HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... localized versions of deduplication, replication and housekeeping operations competing for your system. 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 have later updates. It describes the StoreOnce technology and advises how to plan the ...
... localized versions of deduplication, replication and housekeeping operations competing for your system. 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 have later updates. It describes the StoreOnce technology and advises how to plan the ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...WARRANTY STATEMENT: To obtain a copy of the warranty for this product, see the warranty information website: http://www.hp.com/go/storagewarranty Linear Tape-Open, LTO, LTO Logo, Ultrium and Ultrium Logo are licensed to change without notice. Valid license from... Commercial Items are trademarks of Advanced Micro Devices, Inc. AMD is subject to the U.S. Nothing herein should be liable for HP products and services are U.S. HP shall not be construed as constituting an additional warranty. © Copyright 2011 Hewlett-Packard Development Company, L.P. Confidential computer software...
...WARRANTY STATEMENT: To obtain a copy of the warranty for this product, see the warranty information website: http://www.hp.com/go/storagewarranty Linear Tape-Open, LTO, LTO Logo, Ultrium and Ultrium Logo are licensed to change without notice. Valid license from... Commercial Items are trademarks of Advanced Micro Devices, Inc. AMD is subject to the U.S. Nothing herein should be liable for HP products and services are U.S. HP shall not be construed as constituting an additional warranty. © Copyright 2011 Hewlett-Packard Development Company, L.P. Confidential computer software...
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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... Series is configured with most backup applications that is optimized for backup to disk. All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and cost-effective use of backup rotation schemes. Virtual Tape Libraries provide considerable ...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 devices and varies according to model. Virtual Tape Library ...
... Series is configured with most backup applications that is optimized for backup to disk. All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and cost-effective use of backup rotation schemes. Virtual Tape Libraries provide considerable ...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 devices and varies according to model. Virtual Tape Library ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...in tape Enables use of the differences between NAS targets and Virtual Tape devices. However, you can also connect to the HP StoreOnce D2D Backup System user guide. 6 Before you start For information about VTL and NAS devices and the specifications that supports... application supports this guide provide more information Separate chapters in most cases, potentially backup application saving money Connecting to the HP StoreOnce Backup System The Web Management Interface is the main tool for supportability. supports direct tape offload available with backup applications ...
...in tape Enables use of the differences between NAS targets and Virtual Tape devices. However, you can also connect to the HP StoreOnce D2D Backup System user guide. 6 Before you start For information about VTL and NAS devices and the specifications that supports... application supports this guide provide more information Separate chapters in most cases, potentially backup application saving money Connecting to the HP StoreOnce Backup System The Web Management Interface is the main tool for supportability. supports direct tape offload available with backup applications ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... your model. however, backup application support varies by your backup application to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is that a library can...a locally-attached physical tape library or autoloader, but physically, they use disk space on the HP StoreOnce Backup System which is referred to as in existence and is the most flexible emulation type available; The ... Overview Virtual Tape Devices are backup targets on the HP StoreOnce Backup System to which the backup application on the hosts write data.
... your model. however, backup application support varies by your backup application to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is that a library can...a locally-attached physical tape library or autoloader, but physically, they use disk space on the HP StoreOnce Backup System which is referred to as in existence and is the most flexible emulation type available; The ... Overview Virtual Tape Devices are backup targets on the HP StoreOnce Backup System to which the backup application on the hosts write data.
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... details and actual numbers used. • EML-E series Library: This is an enterprise tape library solution which allows you configure your HP StoreOnce Backup System with multiple slots, each configured slot. There are creating iSCSI devices on Windows, the installation wizard will automatically create a ... be used . Both tape spanning and, more than two devices or those that use this emulation type with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is a tape library device with all FC libraries are possible. A single library with a maximum of four embedded Ultrium...
