Changeset 674 in MondoRescue

Timestamp:

Jun 17, 2006, 11:57:05 AM (18 years ago)

Author:

andree

Message:

Handle the following format used by some distributions, e.g. Debian, for
LVM devices:

/dev/mapper/<VG>-<LV>

in addition to /dev/<VG>/<LV> where the latter is a link to the former.

This is a fix for Debian bug #362926.

Location:

branches

Files:

• 2.0.8/mindi/mindi (modified) (3 diffs)
• stable/mindi/mindi (modified) (3 diffs)

branches/2.0.8/mindi/mindi

@@ -1291 +1291 @@
 partition_size partition_format outstring partition_number \
 partition_mountpt c_p lwm_info psz lvm_dev unofficial_outstring \
-absolute_partition old_partition_fmt
+absolute_partition old_partition_fmt current_lvolume
 
     echo "Your raw fstab file looks like this:-" >> $LOGFILE
@@ -1389 +1389 @@
 
     partition_format=`$AWK '$1 == "'"$str_to_find_fmt_with"'" {print $3}' $MY_FSTAB`
-    if [ -d "/proc/lvm" ] && [ "`lvdisplay $current_partition 2> /dev/null`" ]; then
+    # Some distributions such as Debian do not put /dev/<VG>/<LV> in fstab
+    # for LVM partitions but use /dev/mapper/<VG>-<LV> instead. Fortunately,
+    # the former is then a link to the latter, so we test whether
+    # $current_partition is actually such a link or not and set
+    # $current_lvolume accordingly. Note that $current_lvolume may well be an
+    # ordinary device. It is just to make sure that we feed the right value
+    # into any of the LVM tools if possible.
+    if [ -d "/dev/mapper" ] && [ -z "`lvm lvdisplay $current_partition 2> /dev/null`" ]; then
+        partition_stub="`echo "$current_partition" | sed "s|^/dev/mapper/|/dev/|" | cut -d"-" -f1`"
+        current_lvolume="`find /dev -lname "$current_partition" | grep "^$partition_stub"`"
+    fi
+    if [ -z "$current_lvolume" ]; then
+        current_lvolume="$current_partition"
+    fi
+    # End of LVM device style variation code (other than $current_lvolume).
+    if [ -d "/proc/lvm" ] && [ "`lvdisplay $current_lvolume 2> /dev/null`" ]; then
         partition_size="lvm"
-    elif [ -d "/dev/mapper" ] && [ "`lvm lvdisplay $current_partition 2> /dev/null`" ]; then
+    elif [ -d "/dev/mapper" ] && [ "`lvm lvdisplay $current_lvolume 2> /dev/null`" ]; then
         partition_size="lvm"
     else
@@ -1417 +1432 @@
     [ "$partition_format" = "swap" ] && partition_mountpt="swap"
     if [ "$partition_mountpt" = "" ] ; then
-        if [ "`pvdisplay $current_partition 2> /dev/null`" != "" ] || [ "`lvm pvdisplay $current_partition 2> /dev/null`" != "" ] ; then
+        if [ "`pvdisplay $current_lvolume 2> /dev/null`" != "" ] || [ "`lvm pvdisplay $current_lvolume 2> /dev/null`" != "" ] ; then
         if  [ "`fgrep device /etc/raidtab 2> /dev/null | grep -w $current_partition`" ] ; then
             partition_mountpt="raid"
             partition_format="raid"
         else
-#           lvm_dev="`pvdisplay $current_partition | grep -i "VG N" | head -n1 | tr -s ' ' ' ' | cut -d' ' -f3`"
+#           lvm_dev="`pvdisplay $current_lvolume | grep -i "VG N" | head -n1 | tr -s ' ' ' ' | cut -d' ' -f3`"
             partition_mountpt="lvm"
             partition_format="lvm"

branches/stable/mindi/mindi

@@ -1291 +1291 @@
 partition_size partition_format outstring partition_number \
 partition_mountpt c_p lwm_info psz lvm_dev unofficial_outstring \
-absolute_partition old_partition_fmt
+absolute_partition old_partition_fmt current_lvolume
 
     echo "Your raw fstab file looks like this:-" >> $LOGFILE
@@ -1389 +1389 @@
 
     partition_format=`$AWK '$1 == "'"$str_to_find_fmt_with"'" {print $3}' $MY_FSTAB`
-    if [ -d "/proc/lvm" ] && [ "`lvdisplay $current_partition 2> /dev/null`" ]; then
+    # Some distributions such as Debian do not put /dev/<VG>/<LV> in fstab
+    # for LVM partitions but use /dev/mapper/<VG>-<LV> instead. Fortunately,
+    # the former is then a link to the latter, so we test whether
+    # $current_partition is actually such a link or not and set
+    # $current_lvolume accordingly. Note that $current_lvolume may well be an
+    # ordinary device. It is just to make sure that we feed the right value
+    # into any of the LVM tools if possible.
+    if [ -d "/dev/mapper" ] && [ -z "`lvm lvdisplay $current_partition 2> /dev/null`" ]; then
+        partition_stub="`echo "$current_partition" | sed "s|^/dev/mapper/|/dev/|" | cut -d"-" -f1`"
+        current_lvolume="`find /dev -lname "$current_partition" | grep "^$partition_stub"`"
+    fi
+    if [ -z "$current_lvolume" ]; then
+        current_lvolume="$current_partition"
+    fi
+    # End of LVM device style variation code (other than $current_lvolume).
+    if [ -d "/proc/lvm" ] && [ "`lvdisplay $current_lvolume 2> /dev/null`" ]; then
         partition_size="lvm"
-    elif [ -d "/dev/mapper" ] && [ "`lvm lvdisplay $current_partition 2> /dev/null`" ]; then
+    elif [ -d "/dev/mapper" ] && [ "`lvm lvdisplay $current_lvolume 2> /dev/null`" ]; then
         partition_size="lvm"
     else
@@ -1417 +1432 @@
     [ "$partition_format" = "swap" ] && partition_mountpt="swap"
     if [ "$partition_mountpt" = "" ] ; then
-        if [ "`pvdisplay $current_partition 2> /dev/null`" != "" ] || [ "`lvm pvdisplay $current_partition 2> /dev/null`" != "" ] ; then
+        if [ "`pvdisplay $current_lvolume 2> /dev/null`" != "" ] || [ "`lvm pvdisplay $current_lvolume 2> /dev/null`" != "" ] ; then
         if  [ "`fgrep device /etc/raidtab 2> /dev/null | grep -w $current_partition`" ] ; then
             partition_mountpt="raid"
             partition_format="raid"
         else
-#           lvm_dev="`pvdisplay $current_partition | grep -i "VG N" | head -n1 | tr -s ' ' ' ' | cut -d' ' -f3`"
+#           lvm_dev="`pvdisplay $current_lvolume | grep -i "VG N" | head -n1 | tr -s ' ' ' ' | cut -d' ' -f3`"
             partition_mountpt="lvm"
             partition_format="lvm"