scsi-rescan(8)

1RESCAN-SCSI-BUS.SH(1)            User Commands           RESCAN-SCSI-BUS.SH(1)
2
3
4

NAME

6       rescan-scsi-bus.sh  -  script  to  add  and remove SCSI devices without
7       rebooting
8

SYNOPSIS

10       rescan-scsi-bus.sh   [--alltargets]   [--attachpq3]   [-c]    [---chan‐
11       nels=CLIST]  [--color] [-d] [--flush] [-f] [--forceremove] [--forceres‐
12       can]    [--help]    [--hosts=HLIST]    [--ids=TLIST]     [--ignore-rev]
13       [--issue-lip]  [-i]  [--issue-lip-wait=SECS]  [-I  SECS]  [-l] [-L NUM]
14       [--largelun] [--luns=LLIST] [-m] [--multipath] [--nooptscan] [--nosync]
15       [--remove]  [--removelun2] [--resize] [--sparselun] [--sync] [--update]
16       [--version] [--wide] [HOST1 [HOST2 ...]]
17

OPTIONS

19       Option are ordered by their long name. Those without a  long  name  are
20       ordered as if their single letter was a long name.
21
22       -a, --alltargets
23              scan  all  targets,  not  just currently existing [default: dis‐
24              abled]
25
26       --attachpq3
27              tell kernel to attach sg to LUN 0 that reports PQ=3
28
29       -c     enables scanning of channels 0 1   [default: 0  /  all  detected
30              ones]
31
32       --channels=CLIST
33              scan only channel(s) in CLIST
34
35       --color
36              use coloured prefixes OLD/NEW/DEL
37
38       -d     enable debug                       [default: 0]
39
40       -f, --flush
41              flush failed multipath devices     [default: disabled]
42
43       --forceremove
44              remove and readd every device (DANGEROUS)
45
46       --forcerescan
47              rescan existing devices
48
49       -h, --help
50              print usage message then exit
51
52       --hosts=HLIST
53              scan only host(s) in HLIST
54
55       --ids=TLIST
56              scan only target ID(s) in TLIST
57
58       --ignore-rev
59              ignore  (firmware) revision change. This is the third text field
60              (4 bytes long) in a standard INQUIRY response.
61
62       -i, --issue-lip
63              issue a FibreChannel LIP reset     [default: disabled]
64
65       -I SECS, --issue-lip-wait=SECS
66              issue a FibreChannel LIP reset and then wait SECS seconds.
67
68       -L NUM activates scanning for LUNs 0--NUM [default: 0]
69
70       -l     activates scanning for LUNs 0--7   [default: 0]
71
72       --largelun
73              tell kernel to support LUNs > 7 even on SCSI2 devs
74
75       --luns=NLIST
76              scan only lun(s) in NLIST
77
78       -m, --multipath
79              update multipath devices           [default: disabled]
80
81       --nooptscan
82              don't stop looking for LUNs is 0 is not found
83
84       --nosync
85              do not issue a sync [default: sync if remove]
86
87       -r, --remove
88              enables removing of devices        [default: disabled]
89
90       --reportlun2
91              tell kernel to try REPORT_LUN even on SCSI2 devices
92
93       -s, --resize
94              look for resized disks and reload associated multipath  devices,
95              if applicable
96
97       --sparselun
98              tell kernel to support sparse LUN numbering
99
100       --sync issue a sync [default: sync if remove]
101
102       -u, --update
103              look for existing disks that have been remapped
104
105       -V, --version
106              shows version string then exits. The version string is a numeric
107              datestamp of the form YYYYMMDD.
108
109       -w, --wide
110              scan for target device IDs 0--15   [default: 0--7]
111
112              Host numbers may thus be specified either directly on  cmd  line
113              (deprecated) or with the --hosts=LIST parameter (recommended).
114
115       Arguments to options that end in LIST (e.g. TLIST) can have this form:
116           A[-B][,C[-D]]...
117       which is a comma separated list of single values and/or ranges (no spa‐
118       ces allowed).
119

NAME

SYNOPSIS

OPTIONS

SEE ALSO