Date: Mon, 13 May 2013 15:00:37 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250599 - head/usr.sbin/mfiutil Message-ID: <201305131500.r4DF0bqZ059479@svn.freebsd.org>
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Author: markj Date: Mon May 13 15:00:36 2013 New Revision: 250599 URL: http://svnweb.freebsd.org/changeset/base/250599 Log: 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. MFC in: 3 days Sponsored by: Sandvine Inc. Modified: head/usr.sbin/mfiutil/mfiutil.8 Modified: head/usr.sbin/mfiutil/mfiutil.8 ============================================================================== --- head/usr.sbin/mfiutil/mfiutil.8 Mon May 13 14:00:24 2013 (r250598) +++ head/usr.sbin/mfiutil/mfiutil.8 Mon May 13 15:00:36 2013 (r250599) @@ -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:
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