Use at the server console to scan all LUNs of all SCSI adapters in the server or all LUNs associated with a designated SCSI adapter.
IMPORTANT: SCAN ALL forces a scan and takes an order of magnitude longer to execute than SCAN FOR NEW DEVICES does. SCAN ALL should be used only when you know that there is an undetected device on a LUN other than LUN0.
SCAN ALL An
Several utilities perform much the same operation, but they each differ in some respects.