In Namenode UI check and ensure that there are no missing and corrupt blocks. If this is true then you can successfully remove failed disk from DataNode. Refer this for details ... View more

Something wrong with your network side. I can successfully run wget https://www.dropbox.com/s/rv43a05czfaqjlj/Tutorials-master-2.3.zip on my centos box. Could you please try again? Also you can try using http instead of https like below: [centos@cdh-master1 ~]$ wget http://www.dropbox.com/s/rv43a05czfaqjlj/Tutorials-master-2.3.zip [centos@cdh-master1 ~]$ wget https://www.dropbox.com/s/rv43a05czfaqjlj/Tutorials -master-2.3.zip --2016-02-17 14:59:16-- https://www.dropbox.com/s/rv43a05czfaqjlj/Tutorials-mas ter-2.3.zip Resolving www.dropbox.com. 108.160.172.238, 108.160.172.206 Connecting to www.dropbox.com|108.160.172.238|:443. connected. HTTP request sent, awaiting response... 302 FOUND Location: https://dl.dropboxusercontent.com/content_link/bftSrCceMqCQfKKMRuQ1nts 3QapPMFe1qQb39ngRSKPDGK5l2Z5wmpGeGB1pk3iO/file [following] --2016-02-17 14:59:18-- https://dl.dropboxusercontent.com/content_link/bftSrCce MqCQfKKMRuQ1nts3QapPMFe1qQb39ngRSKPDGK5l2Z5wmpGeGB1pk3iO/file Resolving dl.dropboxusercontent.com... 108.160.173.133 Connecting to dl.dropboxusercontent.com|108.160.173.133|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 122908046 (117M) [application/zip] Saving to: “Tutorials-master-2.3.zip” 10% [============> ] 13,040,912 77.8K/s eta 22m 14s ... View more

@Kunal Gaikwad Looks like you are reinstalling from failed attempt. In this case I will suggest to do a clean install rather than correcting/debugging error. By clean install I mean resetting you operating system. From my experience trying to re install on failed/partial installation is cumbersome task. ... View more