sg_luns
(1m)
Name
sg_luns - send the SCSI REPORT LUNS command
Synopsis
sg_luns [--decode] [--help] [--hex] [--maxlen=LEN] [--quiet]
[--raw] [--select=SR] [--verbose] [--version] DEVICE
Description
SG3_UTILS SG_LUNS(8)
NAME
sg_luns - send the SCSI REPORT LUNS command
SYNOPSIS
sg_luns [--decode] [--help] [--hex] [--maxlen=LEN] [--quiet]
[--raw] [--select=SR] [--verbose] [--version] DEVICE
DESCRIPTION
Send the SCSI REPORT LUNS command to the DEVICE and outputs
the response. In the SPC-3 SCSI standard support for this
command is mandatory.
OPTIONS
Arguments to long options are mandatory for short options as
well.
-d, --decode
decode logical unit numbers into their hierarchical
parts. Interprets luns as described in SAM-3 when the
HiSup bit is set in a standard INQUIRY's response.
-h, --help
output the usage message then exit.
-H, --hex
output response to this command in ASCII hex.
-m, --maxlen=LEN
where LEN is the (maximum) response length in bytes. It
is placed in the cdb's "allocation length" field. If
not given (or LEN is zero) then 8192 is used. The maxi-
mum allowed value of LEN is 65536.
-q, --quiet
output ASCII hex rendering of each report lun, one per
line.
-r, --raw
output response in binary (to stdout).
-s, --select=SR
this option sets the 'select report' field (SR) in the
SCSI REPORT LUNS command. The default value is 0. When
0 is given (or this option is not specified) then the
DEVICE should yield a list of luns addressable via this
"I_T nexus" that use the following lun addressing meth-
ods: logical unit addressing, peripheral device
addressing and flat space addressing. When 1 is given
the DEVICE should yield a list of only "well known"
logical units addressable via this "I_T" nexus. When 2
is given the DEVICE should yield all luns addressable
via this "I_T" nexus. To simplify, for the I_T nexus
sg3_utils-1.33 Last change: August 2011 1
SG3_UTILS SG_LUNS(8)
associated with the DEVICE, the meanings of the SR val-
ues are:
0 : all luns excluding well known logical units
1 : well known logical units
2 : all luns
Values between 0xf8 and 0xff (inclusive) are vendor
specific (SPC-4 (rev 32), other values greater than 2
are reserved.
-v, --verbose
increase the level of verbosity, (i.e. debug output).
-V, --version
print the version string and then exit.
EXIT STATUS
The exit status of sg_luns is 0 when it is successful. Oth-
erwise see the sg3_utils(8) man page.
AUTHORS
Written by Douglas Gilbert.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright (C) 2004-2011 Douglas Gilbert
This software is distributed under a FreeBSD license. There
is NO warranty; not even for MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.
ATTRIBUTES
See attributes(5) for descriptions of the following
attributes:
+---------------+--------------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+--------------------------+
|Availability | system/storage/sg3_utils |
+---------------+--------------------------+
|Stability | Uncommitted |
+---------------+--------------------------+
SEE ALSO
sg_inq(8)
NOTES
This software was built from source available at
https://java.net/projects/solaris-userland. The original
community source was downloaded from
sg3_utils-1.33 Last change: August 2011 2
SG3_UTILS SG_LUNS(8)
http://sg.danny.cz/sg/p/sg3_utils-1.33.tgz
Further information about this software can be found on the
open source community website at
http://sg.danny.cz/sg/sg3_utils.html.
sg3_utils-1.33 Last change: August 2011 3