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I am looking for some input on best practice methods of using backup to disk. In specific Symantec Backup exec 10 and 11. <br />
I am use to using an Ultrium 3 autoloader and partitioning the drive based on days for nightly full backups. I am in the process of testing backup to disk and WAN replication to remote offices. <br />
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I have been allocated 1.2TB of disk space for the backup disks and our backups if a full on all servers will be just over 800GB.<br />
Should I create 1 folder for the backup to disk and have the Full backup run and then the incrementials or differential backup to the same &quot;device&quot;? Or should I be creating multiple folders for each day? <br />
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The devices we are using are Data Domain DD510s just incase someone has experience with this device. They are suppose to be able to compress and de-duplicate on the fly.
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I am looking for some input on best practice methods of using backup to disk. In specific Symantec Backup exec 10 and 11. 
I am use to using an Ultrium 3 autoloader and partitioning the drive based on days for nightly full backups. I am in the process of testing backup to disk and WAN replication to remote offices. 

I have been allocated 1.2TB of disk space for the backup disks and our backups if a full on all servers will be just over 800GB.
Should I create 1 folder for the backup to disk and have the Full backup run and then the incrementials or differential backup to the same "device"? Or should I be creating multiple folders for each day? 

The devices we are using are Data Domain DD510s just incase someone has experience with this device. They are suppose to be able to compress and de-duplicate on the fly.

Backup to disk best practices

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.

Storage

The term "Backup" means the methods and processes involved to copy computer data (system data as well as application data) to media other than the ones where the data originally live (disk, tape, optical, cloud). "Restore" in turn means the methods and processes involved in data recovery, i. e., bringing back copied computer data to their original location. Backup/Restore primarily serves as a means of protection against data loss, be it due to disaster, corruption or sabotage. It can also be used for recovering data from an earlier point in time and even for cloning machines or applications. There is a wide variety of backup/restore software available, from expensive commercial products to free or open source tools.