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Posted to common-user@hadoop.apache.org by Todd Lipcon <to...@cloudera.com> on 2010/02/22 20:36:30 UTC

Re: Namenode data loss

Hi Xiao,

Are you sure that your secondary namenode was properly running before
the dataloss event?

Did you configure multiple dfs.name.dirs for your NN?

-Todd

P.S I moved this thread to common-user - probably a better place than -general.

On Sun, Feb 21, 2010 at 8:20 PM, xiao yang <ya...@gmail.com> wrote:
> My namenode failed, and I can't find data back on this machine.
> I have look into the data directory in secondary namenode, but the
> "name" directory is empty.
> What should I do?
>
> Thanks!
> Xiao
>