man page — script for adding and removing SCSI devices without rebooting

Synopsis [options] [host [host ...]]


-a, --alltargets
scan all targets, not just currently existing [default: disabled]
enable debug [default: 0]
activates scanning for LUNs 0--7 [default: 0]
activates scanning for LUNs 0--NUM [default: 0]
-w, --wide
scan for target device IDs 0--15 [default: 0--7]
enables scanning of channels 0 1 [default: 0 / all detected ones]
-r, --remove
enables removing of devices [default: disabled]
-f, --flush
flush failed multipath devices [default: disabled]
-i, --issue-lip
issue a FibreChannel LIP reset [default: disabled]
-u, --update
look for existing disks that have been remapped
-s, --resize
look for resized disks and reload associated multipath devices, if applicable
rescan existing devices
remove and readd every device (DANGEROUS)
don't stop looking for LUNs is 0 is not found
use coloured prefixes OLD/NEW/DEL
scan only host(s) in LIST
scan only channel(s) in LIST
scan only target ID(s) in LIST
scan only lun(s) in LIST
--sync, --nosync
issue a sync / no sync [default: sync if remove]
tell kernel to attach sg to LUN 0 that reports PQ=3
tell kernel to try REPORT_LUN even on SCSI2 devices
tell kernel to support LUNs > 7 even on SCSI2 devs

tell kernel to support sparse LUN numbering

Host numbers may thus be specified either directly on cmd line (deprecated) or or with the --hosts=LIST parameter (recommended).

LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges (No spaces allowed.)

See Also Homepage:…

sg3_utils Homepage:

Referenced By

scsi-rescan(8) is an alias of

leden 2014 1.57 User Commands