Re: Desperate!!!! Expanding,shrinking cluster or replacing failed nodes.

2011-12-20 Thread Arpit Gupta
Message- > From: Harsh J [mailto:ha...@cloudera.com] > Sent: dinsdag 20 december 2011 14:30 > To: common-u...@hadoop.apache.org > Cc: hdfs-dev@hadoop.apache.org > Subject: Re: Desperate!!!! Expanding,shrinking cluster or replacing failed > nodes. > > Hans-Peter, > >

RE: Desperate!!!! Expanding,shrinking cluster or replacing failed nodes.

2011-12-20 Thread Sloot, Hans-Peter
] Sent: dinsdag 20 december 2011 14:30 To: common-u...@hadoop.apache.org Cc: hdfs-dev@hadoop.apache.org Subject: Re: Desperate Expanding,shrinking cluster or replacing failed nodes. Hans-Peter, Adding new nodes is simply (assuming network setup is sane and done): - Install/unpack services on new

Re: Desperate!!!! Expanding,shrinking cluster or replacing failed nodes.

2011-12-20 Thread Harsh J
Hans-Peter, Adding new nodes is simply (assuming network setup is sane and done): - Install/unpack services on new machine. - Deploy a config copy for the services. - Start the services. You should *not* format a NameNode *ever*, after the first time you start it up. Formatting loses all data o