Thanks for this information. I'm now attempting to back out of this
configuration. I need to add the JOURNALNODE component manually to two
more of my nodes. I did this through the API but have not started the
JOURNALNODE service on either yet. Is there anything I need to do (i.e.
reinitialize s
To get a quorum you need to have : number of QJM / 2 +1 so in case of 3 you
need 2 servers to be up. If you've got 3 QJM on each side, in case of
losing a DC, you will never get quorum as it will require 4 nodes. When you
lose your DC with the 2 QJMs, you could manually start Hadoop on the second
D
Adding in some Hadoop folks to chime in here.
On Wed, Dec 11, 2013 at 5:35 AM, Chadwick Banning wrote:
> Hi all,
>
> I have an Ambari 1.4/HDP 2.0.6 environment that is split between two data
> centers -- a main site and a recovery site. We have NameNode HA enabled
> with automatic failover and
Hi all,
I have an Ambari 1.4/HDP 2.0.6 environment that is split between two data
centers -- a main site and a recovery site. We have NameNode HA enabled
with automatic failover and the problem we are facing is how to divide the
journal nodes across both sites so that failover happens appropriate
