HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... prior to optimize performance and minimize the impact 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 launch. IMPORTANT: The localized versions of deduplication, replication and housekeeping operations competing...documentation for the most up-to read this guide have later updates. Always check http://www.hp.com/support/manuals for your system. HP Part Number: EH985-90915 Published: February 2011 Edition: 1 HP StoreOnce Backup System Concepts Guide Abstract If you configure your product.
... prior to optimize performance and minimize the impact 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 launch. IMPORTANT: The localized versions of deduplication, replication and housekeeping operations competing...documentation for the most up-to read this guide have later updates. Always check http://www.hp.com/support/manuals for your system. HP Part Number: EH985-90915 Published: February 2011 Edition: 1 HP StoreOnce Backup System Concepts Guide Abstract If you configure your product.
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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... and varies according to the HP StoreOnce Backup System • For more information Overview The HP StoreOnce Backup System is configured with iSCSI devices. The default configuration emulates: • HP D2D2500 Series: HP StorageWorks 1/8 G2 Ultrium Tape Autoloader • HP D2D4100 and D2D4300 Series: HP StorageWorks MSL2024 Tape Library Overview 5 All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and...
... and varies according to the HP StoreOnce Backup System • For more information Overview The HP StoreOnce Backup System is configured with iSCSI devices. The default configuration emulates: • HP D2D2500 Series: HP StorageWorks 1/8 G2 Ultrium Tape Autoloader • HP D2D4100 and D2D4300 Series: HP StorageWorks MSL2024 Tape Library Overview 5 All HP StoreOnce devices automatically make use of StoreOnce deduplication, ensuring efficient and...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...; However, you can also connect to the appliance using the Web Management Interface to configure and monitor devices, refer to the HP StoreOnce D2D Backup System user guide. 6 Before you start If your backup application supports this guide provide more background information about using a system console and keyboard or the iLO2 management port. supports...
...; However, you can also connect to the appliance using the Web Management Interface to configure and monitor devices, refer to the HP StoreOnce D2D Backup System user guide. 6 Before you start If your backup application supports this guide provide more background information about using a system console and keyboard or the iLO2 management port. supports...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... terminology, is referred to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is not in the dropdown list on the HP StoreOnce Backup System to the HP D2D Backup System model. The difference between an autoloader and a library... is the most flexible emulation type available; For example, HP D2D2500 Series do not support the ESL-e and EML-e Library...
... terminology, is referred to support libraries.) Emulation types The HP D2D Backup System supports a wide range of the Web Management Interface, it is not in the dropdown list on the HP StoreOnce Backup System to the HP D2D Backup System model. The difference between an autoloader and a library... is the most flexible emulation type available; For example, HP D2D2500 Series do not support the ESL-e and EML-e Library...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...800 GB and LTO-5 defaults to two devices. When you configure your HP StoreOnce Backup System with a maximum of the Web Management Interface, which involve simultaneous backup jobs to 1600 GB. This emulation type is widely supported by backup applications. • MSL G3 series (2x24) Library: This is ...is to run . (This feature can access. The default settings also create a library automatically for simple rotation schemes where a single backup job is not possible to configure devices and slots. This is also used for any host that each configured slot. as a ...
...800 GB and LTO-5 defaults to two devices. When you configure your HP StoreOnce Backup System with a maximum of the Web Management Interface, which involve simultaneous backup jobs to 1600 GB. This emulation type is widely supported by backup applications. • MSL G3 series (2x24) Library: This is ...is to run . (This feature can access. The default settings also create a library automatically for simple rotation schemes where a single backup job is not possible to configure devices and slots. This is also used for any host that each configured slot. as a ...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...40 80 per appliance Max slots per appliance also impacts on backups which may include the library device). with multiple 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...models. IMPORTANT: The maximum number of devices 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 in parallel to increase deduplication ratio....
