Hello,
On Wed, Apr 13, 2011 at 5:25 AM, Jeffrey Wang <[email protected]> wrote:
> Hey all,
>
> I'm trying to format my NameNode (I've done it successfully in the past), but
> I'm getting a strange error:
>
> 11/04/12 16:47:32 INFO common.Storage: java.io.IOException: Input/output error
> at sun.nio.ch.FileChannelImpl.lock0(Native Method)
> at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:881)
> at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
> at
What's your underlying FS of the ${dfs.name.dir} directories? Are they
NFS mounts?
--
Harsh J
