It doesn't, at least on the version I have access to, as it is configured on that cluster. I’m using Linux rather than AIX. fcntl(2) locks are supported (as l

It doesn't, at least on the version I have access to, as it is configured on that cluster. I’m using Linux rather than AIX. fcntl(2) locks are supported (as long as they aren't OFD), but flock(2) locks don't work across nodes.