rescan-scsi-bus.sh (8) Linux Manual Page

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