HP D2D110 HP StorageWorks D2D Backup System User Guide (EH880-90950, October 2 - Page 56

Office backup, Fileserver

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Host Tape Drive LAN Mon Tues Wed Thurs Wk1 Wk2 Wk3 Wk4 HP StorageWorks D2D Backup System Figure 29 Simple backup from a single host This scenario provides fast restore times for individual files, with the added security of offsite tape storage. It requires 8 autoloader slots. The examples in the rest of this chapter illustrate more complex scenarios. Office backup The office has three hosts that must be backed up: • A fileserver • A Database server • A high-performance desktop PC Each device will be backed up to an autoloader on the HP D2D Backup System. You must run the Installation wizard on each host that is to be backed up. The following examples illustrate how you decide how many slots should be allocated to each autoloader. You can either assign these during installation, if you run the Installation wizard, or use the Web Management interface after installation to increase the number of slots, as described in "To edit device details" on page 66. Fileserver This is used by all the people in the office who have access to a file share on the server for storing office documents, such as word processing files and spreadsheets. These files must be backed up daily, retained for a month and copied once a week to a tape drive attached to the fileserver for offsite storage. The starting size of the data on the file share is 60 GB. Daily changes are approximately 500 MB. Number of slots required Physical disk space required on HP D2D Backup System Offsite storage requirements 4 x 1 full weekly backups 4 x1 incremental daily backup 8 slots required 4 x 60 GB = 240 GB 4 x 500 MB = 2 GB 242 GB in week 1 Increments by 2 GB a week 4 x 60 GB = 240 GB Tapes will be rotated on a 4-weekly basis; backup size increments by 2 GB per week 56 Backup scenarios using the HP D2D Backup System

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LAN
Host
Mon
Tues
Wed
Thurs
Wk1
Wk2
Wk3
Wk4
HP StorageWorks D2D Backup System
Tape Drive
Figure 29 Simple backup from a single host
This scenario provides fast restore times for individual
fi
les, with the added security of offsite tape storage.
It requires 8 autoloader slots. The examples in the rest of this chapter illustrate more complex scenarios.
Of
fi
ce backup
The of
fi
ce has three hosts that must be backed up:
•
A
fi
leserver
•
A Database server
•
A high-performance desktop PC
Each device will be backed up to an autoloader on the HP D2D Backup System. You must run the
Installation wizard on each host that is to be backed up. The following examples illustrate how you decide
how many slots should be allocated to each autoloader. You can either assign these during installation, if
you run the Installation wizard, or use the Web Management interface after installation to increase the
number of slots, as described in “
To edit device details
” on page 66.
Fileserver
This is used by all the people in the of
fi
ce who have access to a
fi
le share on the server for storing
of
fi
ce documents, such as word processing
fi
les and spreadsheets. These
fi
les must be backed up daily,
retained for a month and copied once a week to a tape drive attached to the
fi
leserver for offsite storage.
The starting size of the data on the
fi
le share is 60 GB. Daily changes are approximately 500 MB.
Number of slots required
Physical disk space required on
HP D2D Backup System
Offsite storage requirements
4 x 1 full weekly backups
4 x1 incremental daily backup
4 x 60 GB = 240 GB
4 x 500 MB = 2 GB
8
slots required
242 GB in week 1
Increments by 2 GB a week
4 x 60 GB = 240 GB
Tapes will be rotated on a
4-weekly basis; backup size
increments by 2 GB per week
56
Backup scenarios using the HP D2D Backup System