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Diffstat (limited to 'sys-utils/blkreport.8')
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diff --git a/sys-utils/blkreport.8 b/sys-utils/blkreport.8 new file mode 100644 index 000000000..8c4943e81 --- /dev/null +++ b/sys-utils/blkreport.8 @@ -0,0 +1,68 @@ +.TH BLKREPORT 5 "March 2016" "util-linux" "System Administration" +.SH NAME +blkreport \- report zones on a device +.SH SYNOPSIS +.B blkreport +[options] +.RB [ \-z +.IR zone ] +.RB [ \-c +.IR count ] +.I device +.SH DESCRIPTION +.B blkreport +is used to report device zone information. This is useful for +zoned devices that support the ZAC or ZBC command set. +.PP +By default, +.B blkreport +will report on up to 4k zones from the start of the block device. +Options may be used to modify this behavior based on the starting zone or +size of the report, as explained below. +.PP +The +.I device +argument is the pathname of the block device. +.PP +.SH OPTIONS +The +.I offset +and +.I length +arguments may be followed by the multiplicative suffixes KiB (=1024), +MiB (=1024*1024), and so on for GiB, TiB, PiB, EiB, ZiB and YiB (the "iB" is +optional, e.g., "K" has the same meaning as "KiB") or the suffixes +KB (=1000), MB (=1000*1000), and so on for GB, TB, PB, EB, ZB and YB. +Additionally the common 0x prefix can be used to specify zone and length in hex. +.TP +.BR \-z , " \-\-zone "\fIoffset\fP +The starting zone of the report specified as a sector offset. +The provided offset in sector units (512 bytes) should match the start of a zone. +The default value is zero. +.TP +.BR \-c , " \-\-count "\fIlength\fP +The maximum number of zones to be returned by the report from the block device. +Default is 4006, max is 65536 +.TP +.BR \-v , " \-\-verbose" +Display the number of zones returned in the report. +.I offset +and +.IR length . +.TP +.BR \-V , " \-\-version" +Display version information and exit. +.TP +.BR \-h , " \-\-help" +Display help text and exit. +.SH AUTHOR +.MT shaun@tancheff.com +Shaun Tancheff +.ME +.SH SEE ALSO +.BR sg_rep_zones (8) +.SH AVAILABILITY +The blkreport command is part of the util-linux package and is available from +.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/ +Linux Kernel Archive +.UE . |