Ubuntu desktop RAID1 boot problem. Post: 302977231

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Operating Systems Linux Ubuntu Ubuntu desktop RAID1 boot problem. Post 302977231 by Reol on Thursday 14th of July 2016 04:57:55 PM

07-14-2016

Registered User

Finally got the RAID1 working.

Hi, just let you know and if someone stumbles in same problem i was able to fix the problem by following measures:

So firstly in busybox i was able to boot while degraded by entering these commands.

Code:

 
(initramfs): mdadm --run /dev/md0
(initramfs): mdadm --run /dev/md1
(initramfs): exit

And to automate the boot when degraded by creating a file /usr/share/initramfs-tools/scripts/local-top/mdadm adding the following to the file:

Code:

patch --verbose --ignore-whitespace <<'EndOfPatch'
--- mdadm
+++ mdadm
@@ -76,7 +76,15 @@
   if $MDADM --assemble --scan --run --auto=yes${extra_args:+ $extra_args}; then
     verbose && log_success_msg "assembled all arrays."
   else
-    log_failure_msg "failed to assemble all arrays."
+    log_warning_msg "failed to assemble all arrays...attempting individual starts"
+    for dev in $(cat /proc/mdstat | grep md | cut -d ' ' -f 1); do
+      log_begin_msg "attempting mdadm --run $dev"
+      if $MDADM --run $dev; then
+        verbose && log_success_msg "started $dev"
+      else
+        log_failure_msg "failed to start $dev"
+      fi
+    done
   fi
   verbose && log_end_msg

EndOfPatch

Then update initrafms with command:
update-initramfs -u

Reol

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LEARN ABOUT DEBIAN

germinate-pkg-diff

GERMINATE-PKG-DIFF(1)					  Ubuntu General Commands Manual				     GERMINATE-PKG-DIFF(1)

NAME

     germinate-pkg-diff -- compare seeds against currently installed packages

SYNOPSIS

     germinate-pkg-diff [-l file] [-m {i|r|d}] [-a arch] [seeds]

DESCRIPTION

     germinate-pkg-diff compares the expansion of a list of seed packages against the set of packages installed on the current system.	When con-
     structing seeds for a software distribution, it can be used to iteratively find packages installed on developers' systems that should be
     included in the seeds.

     A list of seeds against which to compare may be supplied as non-option arguments.	Seeds from which they inherit will be added automatically.
     The default is 'desktop'.

OPTIONS

     -l, --list file
	   Read the list of currently installed packages from file.  The default is to read the output of dpkg --get-selections, and any supplied
	   file should be in the same format.

     -m, --mode {i|r|d}
	   Set the output mode as follows:

	   i	 Show the dpkg selections needed to install just these seeds.  List unseeded but installed files as ``deinstall'', and seeded but
		 uninstalled files as ``install''.

	   r	 List unseeded but installed files as ``install'', and seeded but uninstalled files as ``deinstall''.

	   d	 Show the differences between the packages specified by the seeds and the list of installed packages, in a somewhat diff-like for-
		 mat.

     -S, --seed-source source,...
	   Fetch seeds from the specified sources.  The default is http://people.canonical.com/~ubuntu-archive/seeds/.

     -s, --seed-dist dist
	   Fetch seeds for distribution dist.  The default is ubuntu.precise.

     -d, --dist dist,...
	   Operate on the specified distributions.  The default is precise.  Listing multiple distributions may be useful, for example, when exam-
	   ining both a released distribution and its security updates.

     -a, --arch arch
	   Operate on architecture arch.  The default is i386.

BUGS

     --mode r is useless as dpkg --set-selections input.

AUTHORS

     Lamont Jones <lamont@ubuntu.com>
     Colin Watson <cjwatson@canonical.com>

     germinate-pkg-diff is copyright (C) 2004, 2005, 2006, 2007, 2008 Canonical Ltd.  See the GNU General Public License version 2 or later for
     copying conditions.  A copy of the GNU General Public License is available in /usr/share/common-licenses/GPL.

Ubuntu								   Jul 18, 2007 							    Ubuntu