FAQ
[cc'ing scm-users, which is a better list for this]

Hi Paul,

Eric has a pretty good write-up of the process at
http://www.quora.com/Cloudera/Can-we-install-Cloudera-Manager-to-manage-an-existing-cluster.
In short, you want to stop your existing cluster, and then install CM,
being sure to point the data directories to the same places you used to
have them, and being sure to use "inspect role assignments" to make sure
that the NN and DNs are on the same hosts as before. After that, if there
was a lot of configuration tweaking that you did earlier, you'll have to
re-instate that as well.

Cheers,

-- Philip
On Thursday, November 15, 2012 3:15:34 AM UTC-8, bob_the_web wrote:

Hi,
I have a 50 node cluster
running hadoop-2.0.0+88-1.cdh4.0.0.p0.26.el5.x86_64

I currently manage it manually, but would like to Cloudera Manager. How
hard will it be to install and migrate to Cloudera Manager?

Anyone got any practical experience to share? I did try it several months
ago and it did not go very well! Should I try again?

Thanks
Paul


On Thursday, November 15, 2012 3:15:34 AM UTC-8, bob_the_web wrote:

Hi,
I have a 50 node cluster
running hadoop-2.0.0+88-1.cdh4.0.0.p0.26.el5.x86_64

I currently manage it manually, but would like to Cloudera Manager. How
hard will it be to install and migrate to Cloudera Manager?

Anyone got any practical experience to share? I did try it several months
ago and it did not go very well! Should I try again?

Thanks
Paul

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