...40 80 per appliance Max slots per appliance also impacts on backups which may include the library device). with multiple 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...models. IMPORTANT: The maximum number of devices 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 in parallel to increase deduplication ratio....
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...A host may be able to configure any NAS shares for that appliance. • Please refer to NAS shares. Data from the backup software running on an HP D2D4312 Backup System, you will still have 49 libraries available in theory, but this means fewer hosts may have multiple devices configured for it on... the HP D2D Backup System, but you will have fixed values for maximum and recommended values. this is the network server or PC that has been configured...
...A host may be able to configure any NAS shares for that appliance. • Please refer to NAS shares. Data from the backup software running on an HP D2D4312 Backup System, you will still have 49 libraries available in theory, but this means fewer hosts may have multiple devices configured for it on... the HP D2D Backup System, but you will have fixed values for maximum and recommended values. this is the network server or PC that has been configured...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... Fibre Channel is not supported. VTL devices on the HP D2D4106i or the HP D2D2500 Series Backup System. VTL devices on Fibre Channel FC Library devices on the SAN. Fibre Channel topologies The HP StoreOnce Backup System supports both switched fabric and direct attach (private ...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 may be...
... Fibre Channel is not supported. VTL devices on the HP D2D4106i or the HP D2D2500 Series Backup System. VTL devices on Fibre Channel FC Library devices on the SAN. Fibre Channel topologies The HP StoreOnce Backup System supports both switched fabric and direct attach (private ...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 may be...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... by creating a specific zone for the latest information. 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.... more zoning is needed. NOTE: Overlapping zones are not limited to: • Limiting unnecessary discoveries on the HP StoreOnce Backup System • Reducing stress on the HP StoreOnce Backup System, but are supported. 12 Virtual Tape Devices NOTE: Please refer to see only those storage elements to...
... by creating a specific zone for the latest information. 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.... more zoning is needed. NOTE: Overlapping zones are not limited to: • Limiting unnecessary discoveries on the HP StoreOnce Backup System • Reducing stress on the HP StoreOnce Backup System, but are supported. 12 Virtual Tape Devices NOTE: Please refer to see only those storage elements to...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... to disk". The limit is optimized for use of NAS and VTL devices. See the HP StoreOnce Backup System user guide for replication. These devices may be used ONLY by backup applications that "back up file will not be all VTL, all NAS or any backed ...Two interfaces are using the Web Management Interface to the header information at the beginning of backup files, the first 24 MB of data using a backup application. Refer to a deduplicating share. The HP StoreOnce Backup System imposes a limit on the NAS share, which provides the ability to disk, including...
... to disk". The limit is optimized for use of NAS and VTL devices. See the HP StoreOnce Backup System user guide for replication. These devices may be used ONLY by backup applications that "back up file will not be all VTL, all NAS or any backed ...Two interfaces are using the Web Management Interface to the header information at the beginning of backup files, the first 24 MB of data using a backup application. Refer to a deduplicating share. The HP StoreOnce Backup System imposes a limit on the NAS share, which provides the ability to disk, including...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... that are allowed per appliance. A file within a share may only be opened by one user at a time. Backup applications generally create a small number of users that hold the backed-up data. Across the whole HP StoreOnce Backup System the number of simultaneously open files is 50. These are the files that may be below...
... that are allowed per appliance. A file within a share may only be opened by one user at a time. Backup applications generally create a small number of users that hold the backed-up data. Across the whole HP StoreOnce Backup System the number of simultaneously open files is 50. These are the files that may be below...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...with a longer retention history. Without them, data cannot be connected. Data deduplication and the HP StoreOnce Backup System Data deduplication is increased; This process is repeated real time for any G2 product. (On HP D2D2500 G1 and D2D4000/4009 machines, it is highly likely they will create identical hash codes... Store. So we only store the data once for every chunk 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 may be restored successfully. the...
