Ok, cool. I thought all the nodetool commands were non blocking.

On Fri, Oct 1, 2010 at 2:02 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
snapshot blocks until it's finished.  it's just fast. :)

On Fri, Oct 1, 2010 at 3:52 PM, Jeremy Davis
<jerdavis.cassandra@gmail.com> wrote:
> Since "nodetool snapshot" returns immediately, how do I know when the
> snapshot process has completed. When is it safe to start copying/taring the
> files to back them up elsewhere?

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support