Document problems with writing to disks under GEOM.
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=144758
11
bin/dd/dd.1
11
bin/dd/dd.1
@ -392,10 +392,19 @@ Remove parity bit from a file:
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Check for (even) parity errors on a file:
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.Pp
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.Dl "dd if=file conv=pareven | cmp -x - file"
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.Sh BUGS
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Protection mechanisms in the
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.Xr geom 4
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subsystem might prevent the super-user from writing blocks to a disk.
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Instructions for temporarily disabling these protectsion mechanisms can be
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found in the
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.Xr geom 4
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manpage.
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.Sh SEE ALSO
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.Xr cp 1 ,
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.Xr mt 1 ,
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.Xr tr 1
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.Xr tr 1 ,
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.Xr geom 4
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.Sh STANDARDS
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The
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.Nm
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