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SG_REP_ZONES(8) SG3_UTILS SG_REP_ZONES(8)
NAME
sg_rep_zones - send SCSI REPORT ZONES command
SYNOPSIS
sg_rep_zones [--help] [--hex] [--maxlen=LEN] [--num=NUM] [--partial] [--raw] [--readonly] [--report=OPT]
[--start=LBA] [--verbose] [--version] [--wp] DEVICE
DESCRIPTION
Sends a SCSI REPORT ZONES command to DEVICE and outputs the data returned. This command is found in the ZBC draft
standard, revision 5 (zbc-r05.pdf).
OPTIONS
Arguments to long options are mandatory for short options as well.
-h, --help
output the usage message then exit.
-H, --hex
output the response in hexadecimal to stdout. When used once the whole response is output in ASCII hexadecimal
with a leading address (starting at 0) on each line. When used twice each zone descriptor in the response is
output separately in hexadecimal. When used thrice the whole response is output in hexadecimal with no leading
address (on each line).
-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 maximum allowed value of LEN is 1048576.
-n, --num=NUM
where NUM is the (maximum) number of zone descriptors to print out. The default value is zero which is taken
to mean print out all zone descriptors returned by the REPORT ZONES command.
-p, --partial
set the PARTIAL bit in the cdb.
-r, --raw
output the SCSI response (i.e. the data-out buffer) in binary (to stdout).
-R, --readonly
open the DEVICE read-only (e.g. in Unix with the O_RDONLY flag). The default is to open it read-write.
-o, --report=OPT
where OPT will become the contents of the REPORTING OPTION field in the cdb. The default value is 0 which
means report a list of all zones. Some other values are 1 for list zones with a zone condition of empty; 2
for list zones with a zone condition of implicitly opened; 3 for list zones with a zone condition of explic-
itly opened; 4 for list zones with a zone condition of closed; 5 for list zones with a zone condition of full;
6 for list zones with a zone condition of read only; 7 for list zones with a zone condition of offline. Other
values are 0x10 for list zones with RWP recommended set to true; 0x11 for list zones with non-sequential write
resource active set to true and 0x3f for list zones with a zone condition of not write pointer.
-s, --start=LBA
where LBA is at the start or within the first zone to be reported. The default value is 0. If LBA is not a
zone start LBA then the preceding zone start LBA is used for reporting. Assumed to be in decimal unless pre-
fixed with '0x' or has a trailing 'h' which indicate hexadecimal.
-v, --verbose
increase the level of verbosity, (i.e. debug output).
-V, --version
print the version string and then exit.
-w, --wp
print the write pointer (in hex) only. In the absence of errors, then a hex LBA will be printed on each line,
one line for each zone. Can be usefully combined with the --num=NUM and --start=LBA options.
EXIT STATUS
The exit status of sg_rep_zones 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 (C) 2014-2021 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_reset_wp,sg_zone(sg3_utils)
sg3_utils-1.46 March 2021 SG_REP_ZONES(8)
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