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authorscottl <scottl@FreeBSD.org>2005-04-07 20:50:38 +0000
committerscottl <scottl@FreeBSD.org>2005-04-07 20:50:38 +0000
commit986a072ce4b5a38b5add610206c1e35411075393 (patch)
tree1abb6c5c28c7d9b8e9defb0ab64c7cd6e5a41605 /bin/dd
parent948057b5032232b99c9cebe4de3ab58474de21e2 (diff)
downloadFreeBSD-src-986a072ce4b5a38b5add610206c1e35411075393.zip
FreeBSD-src-986a072ce4b5a38b5add610206c1e35411075393.tar.gz
Document problems with writing to disks under GEOM.
Diffstat (limited to 'bin/dd')
-rw-r--r--bin/dd/dd.111
1 files changed, 10 insertions, 1 deletions
diff --git a/bin/dd/dd.1 b/bin/dd/dd.1
index 196835a..3b397ae 100644
--- a/bin/dd/dd.1
+++ b/bin/dd/dd.1
@@ -392,10 +392,19 @@ Remove parity bit from a file:
Check for (even) parity errors on a file:
.Pp
.Dl "dd if=file conv=pareven | cmp -x - file"
+.Sh BUGS
+Protection mechanisms in the
+.Xr geom 4
+subsystem might prevent the super-user from writing blocks to a disk.
+Instructions for temporarily disabling these protectsion mechanisms can be
+found in the
+.Xr geom 4
+manpage.
.Sh SEE ALSO
.Xr cp 1 ,
.Xr mt 1 ,
-.Xr tr 1
+.Xr tr 1 ,
+.Xr geom 4
.Sh STANDARDS
The
.Nm
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