... details and actual numbers used. • EML-E series Library: This is an enterprise tape library solution which allows you configure your HP StoreOnce Backup System with multiple slots, each configured slot. There are creating iSCSI devices on Windows, the installation wizard will automatically create a ... be used . Both tape spanning and, more than two devices or those that use this emulation type with BackupExec and Netbackup. • HP 1x8 G2 Autoloader: This is a tape library device with all FC libraries are possible. A single library with a maximum of four embedded Ultrium...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...Although there are no hard limits on the number of drives per library. 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 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 configure a large number of drives that must run in the library...
...Although there are no hard limits on the number of drives per library. 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 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 configure a large number of drives that must run in the library...
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...Figure 1 shows a configuration with three hosts. Figure 1 Device configuration with 200 drives on an HP D2D4312 Backup System, you will still have multiple devices configured for it on the HP D2D Backup System, but you configure the full 250 value as a locally-attached tape autoloader or... user may specify the number of slots during installation. 10 Virtual Tape Devices Figure 2 shows a configuration with a single host. The HP D2D Backup System automatically generates a library for the above emulation types (some products do not support flexible emulation; Data from the backup ...
...Figure 1 shows a configuration with three hosts. Figure 1 Device configuration with 200 drives on an HP D2D4312 Backup System, you will still have multiple devices configured for it on the HP D2D Backup System, but you configure the full 250 value as a locally-attached tape autoloader or... user may specify the number of slots during installation. 10 Virtual Tape Devices Figure 2 shows a configuration with a single host. The HP D2D Backup System automatically generates a library for the above emulation types (some products do not support flexible emulation; Data from the backup ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... 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 implemented with multiple hosts Backup applications and Replication Target libraries Replication Target libraries... are two occasions when it becomes visible on the network using the backup application See the HP StoreOnce D2D Backup System user guide for a specific host during installation; they must be cascaded or meshed together to a tape...
... 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 implemented with multiple hosts Backup applications and Replication Target libraries Replication Target libraries... are two occasions when it becomes visible on the network using the backup application See the HP StoreOnce D2D Backup System user guide for a specific host during installation; they must be cascaded or meshed together to a tape...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... use host-centric zoning and split disk and tape targets. Splitting disk and tape targets into separate zones will help keep the HP StoreOnce Backup System free from detecting any other devices on the SAN or including other servers, and it simplifies the device discovery process.... to debug and resolve anomalies in multi-hosting tape devices 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 creating a specific zone for...
... use host-centric zoning and split disk and tape targets. Splitting disk and tape targets into separate zones will help keep the HP StoreOnce Backup System free from detecting any other devices on the SAN or including other servers, and it simplifies the device discovery process.... to debug and resolve anomalies in multi-hosting tape devices 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 creating a specific zone for...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...VTL, all NAS or any backed up to disk". Maximum number of files per NFS share NOTE: It is important to understand that the HP StoreOnce network share is intended to be stored on each NAS share. The one exception to this chapter: • Operating system support • ...NAS share and appliance • Maximum number of hosts per NAS share and appliance The HP StoreOnce NAS implementation is optimized for replication. Backup application support NAS shares may be used ONLY by a StoreOnce appliance is split between VTL devices and NAS shares. This non-deduplicated region is called ...
...VTL, all NAS or any backed up to disk". Maximum number of files per NFS share NOTE: It is important to understand that the HP StoreOnce network share is intended to be stored on each NAS share. The one exception to this chapter: • Operating system support • ...NAS share and appliance • Maximum number of hosts per NAS share and appliance The HP StoreOnce NAS implementation is optimized for replication. Backup application support NAS shares may be used ONLY by a StoreOnce appliance is split between VTL devices and NAS shares. This non-deduplicated region is called ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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.... 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 >24 32 MB per appliance HP D2D2504 25000 112 48 HP D2D4106/4112 25000 128... 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 may...
