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