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Man Pages


Manual Reference Pages  -  SG_RMSN (8)

NAME

sg_rmsn - send SCSI READ MEDIA SERIAL NUMBER command

CONTENTS

Synopsis
Description
Options
Notes
Exit Status
Authors
Copyright

SYNOPSIS

sg_rmsn [--help] [--raw] [--readonly] [--verbose] [--version] DEVICE

DESCRIPTION

Send a SCSI READ MEDIA SERIAL NUMBER command to DEVICE and outputs the response.

This command is described in SPC-3 found at www.t10.org . It was originally added to SPC-3 in revision 11 (2003/2/12). It is not an mandatory command and the author has not seen any SCSI devices that support it.

OPTIONS

Arguments to long options are mandatory for short options as well.
-h, --help output the usage message then exit.
-r, --raw sends the serial number (if found) to stdout. This output may contain non-printable characters (e.g. the serial number is padded with NULLs at the end so its length is a multiple of 4). The default action is to print the serial number out in ASCII-HEX with ASCII characters to the right. All error messages are sent to stderr.
-R, --readonly
  opens the DEVICE read-only rather than read-write which is the default. The Linux sg driver needs read-write access for the SCSI READ MEDIA SERIAL NUMBER command but other access methods may require read-only access.
-v, --verbose
  increase the level of verbosity, (i.e. debug output).
-V, --version
  print the version string and then exit.

NOTES

Device identification information is also found in a standard INQUIRY response and its VPD pages (see sg_vpd). The relevant VPD pages are the "device identification page" (VPD page 0x83) and the "unit serial number" page (VPD page 0x80).

The MMC-4 command set for CD/DVD/HD-DVD/BD drives has a "media serial number" feature (0x109) [and a "logical unit serial number" feature]. These can be viewed with sg_get_config.

EXIT STATUS

The exit status of sg_rmsn is 0 when it is successful. Otherwise see the sg3_utils(8) man page.

AUTHORS

Written by Douglas Gilbert.

REPORTING BUGS

Report bugs to <dgilbert at interlog dot com>.

COPYRIGHT

Copyright © 2005-2012 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO

sg_vpd(sg3_utils), sg_get_config(sg3_utils)
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sg3_utils-1.31 SG_RMSN (8) November 2012

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