---
name: "rescan-scsi-bus"
section: "8"
platform: "linux"
package: "scsitools"
version: "0.12-3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/rescan-scsi-bus"
---

# rescan-scsi-bus(8)

rescan the SCSI bus.

## NAME

rescan-scsi-bus.sh - rescan the SCSI bus.

## SYNOPSIS

**rescan-scsi-bus.sh** \[ **-l** \] \[ **-w** \] \[ **-c** \] \[ **-r** \] \[ **host...** \]

## DESCRIPTION

**rescan-scsi-bus.sh** is a program that is used to rescan the SCSI bus using the SCSI add-single-device feature of the Linux SCSI layer.

## OPTIONS

- **-l**

  Activates scanning for LUNs 0 .. 7 (default: 0).

- **-L** *NUM*

  Activates scanning for LUNs 0 .. LUN (default: 0).

- **--luns**=*LIST*

  Scan only LUNs in *LIST*.

- **-w**

  Enables scanning for device IDs 0 .. 15 (default: 0 .. 7).

- **--ids**=*LIST*

  Scan only device IDs in *LIST*.

- **-i**, **--issue-lip**

  Issue a FibreChannel LIP reset (default: disabled).

- **-r**, **--remove**

  Enables removing of devices (default: disabled).

- **--forceremove**

  Remove and readd every device (dangerous).

- **-c**

  Enables scanning of channels 0 1 (default: 0).

- **--channels**=*LIST*

  Scan only channels in *LIST*.

- **host**, **--hosts**=*LIST*

  If host adapters are given, only these are scanned (default: all).

- **--nooptscan**

  Don't stop looking for LUNs if 0 is not found.

- **--color**

  Use coloured prefixes OLD/NEW/DEL.

*LIST* is a comma separated list of single values and ranges (no spaces allowed), e.g. 0,2-3,8,10-15.

## AUTHOR

**rescan-scsi-bus.sh** was written by Kurt Garloff \<garloff@suse.de\>.

## COPYRIGHT

This program is free software. You can use it under the terms of the **GNU GPL** (General Public License) Version 2 (or any later version, at your option). Note, that the GNU GPL implies, that there is **NO WARRANTY** at all. Full text of the GPL can be found in /usr/share/common-licenses/GPL file.

## AVAILABILITY

**rescan-scsi-bus.sh** is available from

```
http://www.garloff.de/kurt/linux/scsidev/
```