HP D2D .HP D2D Backup System user guide (EH985-90907, March 2011) - Page 17

Emulation types for tape devices - 4324

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Emulation types for tape devices HP StoreOnce Backup Systems emulate a range of physical tape devices, which are listed below. NOTE: Not all products support all emulation types. If the emulation type is not in the dropdown list, it is not supported on your model. For example, HP D2D2500 Series do not support the ESL-e and EML-e Library emulation types. • D2DBS Generic Library: This is a tape library device which allows you to configure many drives per library and many cartridges per library • HP D2D2502/2504: up to 16 (HP D2D2502) and 32 (HP D2D2504) drives per library and up to 96 cartridges per library • HP D2D4106/4112: up to 64 (HP D2D4106) and 96 (HP D2D4112) drives per library and up to 1024 cartridges per library • HP D2D4312/4324: up to 200 drives per library and up to 4096 cartridges per library If it is supported by your backup application, this is the preferred emulation type to be used because it does not emulate any physical library types in existence and is, therefore, clearly identifiable as a StoreOnce device. It is the most flexible emulation type available; however, backup application support varies by software vendor. If you have selected D2DBS Generic for the Library Emulation Type, you will be able to select Ultrium VT for the drive emulation. This is a generic Ultrium device which is clearly identifiable as virtual. Backup application support for Ultrium VT is reasonable, but not quite as complete as the D2DBS library type, so its not possible to use it with all backup software. 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. It should be used for simple rotation schemes where a single backup job is to run at a time. This emulation type is widely supported by backup applications, but mainly of use with the HP D2D2500 Series. • MSL G3 series (2x24) Library: This is a tape library device with a maximum of two embedded Ultrium tape drives and 24 cartridge slots. It should be used when implementing rotation schemes which involve simultaneous backup jobs to two devices. This emulation type is widely supported by backup applications. • MSL G3 series (4x48) Library: This is a tape library device with a maximum of four embedded Ultrium tape drives and 48 cartridge slots. It should be used when implementing rotation schemes which involve simultaneous backup jobs to more than two devices or those that use a large number of cartridges devices. This emulation type is widely supported by backup applications. • MSL G3 series (8x96) Library: This is a tape library device with a maximum of four embedded Ultrium tape drives and 96 cartridge slots. • ESL-E series Library: This is an enterprise tape solution which allows you to configure many drives per library and many cartridges per library (see values for D2DBS emulation above). Use the Show Details Box at the top of the screen to view maximum details and actual numbers used. • EML-E series Library: This is an enterprise tape library solution which allows you to configure many drives per library and many cartridges per library (see values for D2DBS emulation above). Use the Show Details Box at the top of the screen to view maximum details for drives and libraries and actual numbers used. Backup System user guide 17

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Emulation types for tape devices
HP StoreOnce Backup Systems emulate a range of physical tape devices, which are listed below.
NOTE:
Not all products support all emulation types. If the emulation type is not in the dropdown list, it is not
supported on your model. For example, HP D2D2500 Series do not support the ESL-e and EML-e
Library emulation types.
•
D2DBS Generic Library:
This is a tape library device which allows you to configure many drives
per library and many cartridges per library
•
HP D2D2502/2504: up to 16 (HP D2D2502) and 32 (HP D2D2504) drives per library and
up to 96 cartridges per library
•
HP D2D4106/4112: up to 64 (HP D2D4106) and 96 (HP D2D4112) drives per library and
up to 1024 cartridges per library
•
HP D2D4312/4324: up to 200 drives per library and up to 4096 cartridges per library
If it is supported by your backup application, this is the preferred emulation type to be used because
it does not emulate any physical library types in existence and is, therefore, clearly identifiable
as a StoreOnce device. It is the most flexible emulation type available; however, backup application
support varies by software vendor.
If you have selected D2DBS Generic for the Library Emulation Type, you will be able to select Ul-
trium VT for the drive emulation. This is a generic Ultrium device which is clearly identifiable as
virtual. Backup application support for Ultrium VT is reasonable, but not quite as complete as the
D2DBS library type, so its not possible to use it with all backup software.
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. It should be used for simple rotation schemes where a single backup job is to run
at a time. This emulation type is widely supported by backup applications, but mainly of use with
the HP D2D2500 Series.
•
MSL G3 series (2x24) Library:
This is a tape library device with a maximum of two embedded
Ultrium tape drives and 24 cartridge slots. It should be used when implementing rotation schemes
which involve simultaneous backup jobs to two devices. This emulation type is widely supported
by backup applications.
•
MSL G3 series (4x48) Library:
This is a tape library device with a maximum of four embedded
Ultrium tape drives and 48 cartridge slots. It should be used when implementing rotation schemes
which involve simultaneous backup jobs to more than two devices or those that use a large number
of cartridges devices. This emulation type is widely supported by backup applications.
•
MSL G3 series (8x96) Library:
This is a tape library device with a maximum of four embedded
Ultrium tape drives and 96 cartridge slots.
•
ESL-E series Library:
This is an enterprise tape solution which allows you to configure many drives
per library and many cartridges per library (see values for D2DBS emulation above). Use the
Show Details Box
at the top of the screen to view maximum details and actual numbers used.
•
EML-E series Library:
This is an enterprise tape library solution which allows you to configure many
drives per library and many cartridges per library (see values for D2DBS emulation above). Use
the
Show Details Box
at the top of the screen to view maximum details for drives and libraries and
actual numbers used.
Backup System user guide
17