svn commit: r252093 - stable/9/usr.sbin/mfiutil

[Mark Johnston]

Author: markj
Date: Sat Jun 22 05:32:11 2013
New Revision: 252093
URL: http://svnweb.freebsd.org/changeset/base/252093

Log:
  MFC r250599:
  Add a remark to the effect that a manually started relearn will always
  result in the battery being completely drained, even in transparent learning
  mode.

Modified:
  stable/9/usr.sbin/mfiutil/mfiutil.8
Directory Properties:
  stable/9/usr.sbin/mfiutil/   (props changed)

Modified: stable/9/usr.sbin/mfiutil/mfiutil.8
==============================================================================
--- stable/9/usr.sbin/mfiutil/mfiutil.8	Sat Jun 22 05:25:12 2013	(r252092)
+++ stable/9/usr.sbin/mfiutil/mfiutil.8	Sat Jun 22 05:32:11 2013	(r252093)
@@ -573,6 +573,10 @@ Updates the flash on the controller with
 A reboot is required for the new firmware to take effect.
 .It Cm start learn
 Start a battery relearn.
+Note that this seems to always result in the battery being completely drained,
+regardless of the BBU mode.
+In particular, the controller write cache will be disabled during the relearn
+even if transparent learning mode is enabled.
 .It Cm bbu Ar setting Ar value
 Update battery backup unit (BBU) properties related to battery relearning.
 The following settings are configurable: