Also, investigate why it is happening. Usually it is a block replication issue like a replication factor greater than the number of DataNodes. Chris On Jul 2, 2014 9:32 AM, "hadoop hive" <[email protected]> wrote:
> Use Hadoop dfsadmin -safemode leave > > Then you can delete > On Jul 2, 2014 6:37 PM, "Chris Mawata" <[email protected]> wrote: > >> The NameNode is in safe mode so it is read only. >> On Jul 2, 2014 2:28 AM, "EdwardKing" <[email protected]> wrote: >> >>> I want to remove hadoop directory,so I use hadoop fs -rmr,but it can't >>> remove,why? >>> >>> [hdfs@localhost hadoop-2.2.0]$ hadoop fs -ls >>> Found 2 items >>> drwxr-xr-x - hdfs supergroup 0 2014-07-01 17:52 >>> QuasiMonteCarlo_1404262305436_855154103 >>> drwxr-xr-x - hdfs supergroup 0 2014-07-01 18:17 >>> QuasiMonteCarlo_1404263830233_477013424 >>> >>> [hdfs@localhost hadoop-2.2.0]$ hadoop fs -rmr *.* >>> rmr: DEPRECATED: Please use 'rm -r' instead. >>> rmr: `LICENSE.txt': No such file or directory >>> rmr: `NOTICE.txt': No such file or directory >>> rmr: `README.txt': No such file or directory >>> >>> [hdfs@localhost hadoop-2.2.0]$ hadoop fs -la >>> Found 2 items >>> drwxr-xr-x - hdfs supergroup 0 2014-07-01 17:52 >>> QuasiMonteCarlo_1404262305436_855154103 >>> drwxr-xr-x - hdfs supergroup 0 2014-07-01 18:17 >>> QuasiMonteCarlo_1404263830233_477013424 >>> >>> And I try mkdir a directory,but I still fail >>> [hdfs@localhost hadoop-2.2.0]$ hadoop fs -mkdir abc >>> mkdir: Cannot create directory /user/hdfs/abc. Name node is in safe mode. >>> >>> How can I do it? Thanks. >>> >>> >>> --------------------------------------------------------------------------------------------------- >>> Confidentiality Notice: The information contained in this e-mail and any >>> accompanying attachment(s) >>> is intended only for the use of the intended recipient and may be >>> confidential and/or privileged of >>> Neusoft Corporation, its subsidiaries and/or its affiliates. If any >>> reader of this communication is >>> not the intended recipient, unauthorized use, forwarding, printing, >>> storing, disclosure or copying >>> is strictly prohibited, and may be unlawful.If you have received this >>> communication in error,please >>> immediately notify the sender by return e-mail, and delete the original >>> message and all copies from >>> your system. Thank you. >>> >>> --------------------------------------------------------------------------------------------------- >>> >>
