Hi,

> Anybody have experience in running drb across different operating 
> systems?
> I'm using ruby 1.6.7 and drb 1.3.6; the Blades run solaris 2.8 and the 
> SP
> nodes aix 4.3.3.0 . (My guess is that the problem may be due to an
> incompatibility with how the serialization is taking place on the two
> systems; drb.rb:107 is a Marshal::load)


> (druby://<host>:8080) /u/raja/lib/ruby/site_ruby/1.6/drb/drb.rb:107:in 
> `load': class DRb::DRbObject needs to have method `_load' (TypeError)

I think that the version of dRuby of one of machines is old.
Please check the version of dRuby library.

Seki