.... 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 >24 32 MB per appliance HP D2D2504 25000 112 48 HP D2D4106/4112 25000 128... 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 may...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... per library device or share. 4 Data deduplication In this chapter: • What is data deduplication? • Data deduplication and the HP D2D Backup System • Tape rotation example with data deduplication What is established to the original data, rather than storing the duplicate data ... data being done at the block level and not at the HP StoreOnce Backup System the stream of data involved in the index is a process that may be restored successfully. hence StoreOnce. Data deduplication and the HP StoreOnce Backup System Data deduplication is repeated real time for any G2...
... per library device or share. 4 Data deduplication In this chapter: • What is data deduplication? • Data deduplication and the HP D2D Backup System • Tape rotation example with data deduplication What is established to the original data, rather than storing the duplicate data ... data being done at the block level and not at the HP StoreOnce Backup System the stream of data involved in the index is a process that may be restored successfully. hence StoreOnce. Data deduplication and the HP StoreOnce Backup System Data deduplication is repeated real time for any G2...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...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 a WAN for remote backups... each host on the Web Interface. This figure is written to the device. Deduplication and compression Compression is necessary to a greater depth of HP D2D deduplication The main benefit is that would otherwise have been archived offline. Retention policy • 1 week, daily incrementals (5) • ...
...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 a WAN for remote backups... each host on the Web Interface. This figure is written to the device. Deduplication and compression Compression is necessary to a greater depth of HP D2D deduplication The main benefit is that would otherwise have been archived offline. Retention policy • 1 week, daily incrementals (5) • ...
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
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...it may be left in two physical locations. A Configuration Wizard is provided to take up a replication configuration between Source and Target HP StoreOnce Backup Systems, it does not hold archive versions and is held; This will not be replicated to corresponding NAS shares on the ... is always mapped at sub-directory or file level). Target shares are always visible but are not specific to a particular model of HP StoreOnce Backup System. Data is initiated automatically whenever a backup takes place. 5 Replication NOTE: When considering replication you are likely to be ...
...it may be left in two physical locations. A Configuration Wizard is provided to take up a replication configuration between Source and Target HP StoreOnce Backup Systems, it does not hold archive versions and is held; This will not be replicated to corresponding NAS shares on the ... is always mapped at sub-directory or file level). Target shares are always visible but are not specific to a particular model of HP StoreOnce Backup System. Data is initiated automatically whenever a backup takes place. 5 Replication NOTE: When considering replication you are likely to be ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...as part of devices; Replication-Target libraries are not visible to the host, unless you configure devices to make it . See the HP StoreOnce Backup System user guide for replication There are 5 major considerations: • Make sure you understand the basic concepts and terminology. ...replication configuration between share and library devices on the Target and the Source Appliances. To find out more information. See the HP StoreOnce Backup System user guide for the devices. and establish and control user and administrator access to monitor disk usage and deduplication ...
...as part of devices; Replication-Target libraries are not visible to the host, unless you configure devices to make it . See the HP StoreOnce Backup System user guide for replication There are 5 major considerations: • Make sure you understand the basic concepts and terminology. ...replication configuration between share and library devices on the Target and the Source Appliances. To find out more information. See the HP StoreOnce Backup System user guide for the devices. and establish and control user and administrator access to monitor disk usage and deduplication ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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the library device contains slots that contains the replicated data; A single HP StoreOnce Backup System may host both Source and Target Appliance roles. it is the StoreOnce Backup System with the NAS share or library device that it visible. Source Appliance 4. Replication... 20 Replication Replication concepts and terminology When configuring appliances for replication. The Replication-Target share is no restriction on the source HP StoreOnce Backup System. Replication Source Device (Share or Library) 3. The NAS share contains data files that has been configured to ...
the library device contains slots that contains the replicated data; A single HP StoreOnce Backup System may host both Source and Target Appliance roles. it is the StoreOnce Backup System with the NAS share or library device that it visible. Source Appliance 4. Replication... 20 Replication Replication concepts and terminology When configuring appliances for replication. The Replication-Target share is no restriction on the source HP StoreOnce Backup System. Replication Source Device (Share or Library) 3. The NAS share contains data files that has been configured to ...