06-28-2013
Single quotes turn of meta meanings entirely, so I prefer them, generally. When setting PS1:
- anything for evaluation later must be in single quotes, like $PWD or an effective id or date call.
- Things you can set at login time, like login id, tty or host name, can be barefoot or in double quotes.
This User Gave Thanks to DGPickett For This Post:
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LEARN ABOUT DEBIAN
rescan-scsi-bus
RESCAN-SCSI-BUS.SH(8) System Manager's Manual RESCAN-SCSI-BUS.SH(8)
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/
March 1998 RESCAN-SCSI-BUS.SH(8)