Sharing the EMC CLARiiON between a host and the systemEdit online The EMC CLARiiON can be shared between a host and the system. Split controller access is only supported when Access Logix is installed and enabled. A host cannot be connected to both the system and EMC CLARiiON at the same time. LUs must not be shared between a host and the system. Partitions in a RAID group must not be shared between a host and the system.