martin f. krafft: Check if all known arrays are listed in mdadm.conf

[Martin F. Krafft]

Module: mdadm
Branch: master
Commit: b6ce13f1b19301164c53059654e177b0f8d304b9
URL:    http://git.debian.org/?p=pkg-mdadm/mdadm.git;a=commit;h=b6ce13f1b19301164c53059654e177b0f8d304b9

Author: martin f. krafft <madduck at debian.org>
Date:   Sat Apr 25 17:29:40 2009 +0200

Check if all known arrays are listed in mdadm.conf

Patch from Adrian Bridgett: the initramfs hook now checks to see if all known
arrays are listed in mdadm.conf and issues a warning if this is not the case.

Debian bug: 519328

Signed-off-by: martin f. krafft <madduck at debian.org>

---

 debian/changelog      |    3 +++
 debian/initramfs/hook |   12 ++++++++++++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/debian/changelog b/debian/changelog
index 1d7f483..cbabd82 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -10,6 +10,9 @@ mdadm (2.6.9-1) unstable; urgency=low
     and since the alternative does not affect people who already have an MTA
     installed, or have a preference, it won't affect them.
   * Honour debconf pre-selection of mdadm/initrdstart (closes: #516802).
+  * Incorporate patch from Adrian Bridgett: the initramfs hook now checks to
+    see if all known arrays are listed in mdadm.conf and issues a warning if
+    this is not the case (closes: #519328).
 
  -- martin f. krafft <madduck at debian.org>  Thu, 12 Mar 2009 13:08:43 +0100
 
diff --git a/debian/initramfs/hook b/debian/initramfs/hook
index d824285..93ca081 100644
--- a/debian/initramfs/hook
+++ b/debian/initramfs/hook
@@ -231,6 +231,18 @@ if [ "$INITRDSTART" != none ] && [ -n "$devpairs" ]; then
     esac
   done
 
+  # see if /etc/mdadm/mdadm.conf looks like it's missing devices
+  if [ -x $MDADM ]; then
+    $MDADM --detail --scan | while read array device rubbish; do
+      if ! echo $devs | grep -qw $device; then
+        warn "You appear to be missing $device from /etc/mdadm/mdadm.conf"
+        warn "If this is required to boot you must add this line:"
+        rubbish=`echo $rubbish | sed 's/metadata=[^ ]* //'`
+        warn "$array $device $rubbish"
+      fi
+    done
+  fi
+
   for i in $INITRDSTART; do
     case "$INITRDSTART" in all|none|'') break;; *) :;; esac
     case "$devs" in