You may want to check this JIRA:
It won't help you right know but it could allow you next time to avoid
On Mon, Mar 18, 2013 at 3:52 PM, Brennon Church <[EMAIL PROTECTED]> wrote:
> Hello all,
> We have our dfs.name.dir configured to write to two local and one NFS
> directories. The NFS server in question had to be restarted a couple days
> back and that copy of the namenode data fell behind as a result. As I
> understand it, restarting hadoop will take the most recent copy of the
> namenode data, in this case one of the two local copies, and write that to
> all three locations going forward. So that solves the problem.
> My question is this, is there a way to get the NFS copy of the data back
> in sync without having to shut down and restart the namenode? I'd prefer to
> not take an outage if I can help it.