My simple structure: two nodes each with esxi 6.7 and local storage. Datacore [sansymphony] is serving virtual disks to esxi through iscsi. Each node has a datacore vm with its software installed. Every time I reboot a node or I turn off both nodes, after reactivating datacore services I need to perform a manual iscsi storage adpater rescan in order get my vm's back. Without this operation, all datastores served by datacore are unaccessible. Datacore support told me there is nothing they can do as it's a esxi issue . This is their answer "