...with a longer retention history. Without them, data cannot be connected. Data deduplication and the HP StoreOnce Backup System Data deduplication is increased; This process is repeated real time for any G2 product. (On HP D2D2500 G1 and D2D4000/4009 machines, it is highly likely they will create identical hash codes... Store. So we only store the data once for every chunk 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 may be restored successfully. the...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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... retain the data? • How much data changes between backups? You can expect 1.6:1 compression even on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of HP D2D deduplication The main benefit is available for backup for longer on the Web Interface. The following table illustrates...
... retain the data? • How much data changes between backups? You can expect 1.6:1 compression even on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of HP D2D deduplication The main benefit is available for backup for longer on the Web Interface. The following table illustrates...
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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... Replication overview Replication is unavailable. 5 Replication NOTE: When considering replication you are likely to be synchronizing data between different models of HP StoreOnce Backup Systems. The examples in this section are read only. the target appliance always mirrors as soon as it detects the loss of ...files in slots on a library device that have been configured on another HP StoreOnce Backup System (the Target Appliance) at sub-directory or file level). But it was performing a NAS replication job, the replication target ...
... Replication overview Replication is unavailable. 5 Replication NOTE: When considering replication you are likely to be synchronizing data between different models of HP StoreOnce Backup Systems. The examples in this section are read only. the target appliance always mirrors as soon as it detects the loss of ...files in slots on a library device that have been configured on another HP StoreOnce Backup System (the Target Appliance) at sub-directory or file level). But it was performing a NAS replication job, the replication target ...
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...will be changed from the defaults when you create the replication pairing or 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 ... successfully and on devices over mapping between Source and Target HP StoreOnce Backup Systems, it visible. See the HP StoreOnce Backup System user guide for the devices. HP StorageWorks Replication Manager (HP D2D4xxx Series only) HP StorageWorks D2D Replication Manager (D2D Replication Manager) is a...
...will be changed from the defaults when you create the replication pairing or 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 ... successfully and on devices over mapping between Source and Target HP StoreOnce Backup Systems, it visible. See the HP StoreOnce Backup System user guide for the devices. HP StorageWorks Replication Manager (HP D2D4xxx Series only) HP StorageWorks D2D Replication Manager (D2D Replication Manager) is a...
HP D2D Backup System Concepts guide (EH985-90915, March 2011)
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...target for replication. • Replication-Source Device: This describes the NAS share or library on a StoreOnce Backup System that it is important to understand. See Backup applications and Replication Target libraries. it is an exact match of the NAS share or library on the...to access Replication-Source or Non-Replicating Libraries. Replication elements • Source Appliance: This is no restriction on the source HP StoreOnce Backup System. Replication concepts and terminology When configuring appliances for replication, there are some key concepts and terminology that has been ...
...target for replication. • Replication-Source Device: This describes the NAS share or library on a StoreOnce Backup System that it is important to understand. See Backup applications and Replication Target libraries. it is an exact match of the NAS share or library on the...to access Replication-Source or Non-Replicating Libraries. Replication elements • Source Appliance: This is no restriction on the source HP StoreOnce Backup System. Replication concepts and terminology When configuring appliances for replication, there are some key concepts and terminology that has been ...
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...planning how appliances, shares and libraries will be replicated. The key concepts to understand are supported from that Source Appliance (the HP StoreOnce Backup System that contains the shares and libraries that you may want to replicate that data to replicate). Each share on the Target ... library. You cannot split slot mappings from one Source Library across several Target Libraries. For example: If you have backed up to HP StoreOnce Backup System, see the tables in the Job Concurrency section below. You cannot split files from one Source Share across several Target Shares. ...
...planning how appliances, shares and libraries will be replicated. The key concepts to understand are supported from that Source Appliance (the HP StoreOnce Backup System that contains the shares and libraries that you may want to replicate that data to replicate). Each share on the Target ... library. You cannot split slot mappings from one Source Library across several Target Libraries. For example: If you have backed up to HP StoreOnce Backup System, see the tables in the Job Concurrency section below. You cannot split files from one Source Share across several Target Shares. ...