conf/example.conf.in | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/conf/example.conf.in b/conf/example.conf.in
index b37e0b2..fec779b 100644
--- a/conf/example.conf.in
+++ b/conf/example.conf.in
@@ -1125,6 +1125,16 @@ global {
 	# When enabled, an LVM command that changes PVs, changes VG metadata,
 	# or changes the activation state of an LV will send a notification.
 	notify_dbus = 1
+
+	# Configuration option global/io_memory_size.
+	# The amount of memory in KiB that LVM allocates to perform disk io.
+	# LVM performance may benefit from more io memory when there are many
+	# disks or VG metadata is large. Increasing this size may be necessary
+	# when a single copy of VG metadata is larger than the current setting.
+	# This value should usually not be decreased from the default; setting
+	# it too low can result in lvm failing to read VGs.
+	# This configuration option has an automatic default value.
+	# io_memory_size = 8192
 }
 
 # Configuration section activation.