Alpha Test Lessons
LOCKSS is feasible
~15 caches, 10 months, ~160MB of Science Online
Collected content, detected & repaired deliberate damage
Survived fire, relocation, flaky hardware
Basic mechanisms work
Mixed multi/unicast communication
Over-replicated fault tolerance by “opinion poll”
Linux-based “internet appliance”
But work needed before beta
Administrator GUI
Repair damage from other caches
Hardening against attack