The IQ_SYSTEM_MAIN dbspace manages important database structures including the free list, which lists blocks in use.
Multiplex secondary node shutting down due to a file added to the IQ_SYSTEM_MAIN dbspace. This node must be synchronized and restarted.
This behavior applies only to the IQ_SYSTEM_MAIN dbspace. Other dbspace operations cause no disruption and all nodes in the multiplex continue to run. See Adding space to IQ_SYSTEM_MAIN on a coordinator.
After adding new files to IQ_SYSTEM_MAIN, synchronize and restart secondary nodes.