summaryrefslogtreecommitdiffstats
path: root/Documentation/admin-guide/md.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/admin-guide/md.rst')
-rw-r--r--Documentation/admin-guide/md.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/md.rst b/Documentation/admin-guide/md.rst
index d973d469ffc4..cc8781b96b4d 100644
--- a/Documentation/admin-guide/md.rst
+++ b/Documentation/admin-guide/md.rst
@@ -426,6 +426,10 @@ All md devices contain:
The accepted values when writing to this file are ``ppl`` and ``resync``,
used to enable and disable PPL.
+ uuid
+ This indicates the UUID of the array in the following format:
+ xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+
As component devices are added to an md array, they appear in the ``md``
directory as new directories named::