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From: Sam Vilain (sam_at_vilain.net)
Date: Tue 12 Mar 2002 - 12:12:33 GMT


ragnar_at_this.is wrote:

> > My script[1] is not tied to a distribution at all; it merely scans X
> > (where X >= 2) directory structures, and where files are identical in
> > the two structures, it hard links them
> This sound great. But hard link them to where?

To each other.

> I think there should be a structure outside of the vservers.

Feel free to do so. It will be treated as an equal.

> If 25 ververs are running 2 or more distributions
> we will have 2 or more "versions" of the bin "ftp"

That's the intention.

> and a unify "cache" :-) in
> /opt/vservers/unify-pool/usr/bin/ftp/md5sum-filename-1
> /opt/vservers/unify-pool/usr/bin/ftp/md5sum-filename-2

I do like the idea of a cache, however it might be just as easy to just
use a perl module like DB_File & Storable and store this:

  inode # -> { [ stat $filename ], SHA1sum }

structure in it.

> > and optionally sets immutable and immutable linkage
> > invert inode attributes,
> Could this be in a config file for each vserver?

I'm not sure this makes any sense :-) If you want different attributes,
run them with a seperate unify command.

Sam.


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