troubleshoot-site-a-mediator-task.adoc

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sidebar	snapmirror-active-sync/troubleshoot-site-a-mediator-task.html	SM-BC, SMBC, troubleshooting, connectivity, consensus, snapmirror active sync	Troubleshooting link down between Site A and the ONTAP Mediator down and Site B down.

Link between Site A and mediator down and Site B down

When using SnapMirror active sync, you may lose connectivity between the ONTAP Mediator or your peered clusters. You can diagnose the issue by checking the connection, availability, and consensus status of the different parts of the SnapMirror active sync relationship then forcefully resuming connection.

Table 1. Determining the cause

What to check	CLI command	Indicator
Mediator from Site A	snapmirror mediator show	The connection status displays as unreachable
Site B connectivity	cluster peer show	Availability displays as unavailable
Consensus status of the SnapMirror active sync volume	volume show volume_name -fields smbc-consensus	The sm-bc consensus field displays Awaiting-consensus

For additional information about diagnosing and resolving this issue, refer to the Knowledge Base article Link between Site A and Mediator down and Site B down when using SnapMirror active sync.