the RAID controller via the SCSI generic driver
.RB ( sg (4)),
with device nodes named
-.IR /dev/sd*,
+.IR /dev/sd* ,
.IR /dev/st* ,
and
.IR /dev/sg* ,
.I /sys/class/scsi_host/host*/rescan
This is a write-only attribute.
Writing to this attribute will cause the driver to scan for
-new, changed, or removed devices (e.g,. hot-plugged tape drives,
+new, changed, or removed devices (e.g., hot-plugged tape drives,
or newly configured or deleted logical drives, etc.)
and notify the SCSI midlayer of any changes detected.
Normally a rescan is triggered automatically