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Feature Name
LessFS
Summary
LessFS is a filesystem deduplication project. The aim is to reduce disk usage where filesystem blocks are identical by only storing 1 block and using pointers to the original block for copies. This method of storage is becoming popular in Enterprise solutions for reducing disk backups and minimising virtual machine storage in particular.
Owner
- Name: Duncan Innes
- Email: duncan AT innes DOT net
Current status
- Targeted release: ?
- Last updated: 2010-11-12
- Percentage of completion: 0%
Detailed Description
Benefit to Fedora
This will bring an as yet unavailable enterprise tool to Fedora. Storage is becoming the biggest consumer of energy in the datacentre. De-duplication will help bring that power and cost requirement down.
Scope
Attempts have been made to package as an RPM but seem to have stalled.
How To Test
User Experience
De-duplication will be noticeable to target users by greatly reducing the disk space requirements for backups to disk and for virtual machine storage. Greater reductions are seen where many images/backups share a common data set.
Dependencies
Contingency Plan
None necessary - this is a new feature and does not change any current part of Fedora