Hi, When you say replication factor=1 it is trying to look for another data node to store the replica of what is stored in the only data node you have created.
Try using replication factor=0. Srikanth Kommineni On Apr 30, 2012, at 3:07, Brahma Reddy Battula <brahmareddy.batt...@huawei.com> wrote: > Hi > > > I have started hadoop cluster with one NameNode And one DataNode and written > one file with replication factor one. > > Now Edited((To get check-sum error)) written file in DN where block is > located(physically). > > Then I tried to read file ,then I got could not obtain block since block got > corrupted and check-sum error from DN logs. > > After that I removed what ever I edited from block . > > > > Then I try to read file,here I am able to read by using fsshell commands even > though block got corrupted(by fsck report)..But I am getting eof execption > using readfully api. > > After reverting not getting any checksum error from DN logs. > > > Please let me know the behavior once revert back to original > > > > > Thanks And Regards > > Brahma Reddy
