49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
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From: Peter Jones <pjones@redhat.com>
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Subject: [PATCH] Add a check file for multipath.
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Date: Fri, 22 Jan 2010 10:56:40 -0500
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If multipath isn't installed, don't use it. If we're in hostonly mode,
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only install the multipath module if it's used for / . Otherwise, if
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the user was dumb enough to install it, they get it during bootup.
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---
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modules.d/90multipath/check | 27 +++++++++++++++++++++++++++
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1 files changed, 27 insertions(+), 0 deletions(-)
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create mode 100755 modules.d/90multipath/check
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diff --git a/modules.d/90multipath/check b/modules.d/90multipath/check
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new file mode 100755
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index 0000000..d0cad4c
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--- /dev/null
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+++ b/modules.d/90multipath/check
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@@ -0,0 +1,27 @@
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+#!/bin/bash
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+
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+# if there's no multipath binary, no go.
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+which multipath >/dev/null 2>&1 || exit 1
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+
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+[[ $1 = -d ]] && exit 0
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+
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+. $dracutfunctions
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+[[ $debug ]] && set -x
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+
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+is_mpath() {
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+ [ -e /sys/dev/block/$1/dm/uuid ] || return 1
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+ [[ $(cat /sys/dev/block/$1/dm/uuid) =~ ^mpath- ]] && return 0
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+ return 1
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+}
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+
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+# If we're in hostonly mode, do mpath if we appear to be using it for /
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+if [[ $1 = -h ]]; then
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+ rootdev=$(find_root_block_device)
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+ if [[ $rootdev ]]; then
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+ check_block_and_slaves is_mpath "$rootdev" && exit 0
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+ fi
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+ exit 1
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+fi
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+
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+# the user installed it, they get it...
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+exit 0
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--
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1.6.5.2
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