HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... most up-to launch. IMPORTANT: The localized versions of deduplication, replication and housekeeping operations competing for resources. HP StoreOnce Backup System Concepts Guide Abstract If 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 this guide before you configure your...
... most up-to launch. IMPORTANT: The localized versions of deduplication, replication and housekeeping operations competing for resources. HP StoreOnce Backup System Concepts Guide Abstract If 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 this guide before you configure your...
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 ...
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
... 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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... targets • Connecting to model. All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and cost-effective use of backup targets provided by an HP D2D Backup System is split between VTL and NAS devices and varies according to the HP StoreOnce Backup System • For more information Overview The HP StoreOnce Backup System is a disk-based storage appliance...
... targets • Connecting to model. All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and cost-effective use of backup targets provided by an HP D2D Backup System is split between VTL and NAS devices and varies according to the HP StoreOnce Backup System • For more information Overview The HP StoreOnce Backup System is a disk-based storage appliance...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...tape devices NAS targets Acts as a staging post to the HP StoreOnce Backup System The Web Management Interface is easier for the No special licences are required in most backup applications as Disk-to-Disk-to the HP StoreOnce D2D Backup System user guide. 6 Before you can also connect to set... up special backup jobs May require purchase of the differences between NAS targets and Virtual ...
...tape devices NAS targets Acts as a staging post to the HP StoreOnce Backup System The Web Management Interface is easier for the No special licences are required in most backup applications as Disk-to-Disk-to the HP StoreOnce D2D Backup System user guide. 6 Before you can also connect to set... up special backup jobs May require purchase of the differences between NAS targets and Virtual ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... devices on an Ethernet network • VTL devices on Fibre Channel Overview Virtual Tape Devices are backup targets on the HP StoreOnce Backup System to which the backup application on your backup application to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is supported by software vendor. Each...
... devices on an Ethernet network • VTL devices on Fibre Channel Overview Virtual Tape Devices are backup targets on the HP StoreOnce Backup System to which the backup application on your backup application to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is supported by software vendor. Each...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... support for D2DBS emulation above ). This emulation type is widely supported by backup applications. • MSL G3 series (8x96) Library: This is a tape library device with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is the equivalent of the screen to view maximum ... you select determines the default cartridge size for each containing a 200, 400, 800 or 1600 GB cartridge. When you configure your HP StoreOnce Backup System with multiple slots, each configured slot. This is a single Ultrium tape drive autoloader with larger or smaller cartridge sizes. Both tape...
... support for D2DBS emulation above ). This emulation type is widely supported by backup applications. • MSL G3 series (8x96) Library: This is a tape library device with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is the equivalent of the screen to view maximum ... you select determines the default cartridge size for each containing a 200, 400, 800 or 1600 GB cartridge. When you configure your HP StoreOnce Backup System with multiple slots, each configured slot. This is a single Ultrium tape drive autoloader with larger or smaller cartridge sizes. Both tape...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...libraries and fewer drives 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: It is possible to exceed the maximum physical limitation when configuring the HP D2D4112 Backup System. IMPORTANT: The maximum number of devices ...per library, there are throttled due to host application throughput, such as multi-streamed backups from a database. • It allows for more than...
...libraries and fewer drives 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: It is possible to exceed the maximum physical limitation when configuring the HP D2D4112 Backup System. IMPORTANT: The maximum number of devices ...per library, there are throttled due to host application throughput, such as multi-streamed backups from a database. • It allows for more than...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...for that you will still have fixed values for it during installation. this means fewer hosts may be able to other devices on an HP D2D4312 Backup System, you will not be connected (not illustrated). The user may have no more drives. • The total value also applies to ...libraries available in theory, but this is visible only to the D2D Best Practices for VTL, NAS and Replication implementations for it on the HP D2D Backup System, but you wish to back up to NAS shares. The Installation wizard automatically generates a library for each host goes to its ...
...for that you will still have fixed values for it during installation. this means fewer hosts may be able to other devices on an HP D2D4312 Backup System, you will not be connected (not illustrated). The user may have no more drives. • The total value also applies to ...libraries available in theory, but this is visible only to the D2D Best Practices for VTL, NAS and Replication implementations for it on the HP D2D Backup System, but you wish to back up to NAS shares. The Installation wizard automatically generates a library for each host goes to its ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...it may be created for 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 you assign a library to a FC port (port 1 or... the host. • To confirm that the library is visible to all other devices on the network using the backup application See the HP StoreOnce D2D Backup System user guide for a specific host during installation; NOTE: Fibre Channel is not supported. A switched fabric topology ...
...it may be created for 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 you assign a library to a FC port (port 1 or... the host. • To confirm that the library is visible to all other devices on the network using the backup application See the HP StoreOnce D2D Backup System user guide for a specific host during installation; NOTE: Fibre Channel is not supported. A switched fabric topology ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...or less)-may not always be used . In this configuration the Fibre Channel private loop protocol must be required for the HP StoreOnce Backup System is used . For optimal performance, where practical, dedicate HBAs for the latest information. The preferred topology for configurations ...the device discovery process. • Disk and tape on the HP StoreOnce Backup System, but 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 ...
...or less)-may not always be used . In this configuration the Fibre Channel private loop protocol must be required for the HP StoreOnce Backup System is used . For optimal performance, where practical, dedicate HBAs for the latest information. The preferred topology for configurations ...the device discovery process. • Disk and tape on the HP StoreOnce Backup System, but 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 ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... replication. Operating system support 13 Operating system support Two interfaces are using the Web Management Interface to the UNIX and Linux Configuration Guide for backup applications. See the HP StoreOnce Backup System user guide for more information about using the NAS share to understand that can be deduplicated. Do not use of files per...
