21st May Class cancelled ?


7 Answer(s)


I am also waiting for trainer it almost 30 minutes now. Can anybody can confirm from Dzyre side please.


It is 10PM here is EST timezone. Can someone from Dezyre support team please confirm if the class is cancelled?


Getting this issue can anybody can help me on this.

hadoop@hadoop:~$ sudo rm -r /usr/local/hadoop/hdfs
[sudo] password for hadoop:
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/userlogs': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/taskTracker': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/tt_log_tmp': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/ttprivate': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/blocksBeingWritten': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/VERSION': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/blk_5909661859202459297': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/blk_5909661859202459297_3675.meta': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/dncp_block_verification.log.curr': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/VERSION_bkp_05_20_2018': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/detach': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/tmp': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/current/fsimage': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/current/fstime': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/current/VERSION': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/current/edits': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/previous.checkpoint/fsimage': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/previous.checkpoint/fstime': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/previous.checkpoint/VERSION': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/previous.checkpoint/edits': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/image/fsimage': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/name/in_use.lock': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/current/fsimage': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/current/fstime': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/current/VERSION': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/current/edits': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/image/fsimage': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/namesecondary/in_use.lock': Read-only file system
 


no clue, rescheduling is fine by giving heads up.


Even I am not able to connect for last 30-minutes. I see ' Waiting for the host the meeting'

 

 


Can anybody help me on this issue getting it while running below command can't remove files from HDFS

 

hadoop@hadoop:~$: command not found
hadoop@hadoop:~$  sudo rm -r /usr/local/hadoop/hdfs
[sudo] password for hadoop:
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/userlogs': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/taskTracker': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/tt_log_tmp': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/mapred/local/ttprivate': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/blocksBeingWritten': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/VERSION': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/blk_5909661859202459297': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/blk_5909661859202459297_3675.meta': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/dncp_block_verification.log.curr': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/current/VERSION_bkp_05_20_2018': Read-only file system
rm: cannot remove '/usr/local/hadoop/hdfs/dfs/data/detach': Read-only file system
 


Praveen - You might have missed a step to change user permission using chown command. 

Either way can you run the command: ls -ltr on the below directories, grab the snapshot of the output and share it here

/usr/local/hadoop/hdfs

/usr/local/hadoop/