Posted Feb 25, 2012 3:18 UTC (Sat) by scientes (guest, #83068)
In reply to: Shared inodes by martinfick
Parent article: Debating overlayfs
What about vhashify http://linux-vserver.org/util-vserver:Vhashify ?
IOW hard-links on steroids.
Now, making this work in full-virtualization environments is not exactly the same problem....and certainly can't be as elegant.