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Mapr single node installation

Question asked by mayankagarwal on Apr 29, 2015
Latest reply on Apr 29, 2015 by Ted Dunning
I am doing a single node installation of mapr on my machine by reffering to the quick installation guide. I have using the root user for installation but as i run the install command issue is encountered in control-node parameter of the config file.

The error is as below :

* 15:48:25 Interrogating Node(s), Validating Prerequisites, and Starting Install
fatal: [1dns8r1.egi.X.com] => SSH encountered an unknown error during the connection. We recommend you re-run the command using -vvvv, which will enable SSH debugging output to help diagnose the issue
* 15:48:25 Installing Extra Package Repositories If Needed
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Detecting Operating System
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Detecting Operating System
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Creating MapR User
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Installing and Configuring NTP Service
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Installing OpenJDK Packages If Needed
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Detecting Operating System
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Installing MapR Packages
FATAL: no hosts matched or all hosts have already failed -- aborting
* 15:48:25 Disabling MapR Services Until Configured
FATAL: no hosts matched or all hosts have already failed -- aborting
FATAL: no hosts matched or all hosts have already failed -- aborting
Host: 1dns8r1.egi.X.com is unreachable
Control Nodes have failures. Please fix the failures and re-run the installation. For more information refer to the installer log at /opt/mapr-installer/var/mapr-installer.log


Below is my installation confg file structure :

# Each Node section can specify nodes in the following format
# Hostname: localhost
# Specifying disks is optional. If not provided, the installer will use the values of 'disks' from the Defaults section
[Control_Nodes]
1DNS8R1.egi.X.com: /maprfs/storagefile
#control-node2.mydomain: /dev/disk3, /dev/disk9
#control-node3.mydomain: /dev/sdb, /dev/sdc, /dev/sdd
[Data_Nodes]
#data-node1.mydomain
#data-node2.mydomain: /dev/sdb, /dev/sdc, /dev/sdd
#data-node3.mydomain: /dev/sdd
#data-node4.mydomain: /dev/sdb, /dev/sdd
[Client_Nodes]
#client1.mydomain
#client2.mydomain
#client3.mydomain
[Options]
MapReduce1 = false
YARN = true
HBase = false
MapR-DB = true
ControlNodesAsDataNodes = true
WirelevelSecurity = false
LocalRepo = false
[Defaults]
ClusterName = my.cluster.com
User = mapr
Group = mapr
Password = default_password
UID = 2000
GID = 2000
Disks = /dev/sdz
StripeWidth = 3
ForceFormat = false
CoreRepoURL = http://package.mapr.com/releases
EcoRepoURL = http://package.mapr.com/releases/ecosystem-4.x
Version = 4.0.2
MetricsDBHost =
MetricsDBUser =
MetricsDBPassword =
MetricsDBSchema =

Here 1DNS8R1.egi.X.com is my hostname.

The command used to run the installation is :

sudo /opt/mapr-installer/bin/install -K -s --cfg /opt/mapr/bin/config.example new

Please suggest

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