From: Karel Zak <kzak@redhat.com>
Date: Thu, 26 Sep 2013 13:42:54 +0000 (+0200)
Subject: mount: add notes about UUIDs to the man page
X-Git-Tag: v2.24-rc1~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=71e87708b9455324ad17b36029d83cc6583420d9;p=thirdparty%2Futil-linux.git

mount: add notes about UUIDs to the man page

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/fstab.5 b/sys-utils/fstab.5
index 91c31576c0..487480f06a 100644
--- a/sys-utils/fstab.5
+++ b/sys-utils/fstab.5
@@ -88,9 +88,10 @@ writing LABEL=<label> or UUID=<uuid>,
 e.g., `LABEL=Boot' or `UUID=3e6be9de\%-8139\%-11d1\%-9106\%-a43f08d823a6'.
 
 It's also possible to use PARTUUID= and PARTLABEL=. These partitions identifiers
-are supported for GUID Partition Table (GPT) and MAC partition table only.
+are supported for example for GUID Partition Table (GPT).
 
 See
+.BR mount (8),
 .BR blkid (8)
 or
 .BR lsblk (8)
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8
index 8a82e19e25..c99891888f 100644
--- a/sys-utils/mount.8
+++ b/sys-utils/mount.8
@@ -148,8 +148,13 @@ partition
 .B PARTUUID
 or
 .B PARTLABEL
-(partition identifiers are supported for GUID Partition Table (GPT) and MAC
-partition tables only).
+(partition identifiers are supported for example for GUID Partition Table (GPT)
+partition tables).
+
+Don't forget that there is no guarantee that UUIDs and labels are really
+unique, especially if you move, share or copy the device.  Use
+.BR "lsblk -o +UUID,PARTUUID"
+to verify that the UUIDs are really unique in your system.
 
 The recommended setup is to use tags (e.g. LABEL=<label>) rather than
 .B /dev/disk/by-{label,uuid,partuuid,partlabel}