On Thu, Mar 1, 2012 at 2:39 AM, aaron morton <aaron@thelastpickle.com> wrote:
I am guessing you are running low on disk space. Can you check and try to free some up ? 

Okay, I've freed some up and am trying again.
Looks like a bug in CompactionTask.execute() see https://issues.apache.org/jira/browse/CASSANDRA-3985

Hope that helps. 

Yes, thanks.