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.)

SEE ALSO

rescan-scsi-bus.sh Homepage: http://www.garloff.de/kurt/linux/#rescan-scsi

sg3_utils Homepage: http://sg.danny.cz/sg