StarWind Software

High availability of 3 nodes, shutting down one node, shutting down two nodes, all working normally; After closing all nodes, if you open any node, you cannot connect to the disk. Sometimes you can connect to the second node, sometimes you cannot. If you open the third node, sometimes you can connect, sometimes you cannot. What is the strategy that causes this;
Two nodes are highly available. After shutting down all nodes and opening any one node, the disk cannot be connected. The second node must be opened before the disk can be connected. What should be done if one server fails?

Do you have write back cache? If so, remove it as described here https://knowledgebase.starwindsoftware. ... -l1-cache/.
Most probably, there is an issue with resynchronization. Full synchronization happens when all nodes go down at the same time. See more at https://knowledgebase.starwindsoftware. ... may-start/
Non-synchronized devices cannot be reached over iSCSI, so only synchronized ones are accessible.

do not have write back cache,
After closing all nodes, no matter which node is opened first, it cannot connect to ISCSI

Hi,

Could you please explain what you mean by "closing"? If you shut down all the storage provider VMs there is no storage to connect to and it will remain so until at least the replication partner is marked as synchronized.
If there has been an outage of ALL systems, ALL systems need to start, or one of them has to be marked as synchronized to resume storage connectivity.

all Starwind systems are shut down
no matter which node is opened first , ISCSI cannot be connected,if two turn on,iscsi can connected, but if one of the machines breaks down and only one server remains, can it still be used?If synchronization must be marked, can it be automatically implemented,thanks

You need to bring ALL systems up to start synchronization OR mark the devices on one side manually as synchronized if you cannot bring up all replication partners up.
Follow this approach when marking devices as synchronized manually https://knowledgebase.starwindsoftware. ... -blackout/