scsi-rescan (8) - Linux Manuals

scsi-rescan: script for adding and removing SCSI devices without rebooting

NAME

rescan-scsi-bus.sh - script for adding and removing SCSI devices without rebooting

SYNOPSIS

rescan-scsi-bus.sh [options] [host [host ...]]

OPTIONS

-a, --alltargets

scan all targets, not just currently existing [default: disabled]

-d

enable debug [default: 0]

-l

activates scanning for LUNs 0--7 [default: 0]

-L NUM

activates scanning for LUNs 0--NUM [default: 0]

-w, --wide

scan for target device IDs 0--15 [default: 0--7]

-c

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]

-m, --multipath

update multipath devices [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

--forcerescan

rescan existing devices

--forceremove

remove and readd every device (DANGEROUS)

--nooptscan

don't stop looking for LUNs if 0 is not found

--color

use coloured prefixes OLD/NEW/DEL

--hosts=LIST

scan only host(s) in LIST

--channels=LIST

scan only channel(s) in LIST

--ids=LIST

scan only target ID(s) in LIST

--luns=LIST

scan only lun(s) in LIST

--sync, --nosync

issue a sync / no sync [default: sync if remove]

--attachpq3

tell kernel to attach sg to LUN 0 that reports PQ=3

--reportlun2

tell kernel to try REPORT_LUN even on SCSI2 devices

--largelun

tell kernel to support LUNs > 7 even on SCSI2 devs

--sparselun

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.)