Yep, moving the NN to the secondary larger disk seems to have improved it. Thanks again for your great help Harsh (and others).
Cheers! On Sep 7, 2012, at 08:31 , Harsh J wrote: > The issue was that Keith's NN was out of resources (low disk space) > and that forced the NN into safemode. This was detected on another > thread from him. > > On Fri, Sep 7, 2012 at 1:12 PM, Dino Kečo <dino.k...@gmail.com> wrote: >> Hi Keith, >> >> I was having same problem on my small cluster and some blocks where missing >> on DFS. I have used this command >> >> hadoop dfsadmin -safemode leave >> >> and after that i have run dfs disk check to see which files are corrupted. >> >> Hope this helps, >> Dino Kečo >> msn: xdi...@hotmail.com >> mail: dino.k...@gmail.com >> skype: dino.keco >> phone: +387 61 507 851 >> >> >> On Fri, Sep 7, 2012 at 12:13 AM, Adam Brown <a...@hortonworks.com> wrote: >>> >>> sorry >>> >>> @Keith >>> >>> are you sure your datanodes have reported in? >>> >>> On Thu, Sep 6, 2012 at 3:12 PM, Adam Brown <a...@hortonworks.com> wrote: >>>> Hi Serge, >>>> >>>> are you sure your datanodes have reported in ? >>>> >>>> >>>> >>>> On Tue, Sep 4, 2012 at 10:10 AM, Serge Blazhiyevskyy >>>> <serge.blazhiyevs...@nice.com> wrote: >>>>> Can look in name node logs and post last few lines? >>>>> >>>>> >>>>> >>>>> On 9/4/12 10:07 AM, "Keith Wiley" <kwi...@keithwiley.com> wrote: >>>>> >>>>>> Observe: >>>>>> >>>>>> ~/ $ hd fs -put test /test >>>>>> put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot >>>>>> create file/test. Name node is in safe mode. >>>>>> ~/ $ hadoop dfsadmin -safemode leave >>>>>> Safe mode is OFF >>>>>> ~/ $ hadoop dfsadmin -safemode get >>>>>> Safe mode is ON >>>>>> ~/ $ hadoop dfsadmin -safemode leave >>>>>> Safe mode is OFF >>>>>> ~/ $ hadoop dfsadmin -safemode get >>>>>> Safe mode is ON >>>>>> ~/ $ hd fs -put test /test >>>>>> put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot >>>>>> create file/test. Name node is in safe mode. >>>>>> ~/ $ >>>>>> >>>>>> Grrr! ________________________________________________________________________________ Keith Wiley kwi...@keithwiley.com keithwiley.com music.keithwiley.com "Yet mark his perfect self-contentment, and hence learn his lesson, that to be self-contented is to be vile and ignorant, and that to aspire is better than to be blindly and impotently happy." -- Edwin A. Abbott, Flatland ________________________________________________________________________________