A bit more from the details on the esx host its failing on

......

Completed: Deploy VM ScaleIO-172.25.200.2

Completed: Perform initial configuration for VM: 172.25.200.2

Completed: Install ScaleIO LIA module

Failed: Add SLAVE_MDM to MDM cluster (ScaleIO - Communication error between core components)

Waiting: Install ScaleIO SDS module

......

Hi Simon,

Can you please try to SSH into the deployed SVMs and try to ping all 3 IPs (management+data) in each direction? Please don't run ping from the ESXi, rather from the SVMs and paste the outputs here.

Thanks!

Pawel

Hi Jonathan,

No, I haven't heard from Simon. In most cases the issue lies in the network configuration on the ESXi.

Hi

Am also facing same error i can able to ping both management and data link IP's from my SVM's

Regards

Suriya M

Hi Suriya_007 (and everyone else),

In a case like this,being able to ping is a good start. However, the key here is that it succeeds when creating the Master MDM, as it is still using SSH (port 22) to do the work. When the Master MDM is then up and running, the two ports that the MDM uses, 9011 and 6611, will be taking over for adding all other components (Slave MDMs and SDSes) and SSH is no longer the main communication component here.

Verify that the two ports listed above are open in the firewall as that is most likely the cause of failure here. Also verify that the MTU size on all components is set to the same size, both on the SVM side and the VMware vswitch side. Less likely but still need to check... SSH to the Slave MDM SVM and make sure that the MDM process is up and running.

Hope that helps

Hi Rickh,

As per the above i have open both the port but i can't able to ping primary data link ip to secondery datalink ip and try to check MDM server with service mdm status command but no service is running like this am deploying VMware scaleio deployment

module: SLAVE_MDM]

Apr 14, 2017 7:21:28 PM Host: mcdcesxi09.masscloudspace.local - STARTED: Install ScaleIO Module [IP: 10.20.30.14, module: MASTER_MDM]

Apr 14, 2017 7:21:59 PM Host: mcdcesxi11.masscloudspace.local - SUCCEEDED: Install ScaleIO Module [IP: 10.20.30.16, module: TB]

Apr 14, 2017 7:21:59 PM Host: mcdcesxi10.masscloudspace.local - SUCCEEDED: Install ScaleIO Module [IP: 10.20.30.15, module: SLAVE_MDM]

Apr 14, 2017 7:21:59 PM Host: mcdcesxi09.masscloudspace.local - SUCCEEDED: Install ScaleIO Module [IP: 10.20.30.14, module: MASTER_MDM]

Apr 14, 2017 7:21:59 PM Host: mcdcesxi09.masscloudspace.local - STARTED: Add Master MDM [Mgmt IPs: [10.20.30.14], data IPs: [10.20.70.13]]

Apr 14, 2017 7:22:05 PM Host: mcdcesxi09.masscloudspace.local - SUCCEEDED: Add Master MDM [Mgmt IPs: [10.20.30.14], data IPs: [10.20.70.13]]

Apr 14, 2017 7:22:05 PM Host: mcdcesxi10.masscloudspace.local - STARTED: Add Slave MDM [Mgmt IP: 10.20.30.15, data IP 1: 10.20.70.14, data IP 2: null]

Apr 14, 2017 7:22:10 PM Host: mcdcesxi10.masscloudspace.local - FAILED (Error code: COMMUNICATION_ERROR) : Add Slave MDM [Mgmt IP: 10.20.30.15, data IP 1: 10.20.70.14, data IP 2: null]

Apr 14, 2017 7:36:09 PM Host: mcdcesxi10.masscloudspace.local - STARTED: Add Slave MDM [Mgmt IP: 10.20.30.15, data IP 1: 10.20.70.14, data IP 2: null]

Apr 14, 2017 7:36:13 PM Host: mcdcesxi10.masscloudspace.local - FAILED (Error code: COMMUNICATION_ERROR) : Add Slave MDM [Mgmt IP: 10.20.30.15, data IP 1: 10.20.70.14, data IP 2: null]

Thanks in Advance

Suriya

Hi Implementation stopped in getting with below error

Completed: Deploy VM ScaleIO-10.20.30.15

Completed: Perform initial configuration for VM: 10.20.30.15

Completed: Install ScaleIO LIA module

Failed: Add SLAVE_MDM to MDM cluster (ScaleIO - Communication error between core components)

Waiting: Install ScaleIO SDS module

Waiting: Install ScaleIO RFCACHE module

Waiting: Configure SDC driver on ESX

Waiting: Create VMDK ScaleIO-VMDK-2074960421 on datastore esxi_10_local_ds_02

Waiting: Create VMDK ScaleIO-VMDK-2074960422 on datastore esxi_10_local_ds_01

Waiting: Add SDS device ScaleIO-7bad6225 to Storage Pool MSSI_SP

Waiting: Add SDS device ScaleIO-7bad6226 to Storage Pool MSSI_SP

Any suggestion please

Regards,

Suriya M

Hi Suriya,

According to your own update, you are not able to ping between primary and secondary MDMs. I assume that is what you meant by "i can't able to ping primary data link ip to secondery datalink ip". 

Can you ping the following:

10.20.30.14 <--> 10.20.30.15

10.20.70.13<--> 10.20.70.14

To check if the mdm service is running, just type in "ps -ef |grep mdm". If it isn't running, type in "/opt/emc/scaleio/mdm/bin/create_service.sh", and check again.

You can also look at the /opt/emc/scaleio/mdm/logs/trc.0 to see if there are any clues for why you are unable to communicate. The problem here is definitely because of communication. So either the IP and network is not setup properly to talk, or the service is not up and running.