From: Michal Soltys <soltys@ziu.info>
Date: Mon, 5 Sep 2011 22:17:23 +0000 (+0200)
Subject: 90mdraid: adjust stock mdadm udev rules
X-Git-Tag: 014~95
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3e5128cf20660c0789f9b4e2285dbc1f35f6799;p=thirdparty%2Fdracut.git

90mdraid: adjust stock mdadm udev rules

Currently shipped mdadm rules incrementally assemble all imsm and native
raids, and do so unconditionally. This causes few issues:

- fine-grained controls in 65-md* are shadowed - for example,
  mdadm.conf's presence tests or uuid checks
- 90dmraid might also conflict with 90mdraid, if user prefers the former
  to handle containers
- possibly other subtle issues

This patch adjusts the behaviour.

Signed-off-by: Michal Soltys <soltys@ziu.info>
---

diff --git a/modules.d/90mdraid/module-setup.sh b/modules.d/90mdraid/module-setup.sh
index de7785db6..91a0769ff 100755
--- a/modules.d/90mdraid/module-setup.sh
+++ b/modules.d/90mdraid/module-setup.sh
@@ -50,6 +50,11 @@ install() {
 
     if [ ! -x /lib/udev/vol_id ]; then
         inst_rules 64-md-raid.rules
+        # remove incremental assembly from stock rules, so they don't shadow
+        # 65-md-inc*.rules and its fine-grained controls, or cause other problems
+        # when we explicitly don't want certain components to be incrementally
+        # assembled
+        sed -i -e '/^ENV{ID_FS_TYPE}==.*ACTION=="add".*RUN+="\/sbin\/mdadm --incremental $env{DEVNAME}"$/d' "${initdir}/lib/udev/rules.d/64-md-raid.rules"
     fi
 
     inst_rules "$moddir/65-md-incremental-imsm.rules"