Mag Gam on 14 Feb 2009 10:07:03 -0800

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[PLUG] "pooled" storage

This is more of a theoretical question.

The advantage of pooled storage is it makes more efficient use of
physical storage versus logical volume model. I was wondering if there
is a filesystem technique with symbolic links which can emulate a
pooled storage model similar to ZFS.

I was thinking of something like in this line, have x amount of
physical filesystems:

Then have a logical filesystem:
/pool which would have softlinks (have to be) from /physical/,

ln -s /physical/disk0 /pool/d0;
ln -s /physical/disk1 /pool/d1;
ln -s /physical/disk2 /pool/d2;
ln -s /physical/disk3 /pool/d3;

But I am stuck on how to glue together these 4 logical links into one.
 Is there a "meta data" technique I am not aware of?
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