Made a cluster.
We were extracting stuff out of it via URL, with a database to lookup where
each URL lived, so we could have different files live on different servers.
(If we'd wanted everything to look like it lived on exactly the same machine,
we could have had one machine mount the other machines' space via samba or
nfs, but that would have created extra network traffic inside the cluster.)
The proposed design was to have the whole cluster look like it was at 1
public IP address via IP masquerading and port forwarding (port 80 is the
apache on node 0, 81 is the apache on node 1, 82 is the apache on node 2...)
This was just to save world-routable IPs. We didn't get that far...
Bascially, we just wanted lots of storage, cheap and reliable (we were doing
RAID 5 across the disks in each cluster), and didn't care what it looked
like. We were also experimenting with DVD jukeboxes to feed data into the
cluster (the cluster was cache for larger offline storage, the project was to
license syndicated television content (old episodes of mash, battlestar
galactica, you name it) and provide video on demand for a flat monthly fee.
Each local cable company would have a cluster, which would pull data through
the internet from servers in atlanta or california, wherever an ultimate
content licensor lived. It could be shipped around on DVD stacks too...)
Fun project. Too bad it didn't work out...
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