switch

Is SVN's relocate a safe option to synchronize code with two subversion repositories?

Variants of this question have been asked many times, but none of the answers clarified what I am interested in: I would like (obviously... :) to synchronize my local working copy with two repositories on two different servers. If I use svn switch with the --relocate option, is it possible (and reasonably safe) to keep in synch with bo...