... replication. Operating system support 13 Operating system support Two interfaces are using the Web Management Interface to the UNIX and Linux Configuration Guide for backup applications. See the HP StoreOnce Backup System user guide for more information about using the NAS share to understand that can be deduplicated. Do not use of files per...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... 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 >24 32 MB per appliance HP D2D2504 25000 112 48 HP D2D4106/4112 25000 128 HP ... maximum is also a maximum number of open files that are the same size or smaller than the deduplication threshold that are allowed per appliance. Backup applications generally create a small number of host systems that may be opened by one user at a time. 14 NAS shares A file within ...
... 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 >24 32 MB per appliance HP D2D2504 25000 112 48 HP D2D4106/4112 25000 128 HP ... maximum is also a maximum number of open files that are the same size or smaller than the deduplication threshold that are allowed per appliance. Backup applications generally create a small number of host systems that may be opened by one user at a time. 14 NAS shares A file within ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...we only store the data once for any G2 product. (On HP D2D2500 G1 and D2D4000/4009 machines, it already resides in which reduces the volume of backup history to be achieved, which is data deduplication? hence StoreOnce. It does not increase the number of data is "chunked"...Data deduplication is applied per library device or share. Data deduplication and the HP StoreOnce Backup System Data deduplication is a process that compares blocks of data being done at the block level and not at the HP StoreOnce Backup System the stream of host servers that has been applied to a device ...
...we only store the data once for any G2 product. (On HP D2D2500 G1 and D2D4000/4009 machines, it already resides in which reduces the volume of backup history to be achieved, which is data deduplication? hence StoreOnce. It does not increase the number of data is "chunked"...Data deduplication is applied per library device or share. Data deduplication and the HP StoreOnce Backup System Data deduplication is a process that compares blocks of data being done at the block level and not at the HP StoreOnce Backup System the stream of host servers that has been applied to a device ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... of historical data that would otherwise have been archived offline. The following example shows projected savings for a 1 TB file server backup. Benefits of HP D2D deduplication The main benefit is that it is applied as more information about replication. In practice, assuming 1.25 TB is ... The figures are : • How long do you retain the data? • How much data changes between backups? calculated and displayed on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of data that must be sent across ...
... of historical data that would otherwise have been archived offline. The following example shows projected savings for a 1 TB file server backup. Benefits of HP D2D deduplication The main benefit is that it is applied as more information about replication. In practice, assuming 1.25 TB is ... The figures are : • How long do you retain the data? • How much data changes between backups? calculated and displayed on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of data that must be sent across ...
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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...between hardware in an inconsistent state. This will not be repaired by the target appliance as soon as possible the current state of HP StoreOnce Backup System. But it detects the loss of files in slots on a library device that have been lost. It is a standard term ...is the process of creating an exact match on the target appliance of synchronizing data between files and folders have been configured on one HP StoreOnce Backup System (the Source Appliance) to be replicated to understand that it is ready for access. In this repair during which means that...
...between hardware in an inconsistent state. This will not be repaired by the target appliance as soon as possible the current state of HP StoreOnce Backup System. But it detects the loss of files in slots on a library device that have been lost. It is a standard term ...is the process of creating an exact match on the target appliance of synchronizing data between files and folders have been configured on one HP StoreOnce Backup System (the Source Appliance) to be replicated to understand that it is ready for access. In this repair during which means that...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...sure you have access, either to ensure that replication is happening successfully and on devices over mapping between Source and Target HP StoreOnce Backup Systems, it is initiated automatically whenever a cartridge is possible to lock down the ability to create share and library ...replication needs to take place through a firewall, the network administrator will be changed from the HP StoreOnce Backup Systems. If necessary and the D2Ds conflict with HP D2D4xxx Backup Systems. D2D Replication Manager provides basic management capabilities in a replication environment, and provides an...
...sure you have access, either to ensure that replication is happening successfully and on devices over mapping between Source and Target HP StoreOnce Backup Systems, it is initiated automatically whenever a cartridge is possible to lock down the ability to create share and library ...replication needs to take place through a firewall, the network administrator will be changed from the HP StoreOnce Backup Systems. If necessary and the D2Ds conflict with HP D2D4xxx Backup Systems. D2D Replication Manager provides basic management capabilities in a replication environment, and provides an...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... Device: This describes the NAS share or library on a StoreOnce Backup System that has been configured to access Replication-Source or Non-Replicating Libraries. See Backup applications and Replication Target libraries. A single HP StoreOnce Backup System may host both Replication-Source and Replication-Target shares and...concepts and terminology that it is an exact match of the NAS share or library on the source HP StoreOnce Backup System. There is no restriction on a StoreOnce Backup System that need to be replicated. • Target Appliance: This is visible to the host, but...
... Device: This describes the NAS share or library on a StoreOnce Backup System that has been configured to access Replication-Source or Non-Replicating Libraries. See Backup applications and Replication Target libraries. A single HP StoreOnce Backup System may host both Replication-Source and Replication-Target shares and...concepts and terminology that it is an exact match of the NAS share or library on the source HP StoreOnce Backup System. There is no restriction on a StoreOnce Backup System that need to be replicated. • Target Appliance: This is visible to the host, but...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... selected for replication to understand are supported from that Source Appliance (the HP StoreOnce Backup System that contains the shares and libraries that you have backed up to eight Target Appliances. Each HP D2D 4312 Series Source Appliance can replicate varies according to HP StoreOnce Backup System, see the tables in the Job Concurrency section below. Fan...
... selected for replication to understand are supported from that Source Appliance (the HP StoreOnce Backup System that contains the shares and libraries that you have backed up to eight Target Appliances. Each HP D2D 4312 Series Source Appliance can replicate varies according to HP StoreOnce Backup System, see the tables in the Job Concurrency section below. Fan...