Saving your files into "chunks" is a main feature of Backup Chunker, and is a method of compressing thousand of files into small to medium sized compressed archives. On each synchronization, instead of re-compressing all your files, only the affected archives are re-compressed.

 

Here are some examples of people that could benefit from compressing into chunks:

 

  • A student working on homework; He/she might need to keep a copy of the homework on a USB key chain.
  • A web designer working on a web project. During a large time period, the designer every day will work on or add only a few files, as his task is being completed. During that time he might be updating a web site, keeping backups of his work on a removable hard drive, and synchronizing the entire project on two computers he uses for development.
  • A music enthusiast with a large collection of mp3s, that synchronizes them with an mp3 player and another computer. Every now and then the songs might be modified by changing the ID-tags, and new songs might be added.
  • A law firm that archives documents. Each day new documents are added, some changed, and the secretary of the office might want to keep backups of all the documents.

 

 

All the above examples are people who need to take large and frequent backups, might need security, and on every backup only a small percentage of the files are added, modified or deleted. This presents some problems. For backup they can choose between the following options:

 

Method

Allows

Compression

Allows

Encryption

Speed

Easy

Restoring

Easy

Synchronizing

Compatibility

Backing up to a single large archive

Yes

Yes

Slow

Yes

No

High

Synchronizing the directory structure

Yes *

No

Fast

Yes

Yes

High

Incremental backup

Yes

Yes

Fast

Yes

No

Low

Backup Chunker

Yes

Yes

Fast

Yes

Yes

High

 

 

  • Backing up to a single large archive: One solution is every time to create a single huge compressed and/or encrypted archive. This however might be very slow, and impossible to transfer if saving to a remote computer.

 

  • Synchronizing the directory structure: You could synchronize all files using a simple synchronization application. This is faster, but does not allow encryption and because there is no compression, this also might be very slow when transferring the data.

 

  • Incremental backup: Using special backup programs, you could use their feature to save just the modified data. This is fast, and can include compression and encryption. However sometimes the user might not be interested to save the history of all the modified data. Also it's not easy to use these programs to save to remote locations like an FTP or WebDAV server, or to restore to a different computer, that might just need only a few files changed to look like the original computer. For the security-concerned, many backup programs use encryption that is not strong and not tested in the real world.

 

  • Backup Chunker: For the utmost speed, encryption and flexibility use Backup Chunker. Our backup software has the unique ability to back up all your files to small to medium sized archives (using the common zip or 7-zip format) that are both compressed and encrypted. On each backup, only the new and modified files are re-compressed, and only the affected chunks changed.

 

 

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