Hi, It's just in my home directory, which is an NFS mount. I moved it off NFS and it seems to work fine. Is there some reason it doesn't work with NFS?
-Jeffrey -----Original Message----- From: Harsh J [mailto:[email protected]] Sent: Wednesday, April 13, 2011 3:48 AM To: [email protected] Subject: Re: namenode format error 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
