From 401f095c39b732b4247bd728cb493eb7bb692298 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 4 Mar 2013 17:25:36 +1100 Subject: [PATCH] mdadm.8: Detail use for IMSM_NO_PLATFORM environment variable. Suggested-by: Marcin Tomczak --- mdadm.8.in | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/mdadm.8.in b/mdadm.8.in index a3abc2d2..1c06533c 100644 --- a/mdadm.8.in +++ b/mdadm.8.in @@ -2710,6 +2710,21 @@ to '1', the .I mdadm will create and devices that are needed. +.TP +.B IMSM_NO_PLATFORM +A key value of IMSM metadata is that it allows interoperability with +boot ROMs on Intel platforms, and with other major operating systems. +Consequently, +.I mdadm +will only allow an IMSM array to be created or modified if detects +that it is running on an Intel platform which supports IMSM, and +supports the particular configuration of IMSM that is being requested +(some functionality requires newer OROM support). + +These checks can be suppressed by setting IMSM_NO_PLATFORM=1 in the +environment. This can be useful for testing or for disaster +recovery. You should be aware that interoperability may be +compromised by setting this value. .SH EXAMPLES .B " mdadm \-\-query /dev/name-of-device" -- 2.39.2