Can you make sure you still have enough HDFS space once you kill this DN? If not, HDFS will automatically enter safemode if it detects there's no hdfs space available. The error message on the logs should have some hints on this.
Cheers. On 28 Jul 2014, at 16:56, Satyam Singh <[email protected]> wrote: > Hello, > > > I have hadoop cluster setup of one namenode and two datanodes. > And i continuously write/read/delete through hdfs on namenode through hadoop > client. > > Then i kill one of the datanode, still one is working but writing on datanode > is getting failed for all write requests. > > I want to overcome this scenario because at live traffic scenario any of > datanode might get down then how do we handle those cases. > > Can anybody face this issue or i am doing something wrong in my setup. > > Thanx in advance. > > > Warm Regards, > Satyam
