33 lines
1,022 B
Groff
33 lines
1,022 B
Groff
.TH DISKCTL 8
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.SH NAME
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diskctl \- control disk drive
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.SH SYNOPSIS
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\fBdiskctl\fR \fIdevice\fR \fIcommand\fR [\fIarguments\fR]
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.SH DESCRIPTION
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The \fBdiskctl\fR tool allows one to view and manage settings of,
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and perform actions on, disk drives. The following paragraph lists the
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commands that are currently supported by this tool.
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Please note that not all disks and drivers support all commands.
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.SH COMMANDS
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.TP 10
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\fBgetwcache\fR
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Retrieve the status (on or off) of the write cache on the device.
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.TP 10
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\fBsetwcache\fR [\fBon\fR|\fBoff\fR]
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Enable or disable the write cache on the device.
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Disabling the write cache typically also triggers a cache flush.
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.TP 10
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\fBflush\fR
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Tell the device to flush its write cache.
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The call will not return until the cache flush has completed.
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.SH EXAMPLES
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.TP 20
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.B diskctl /dev/c0d0 setwcache on
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# Turn on the write cache on c0d0.
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.TP 20
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.B diskctl /dev/c1d2 flush
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# Trigger a cache flush on c1d2.
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.SH "SEE ALSO"
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.BR controller (4).
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.SH AUTHOR
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David van Moolenbroek <dcvmoole@cs.vu.nl>
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