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August 18th, 2016 15:00

ScaleIO Cluster went down and after the MDM's came back both are in Secondary state How do I fix this

I have a ScaleIO 1.32.5 cluster ,both the ESXi host which had PMDM & SMDM  went down together.After they came back up both are showing as secondary MDM's.How can i fix this any advice will be great ?

August 20th, 2016 14:00

Assisted on SR opened by Rishi.

25 Posts

August 19th, 2016 14:00

Have you tried running the command on the MDM to swap between primary and secondary?  I was wondering if your just having a display issue and by issuing the command it might correct that.  Page 324 of the user guide.

scli --switch_mdm_ownership (--new_master_mdm_id |

--new_master_mdm_ip [--new_master_mdm_port

]| --new_master_mdm_name )

August 20th, 2016 07:00

You may try to restart the MDM service on both the MDMs one by one.

Stop service:

/opt/emc/scaleio/mdm/bin/delete_service.sh

Start service:

/opt/emc/scaleio/mdm/bin/create_service.sh

Thereafter again check the output of "scli --query_cluster"

August 20th, 2016 07:00

Can you please post the output of "scli --query_cluster" here. You may mask the IP addresses in the output before posting them here.

August 20th, 2016 09:00

Can't use the command since both are secondary

August 20th, 2016 09:00

August 20th, 2016 09:00

This is the error I get after service restart :

scli --query_cluster --use_nonsecure_communication

Error: MDM failed command.  Status: The command used for Tie-Breaker is not allowed

I guess now all the three are showing as Tie Breaker

August 20th, 2016 09:00

Is the the same error when you run "scli --query_cluster" on all the 3 MDMs?

August 20th, 2016 09:00

Since both MDM's are in secondary state you can't issue scli commands

August 20th, 2016 09:00

I will suggest to collect get-info from all the MDMs and open a Service Request with Tech Support and we can investigate.

August 20th, 2016 14:00

Sanjeev thanks for your help .Keep up the good work.

25 Posts

August 22nd, 2016 08:00

Seems like it would be more helpful to the community if the answer was posted vs an SR number.

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