Usually it should not take long time as add nodes would the basic discovery and sanity checks on the node. See if you have any errors in /var/log/hmc/hmc.log ?
On Mon, Aug 6, 2012 at 10:33 AM, Artem Ervits <[email protected]> wrote: > Looks like I was doing everything wrong. I was pointing id_rsa.pub instead > of id_rsa file. Doing ssh –I id_rsa root@namenode 'ls' " works. Now when > I go through the install, after I click add nodes, it takes a long time, > w/out any progress notifications. Is that normal? > > From: Suhas Vitthal Gogate <[email protected]> > Reply-To: "[email protected]" < > [email protected]> > Date: Saturday, August 4, 2012 2:44 PM > To: "[email protected]" <[email protected]> > > Subject: Re: Ambari initialize cluster step 2 issue > > Artem, looking at the following output you sent, looks like you still > requires password input from user when run "ssh -I priv_key root@remote" > from ambari server, Is it true? Could you ssh to root@remote without > password, after protecting private key? > > (Sorry if I am repeating something others have already mentioned but in > that case ignore this message. Just want to make sure we take care of > basic things before look into further.. ). > > --Suhas > > On Fri, Aug 3, 2012 at 2:19 PM, Artem Ervits <[email protected]> wrote: > >> I just setup a one-way root passwordless ssh access from Ambari to the >> two other nodes. Still can't get it to work. I disabled iptables and >> SElinux on all machines. I found Hitesh's powerpoint on slideshare :), >> http://www.slideshare.net/Hadoop_Summit/managing-hadoop-clusters-with-ambariand >> am looking at the Hortonworks install guide as well. >> **** >> >> ** ** >> >> Result of ssh -I priv_key root@remote returned:**** >> >> ** ** >> >> **** >> >> ** ** >> >> In the error log, I found errors here:**** >> >> ** ** >> >> [2012:08:03 >> 20:52:47][ERROR][sequentialScriptExecutor][sequentialScriptRunner.php:272][]: >> Encountered total failure in transaction 100 while running cmd: >> /usr/bin/php ./addNodes/findSshableNodes.php with args: demo root 41 100 42 >> /var/run/hmc/clusters/demo/hosts.txt**** >> >> ** ** >> >> ** ** >> >> My hosts.txt file looks like this:**** >> >> ** ** >> >> namenode**** >> >> datanode**** >> >> ** ** >> >> ** ** >> >> -----Original Message----- >> From: Jennie Cochran-Chinn [mailto:[email protected]] >> Sent: Friday, August 03, 2012 4:49 PM >> To: [email protected] >> Subject: Re: Ambari initialize cluster step 2 issue >> >> ** ** >> >> What if hduser has passwordless sudo?**** >> >> ** ** >> >> On 8/3/12 1:33 PM, "Hitesh Shah" <[email protected]> wrote:**** >> >> ** ** >> >> >Yes - the ssh key needs to be for root. The node discovery and setup *** >> * >> >> >phase involves installing rpms, etc that require root-level permissions. >> **** >> >> >** ** >> >> >-- Hitesh**** >> >> >** ** >> >> >On Aug 3, 2012, at 1:20 PM, Jennie Cochran-Chinn wrote:**** >> >> >** ** >> >> >> Gotta be root user? Sounds like Artem is using hduser?**** >> >> >>** ** >> >> >> On 8/3/12 1:16 PM, "Vitthal "Suhas" Gogate" <[email protected]>** >> ** >> >> >>wrote:**** >> >> >>** ** >> >> >>> Looks like things are failing while contacting and doing sanity **** >> >> >>> checks for the nodes being added.. although I guess you need to use >> **** >> >> >>> the private rsa key to do the passwd-less ssh to remote nodes.. You >> **** >> >> >>> can manually try from ambari server ssh -i priv_key **** >> >> >>> root@remote_host to see that works..**** >> >> >>>** ** >> >> >>>** ** >> >> >>> Also can you post the relevant part of the log at **** >> >> >>> /var/log/hmc/hmc.log to see what exact error you getting..**** >> >> >>>** ** >> >> >>> --Suhas**** >> >> >>>** ** >> >> >>> On Fri, Aug 3, 2012 at 12:09 PM, Artem Ervits <[email protected]> >> wrote:**** >> >> >>>> Hello all, I'm trying to install a Hadoop cluster with Ambari on *** >> * >> >> >>>>one VM and two additional nodes that will serve as a hadoop **** >> >> >>>>cluster. On step 2, where it says to add nodes, I select the **** >> >> >>>>id_rsa.pub file for the user I'm running the install with, let's *** >> * >> >> >>>>call it hduser. I already copied the ssh keys to all machines and ** >> ** >> >> >>>>setup passwordless ssh to each and all machines. I also select **** >> >> >>>>/etc/hosts file that has all three VMs. When I hit next, it fails ** >> ** >> >> >>>>for some or all of the machines. I then created another file called >> **** >> >> >>>>hosts, containing the names of only two machines participating in a >> **** >> >> >>>>hadoop cluster, excluding the Ambari server. The add nodes step **** >> >> >>>>fails again due to permission denied again. It does, still include * >> *** >> >> >>>>my Ambari server as the 3rd server to install hadoop on. Is there ** >> ** >> >> >>>>anything that I'm doing wrong?**** >> >> >>>>** ** >> >> >>>> Thank you.**** >> >> >>>>** ** >> >> >>>> This electronic message is intended to be for the use only of the ** >> ** >> >> >>>>named recipient, and may contain information that is confidential ** >> ** >> >> >>>>or privileged. 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