4-14controller Commandscontroller rescanTo rescan the SCSI channels on the currently opened controller andupdate all underlying structures, use the controller rescancommand. The effect of this command is to verify currentlyconnected disks or to recognize new disks added to the channel.This command rescans the disks for the arrays and loads thevolatile array and the partition tables from disks again. If nothingon the disks has changed, controller rescan should have novisible effect. However, if any disk partition structures havechanged, this command causes those changes to be reflected in thearray and partition lists in the controller memory. If you add disksto the controller, the rescan enables you to use those disks.Syntaxcontroller rescan