Re: COW fs (Re: Editing-in-place of a large file)

John P. Looney (
Mon, 10 Sep 2001 10:35:49 +0100

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On Mon, Sep 10, 2001 at 12:28:51PM +0300, VDA mentioned:
> Now, sometimes we use hardlinks as "poor man's COW fs", but
> I bet it's error prone. Every now and then you forget it's a
> hardlinked kernel tree and start happily hacking in it... :-(

And of course hardlinks don't work on directories...

> A "compressor" which hunts and merges duplicate blocks is a bonus,
> not a primary tool.

Checkout - it's an excellent tool
for hunting down duplicate files, dangling links etc.


John Looney Chief Scientist
a n t e f a c t o t: +353 1 8586004 f: +353 1 8586014

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