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From 3a77acd7170199adc690332ded37c41f067c720e Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Mon, 27 Mar 2017 11:15:44 +1100
Subject: [RHEL7.5 PATCH 019/169] udev-md-raid-assembly.rules: Skip
non-ready devices
If a device isn't fully initialized (e.g if it should be
handled by multipathing) it should not be considered for
md/RAID auto-assembly. Doing so can cause incorrect results
such as causing multipath to fail during startup.
There is a convention that the udev environment variable
SYSTEMD_READY be set to zero for such devices. So change
the mdadm rules to ignore devices with SYSTEMD_READY==0.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
---
udev-md-raid-assembly.rules | 3 +++
1 file changed, 3 insertions(+)
diff --git a/udev-md-raid-assembly.rules b/udev-md-raid-assembly.rules
index d0d440a..8ca232a 100644
--- a/udev-md-raid-assembly.rules
+++ b/udev-md-raid-assembly.rules
@@ -7,6 +7,9 @@ ENV{ANACONDA}=="?*", GOTO="md_inc_end"
SUBSYSTEM!="block", GOTO="md_inc_end"
+# skip non-initialized devices
+ENV{SYSTEMD_READY}=="0", GOTO="md_inc_end"
+
# handle potential components of arrays (the ones supported by md)
ENV{ID_FS_TYPE}=="linux_raid_member", GOTO="md_inc"
--
2.7.4