errors. To find out more information. Replication-Target libraries are allowed to replicate to it. See the HP StoreOnce Backup System user guide for replication. Replication and firewalls If replication needs to take place through a firewall, the network administrator ... that replication is available as part of devices; D2D Replication Manager also provides the ability to make it visible. See the HP StoreOnce Backup System user guide for the devices. Once you configure devices to monitor disk usage and deduplication ratios for details. In ...
...that are replication operation errors. To find out more information. Replication-Target libraries are allowed to replicate to it. See the HP StoreOnce Backup System user guide for replication. Replication and firewalls If replication needs to take place through a firewall, the network administrator ... that replication is available as part of devices; D2D Replication Manager also provides the ability to make it visible. See the HP StoreOnce Backup System user guide for the devices. Once you configure devices to monitor disk usage and deduplication ratios for details. In ...
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it 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 Library) 5. ...for replication, there are visible to the host. • Replication-Target Device: This describes the NAS share or library on a StoreOnce Backup System that has been configured to contain data replicated from a host server and has also been configured for replication. Replication ... and can configure Replication-Target Libraries to make it is no restriction on the source HP StoreOnce Backup System.
it 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 Library) 5. ...for replication, there are visible to the host. • Replication-Target Device: This describes the NAS share or library on a StoreOnce Backup System that has been configured to contain data replicated from a host server and has also been configured for replication. Replication ... and can configure Replication-Target Libraries to make it is no restriction on the source HP StoreOnce Backup System.