From 27fbfef33c1f23b5448b6cee856bcb3500b33c42 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Mon, 16 Oct 2017 12:01:41 +0200 Subject: [PATCH] blkid: more info about ambivalent results to the man page Signed-off-by: Karel Zak --- misc-utils/blkid.8 | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8 index b296f19f0..8754a988e 100644 --- a/misc-utils/blkid.8 +++ b/misc-utils/blkid.8 @@ -85,6 +85,16 @@ are shown, if they are recognized. has two main forms of operation: either searching for a device with a specific NAME=value pair, or displaying NAME=value pairs for one or more specified devices. + +For security reasons +.B blkid +silently ignores all devices where the probing result is ambivalent (more +collide filesystems is detected). The low-level probing mode (\fB-p\fR) +provides more information and extra return code in this case. +It's recommended to use +.BR wipefs (8) +to get a detailed overview and to erase obsolete stuff (magic strings) from the device. + .SH OPTIONS The \fIsize\fR and \fIoffset\fR arguments may be followed by the multiplicative suffixes like KiB (=1024), MiB (=1024*1024), and so on for GiB, TiB, PiB, EiB, ZiB and YiB