Hi Mike! Unfortunately I don't have the directory /proc/scsi/qla2xxx. However the target sees PRLI from the host again after reconnecting the cable between the initiator and the switch. Does it mean the rediscovering new devices on initiator side is already done? Thanks, Maxim. MS> Historically the qlogic driver rescan is a 2-phase process: MS> 1) schedule the rescan, e.g.: echo scsi-qlascan > /proc/scsi/qla2xxx/4 MS> 2) rescan, e.g.: echo - - - > /sys/class/scsi_host/host4/scan MS> BUT, I've just used scsi-qlascan to discover _new_ devices... not MS> existing devices that experienced FC connection loss. I assume the MS> qla driver _should_ just bring those lost devices back? But does the MS> historic 2-phase rescan for new devices speak to why the qlogic driver MS> doesn't automagically bring the old devices back? Or has the latest MS> qlogic driver in mainline advanced past this 2-phase requirement in MS> general? MS> regards, MS> Mike MS> Mike - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html