Merge pull request #35 from bougyman/master 20150407

3: Detect and deactivate LVM Volume Groups on shutdown

2 files changed, 21 insertions, 0 deletions

diff --git a/3 b/3
index c40c894..d0428d6 100755
--- a/3
+++ b/3
@@ -49,6 +49,8 @@ fi
 sync
 
 if [ -z "$VIRTUALIZATION" ]; then
+    deactivate_vgs
+    deactivate_crypt
     if [ -e /run/runit/reboot ] && command -v kexec >/dev/null; then
         msg "Triggering kexec..."
         kexec -e 2>/dev/null
diff --git a/functions b/functions
index 35449c1..971d288 100644
--- a/functions
+++ b/functions
@@ -34,3 +34,22 @@ detect_virt() {
        export VIRTUALIZATION=1
    fi
 }
+
+deactivate_vgs() {
+   _group=${1:-All}
+   if [ -x /sbin/vgchange ]; then
+       vgs=$(vgs|wc -l)
+       if [ $vgs -gt 0 ]; then
+           msg "Deactivating $_group LVM Volume Groups..."
+           vgchange -an
+       fi
+   fi
+}
+
+deactivate_crypt() {
+   if [ -x /sbin/dmsetup ]; then
+       msg "Deactivating Crypt Volumes"
+       dmsetup ls --target crypt --exec 'cryptsetup close'
+       deactivate_vgs "Crypt"
+   fi
+}