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69 lines
1.5 KiB
Groff
69 lines
1.5 KiB
Groff
.\" Title: vol_id
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.\" Author:
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.\" Generator: DocBook XSL Stylesheets v1.72.0 <http://docbook.sf.net/>
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.\" Date: March 2006
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.\" Manual: vol_id
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.\" Source: volume_id
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.\"
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.TH "VOL_ID" "8" "March 2006" "volume_id" "vol_id"
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.SH "NAME"
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vol_id \- probe filesystem type and read label and uuid
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.SH "SYNOPSIS"
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.HP 7
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\fBvol_id\fR [\fB\-\-export\fR] [\fB\-t\fR] [\fB\-l\fR] [\fB\-u\fR] [\fIdevice\fR]
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.SH "DESCRIPTION"
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.PP
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\fBvol_id\fR
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is usually called from a udev rule, to provide udev with the filesystem type, the label and the uuid of a volume.
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\fBvol_id\fR
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supports all common filesystem formats and detects various raid setups to prevent the recognition of raid members as a volume with a filesystem.
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.SH "OPTIONS"
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.PP
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\fB\-\-export\fR
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.RS 4
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print all values in key/value format to import them into the environment.
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.RE
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.PP
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\fB\-t\fR
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.RS 4
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print the filesystem type
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.RE
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.PP
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\fB\-l\fR
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.RS 4
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print the safe version of volume label suitable for use as filename. Use
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\fB\-L\fR
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to print literal label
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.RE
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.PP
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\fB\-u\fR
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.RS 4
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print the uuid of a volume
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.RE
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.PP
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\fB\-L\fR
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.RS 4
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print raw volume label
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.RE
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.SH "ENVIRONMENT"
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.PP
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\fBUDEV_LOG\fR
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.RS 4
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Set the syslog priority.
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.RE
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.SH "EXIT STATUS"
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.PP
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\fBvol_id\fR
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will only return successful if the value asked for is not empty. All trailing whitespace will be removed, spaces replaced by underscore and slashes ignored.
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.SH "AUTHOR"
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.PP
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Written by Kay Sievers
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<kay.sievers@vrfy.org>
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.SH "SEE ALSO"
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.PP
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\fBudev\fR(7)
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