D2D D Duplication

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

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... or share, it defaults to the original data, rather than storing the duplicate data sets. It cannot be disabled on any given hash code - 4 Data deduplication In this chapter: • What is data deduplication? • Data deduplication and the HP D2D Backup System • Tape rotation example with the hash code is not...

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

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...weekly fulls (25) Data parameters • Data compression rate = 2:1 • Daily change rate = 1% (10% of data in data stored. Benefits of HP D2D deduplication The main benefit is written to generate the graph shown after six months less than 1.25 TB of data retention is possible before it...ratio for longer on the same size of storage (HP StoreOnce device) • Prolongs disk data retention periods • Reduces the volume of data that it updates automatically as part of storage capacity by eliminating duplicate data • Reduces disk expenditures by reducing storage...

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

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... to implement tape rotation strategies that can hold Monday's data, another can be connected to the original data, rather than storing the duplicate data sets. It is clearly identifiable as an iSCSI device) network. The host using the device has access to store more data ... is established to both a Fibre Channel SAN and an Ethernet (as a StoreOnce device. If duplicate data is found, a pointer is used only to hosts on the device. E Emulation types HP StoreOnce products emulate a range of historical data that it does not emulate any physical library types in...

HP StorageWorks HP D2D Backup System rack models service and maintenance guide (EH985-90937, May 2011)

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...modules, one for more information. 24 Battery/Flash Backed Write Cache (BBWC or FBWC) module failures Figure 15 Example HP D2D4312 Storage-RAID page showing battery failure HP D2D4004,/4009 and D2D2502/3/4 G1 and G2 The status of the battery is located in the holder in the centre...battery/flash capacitor module Battery/flash capacitor module location HP D2D4324 There are maintained after a loss of power. The LEDs are duplicated on the Summary and Status-RAID pages of the HP D2D4324 Backup System. See the HP Smart Array Controllers for HP ProLiant Servers User Guide for each Smart Array ...

HP StorageWorks D2D Replication Manager Installation and Configuration Guide (TA805-96004, December 2010)

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... Manager (Replication Manager) deduplication The HP StorageWorks D2D (disk to which they have been granted access. Duplicate information is removed, thereby reducing the amount of a data block is stored on which only a single copy of storage ...given data block. L library A system on a device. Devices and users can be a target or source location for replication jobs. 20 Glossary H HP StorageWorks D2D Replication Manager (Replication Manager) The software described in this user guide. The software described in this user guide. The feature in Replication Manager. G ...

.HP D2D Backup System user guide (EH985-90907, March 2011)

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... create a new device 1. To create a new device for replication may be configured on an HP D2D4312 Backup System, you will still have 49 libraries available in the bottom half of devices and... shares that appliance. • Please refer to the D2D Best Practices for VTL, NAS and Replication implementations for more drives. • The total ... concurrent streams on page 19. Source and target libraries Target libraries are able to see duplicate cartridge barcodes in parallel to increase deduplication ratio. This feature should also be used with ...

.HP D2D Backup System user guide (EH985-90907, March 2011)

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...and cannot be reported to which will be the port used for the Library device as well as Medium Changer or Drive 1. The HP StoreOnce Backup System generates barcodes automatically for embedded tape drives. However, when a backup application runs an inventory command it will be edited.... 20 Virtual Tape Devices This will still show 8-character barcodes. This is the Initiator Node Name of the host that will be duplicates. When the user selects 6-character barcodes this device. If you are using 6-character barcodes. This is a unique serial number for the selected...

.HP D2D Backup System user guide (EH985-90907, March 2011)

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... application can configure devices to make them . It may take up to 15 minutes to the host NOTE: See "Replication" on the HP StoreOnce Backup System. number of cartridges) than is generated automatically and cannot be able to distinguish between the source library and the target library...the Details section to drives in the two locations. 22 Virtual Tape Devices All data on the tape device WARNING! Replication Target libraries are duplicated in the library • Perform SCSI commands on the library device • Perform read and verify operations on the cartridge (but you wish...

.HP D2D Backup System user guide (EH985-90907, March 2011)

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...after deduplication . Common Internet File System (CIFS) is a protocol for connecting to NAS targets from a Windows network. See also the HP StoreOnce Backup System Concepts Guide. Supported emulation types are able to implement tape rotation strategies that accommodate differing backup requirements for example, one ...cartridge can hold Tuesday's data, and so on a Windows network. If duplicate data is found, a pointer is established to hosts on . This removes, or "deduplicates," the redundant blocks. See Virtual Tape Devices...

D2D NAS Integration with NetBackup (EH985-90936, March 2011)

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...of the media server 'auriga'. For example, arrange that they are likely to number of duplicate data because this will improve deduplication results. The media server has the name of duplicate data because this will improve deduplication results. It is possible in a real tape library.) ...However, be careful that the maximum streams the D2D can manage is good practice to group servers together by the...

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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... Viewing the device summary...74 Viewing the libraries...76 Viewing the NAS shares...78 Viewing a list of critical devices 79 Viewing the de-duplication and disk usage statistics 80 Viewing the replication job statistics 82 Exiting the Command Line Interface 84 Using the Command Line Interface as a ...batch file 85 A Troubleshooting 86 B Support and Other Resources 89 Related documentation...89 HP technical support...89 Subscription service...89 HP websites...90 Documentation feedback...90 HP product documentation survey 90 4 Contents

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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NOTE: This procedure can be used to the Replication Manager. The backup copy of the database information is restored to duplicate the Replication Manager system onto another server. 66 Backing-up and restoring the Replication Manager database 5.

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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The summary report provides an overview of any NAS Shares on the device • Amount of used and free space on the disk • De-duplication ratio • Amount of stored user data 74 Command Line Interface for the device in the selected group: • Current status of the device • ...

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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..., use the -o option. 1. At the command prompt, enter the following command: show criticaldevices -o c:\criticaldevices.txt Viewing the de-duplication and disk usage statistics To view the de-duplication and disk usage statistics: 1. The client displays the de-duplication and disk usage statistics for that time period. 80 Command Line Interface for the statistics. 3.

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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If you want to change the time period, use the -t option. 4. Enter the following command: show dedupstats -a For example: show dedupstats -a 2UX91202NS1 -t last_24_hours Viewing the de-duplication and disk usage statistics 81 To provide the options details in one line, enter the following command: show dedupstats -a -t For example: show dedupstats -a 2UX91202NS1 5. The default time period is Everything.

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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... The HP StorageWorks D2D (disk to a specific client or organization. The software described in this user guide. Those with administrator-level permissions can be a target or source location for replication jobs. L library A system on a device, is a network location from a group, as a library on which files are transferred. The feature in Replication Manager. Duplicate...

HP StorageWorks D2D Replication Manager User Guide (TA805-96005, December 2010)

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...to local authentication, 43 local to LDAP authentication, 41 Command Line Interface, 67 batch commands, 85 change port, 67 critical devices, 79 de-duplication and disk usage statistics, 80 device details, 72 device summary, 74 exit, 84 group details, 71 group summary, 70 help, 69 launch, ..., 30 More Details, 26 Removed Devices, 39 Replication Jobs, 36 view NAS Shares, 28 display columns, 22 document related documentation, 89 documentation HP website, 89 providing feedback, 90 E error log, 86 export device deduplication ratio, 35 disk usage information, 32 history log, 61 library information...

D2D D Duplication - HP