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1
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1answer
130 views

Can a overlay/union file system be used as makeshift deduplication?

Given a union file system (mhddfs, unionfs, aufs) would it save me anything if I overlaid a writable file system over one with a bunch of ISO files, say Ubuntu 10.04, and then use zsync to update the ...
5
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1answer
909 views

Are there any deduplication scripts that use btrfs CoW as dedup?

Looking for deduplication tools on Linux there are plenty, see e.g. this wiki page. Allmost all scripts do either only detection, printing the duplicate file names or removing duplicate files by ...
1
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1answer
569 views

Synchronize directory tree with deduplication?

I have two Linux servers that have a large amount of data (1TB+) that need to be synchronized over a slow connection (100 KB/s). A lot of the data overlaps, but are in different locations. I would ...
8
votes
1answer
466 views

Deduplication on partition level

What are available solutions for block level or more detailed deduplication ? There are file-based ones - with "Copy-On-Write" approach. I'm looking for block level "copy-on-write", so I could ...
45
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14answers
11k views

Is there an easy way to replace duplicate files with hardlinks?

I'm looking for an easy way (a command or series of commands, probably involving find) to find duplicate files in two directories, and replace the files in one directory with hardlinks of the files in ...