From 0bcc62dd939c8a7931dbfeff76dcef724c7c6e16 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Sat, 29 Oct 2016 16:08:36 +0200
Subject: [PATCH 1/1] qm.adoc: improve Locks section

---
 qm.adoc | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/qm.adoc b/qm.adoc
index c2912c2..b43b5c0 100644
--- a/qm.adoc
+++ b/qm.adoc
@@ -581,12 +581,15 @@ include::qm.conf.5-opts.adoc[]
 Locks
 -----
 
-Online migrations and backups (`vzdump`) set a lock to prevent incompatible
-concurrent actions on the affected VMs. Sometimes you need to remove such a
-lock manually (e.g., after a power failure).
+Online migrations, snapshots and backups (`vzdump`) set a lock to
+prevent incompatible concurrent actions on the affected VMs. Sometimes
+you need to remove such a lock manually (e.g., after a power failure).
 
  qm unlock <vmid>
 
+CAUTION: Only do that if you are sure the action which set the lock is
+no longer running.
+
 
 ifdef::manvolnum[]
 
-- 
2.39.2