diff --git a/test_suite/mars/default-resource.conf b/test_suite/mars/default-resource.conf
index eeca7ccd..b0e6c219 100644
--- a/test_suite/mars/default-resource.conf
+++ b/test_suite/mars/default-resource.conf
@@ -135,3 +135,15 @@ resource_mars_dir_full_warn_pattern_list[0]='EMERGENCY: the space on '$global_ma
 ## flag to indicate whether the network connection should be cut while
 ## synching (e.g. after join-resource or invalidate)
 resource_cut_network_connection_while_sync=0
+
+## resource indexed array containing percentages of the filling degrees of
+## /mars beyond which the resources are switched to emergency mode
+declare -g -A resource_emergency_percentage
+resource_emergency_percentage=(
+[lv-1-2]=20
+[lv-2-2]=40
+[lv-3-2]=60
+)
+
+## flag, whether only one resource should be put to emergency mode
+resource_put_only_one_to_emergency=1
diff --git a/test_suite/mars/modules/datadev_full.sh b/test_suite/mars/modules/datadev_full.sh
index 54bb91ba..3e6b5c28 100644
--- a/test_suite/mars/modules/datadev_full.sh
+++ b/test_suite/mars/modules/datadev_full.sh
@@ -61,7 +61,7 @@ function datadev_full_dd_on_device
 
     lib_vmsg "  filling $dev on $host (bs=$bs, count=$count)"
     dd_out=($(lib_remote_idfile $host \
-         "yes $(printf '%0.1024d' $control_nr) | dd of=$dev bs=$bs count=$count 2>&1"))
+         "yes $(printf '%0.1024d' $control_nr) | dd of=$dev oflag=direct bs=$bs count=$count 2>&1"))
     rc=$?
     if [ $should_fail -eq 1 ]; then
         if [ $rc -eq 0 ]; then
diff --git a/test_suite/mars/modules/lib_err.sh b/test_suite/mars/modules/lib_err.sh
index 5fc36273..eee853fd 100644
--- a/test_suite/mars/modules/lib_err.sh
+++ b/test_suite/mars/modules/lib_err.sh
@@ -138,15 +138,17 @@ function lib_err_wait_for_error_messages
     local number_errmsg_req=$4 maxwait=$5
     local count waited=0 rc
 
-    lib_vmsg "  checking existence of file $msg_file on $host"
-    lib_remote_idfile $host "ls -l --full-time $msg_file" || lib_exit 1
     while true; do
-        count=$(lib_remote_idfile $host \
-                "egrep '$errmsg_pattern' $msg_file | wc -l") || lib_exit 1
-        lib_vmsg "  found $count messages (pattern = '$errmsg_pattern'), waited $waited"
-        if [ $count -ge $number_errmsg_req ]; then
-            break
+        lib_vmsg "  checking existence of file $msg_file on $host"
+        if lib_remote_idfile $host "ls -l --full-time $msg_file"; then
+            count=$(lib_remote_idfile $host \
+                    "egrep '$errmsg_pattern' $msg_file | wc -l") || lib_exit 1
+            lib_vmsg "  found $count messages (pattern = '$errmsg_pattern'), waited $waited"
+            if [ $count -ge $number_errmsg_req ]; then
+                break
+            fi
         fi
+        lib_vmsg "  waited $waited for $msg_file to exist or $number_errmsg_req to be found in $msg_file"
         let waited+=1
         sleep 1
         if [ $waited -ge $maxwait ]; then
diff --git a/test_suite/mars/modules/marsadm.sh b/test_suite/mars/modules/marsadm.sh
index 99b0459c..b001ed15 100644
--- a/test_suite/mars/modules/marsadm.sh
+++ b/test_suite/mars/modules/marsadm.sh
@@ -1,4 +1,23 @@
-#!/bin/sh
+#!/bin/bash
+# Copyright 2010-2014 Frank Liepold /  1&1 Internet AG
+#
+# Email: frank.liepold@1und1.de
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#####################################################################
 
 function marsadm_do_cmd
 {
@@ -308,3 +327,12 @@ function marsadm_primary_force
     marsadm_do_cmd $host "primary --force" "$res" || lib_exit 1
     marsadm_do_cmd $host "connect" "$res" || lib_exit 1
 }
+
+# without checks and debug messages
+function marsadm_do_pur_cmd
+{
+    [ $# -eq 3 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
+    local host=$1 cmd="$2" cmd_args="$3"
+    lib_remote_idfile $host "marsadm $cmd --timeout=$marsadm_timeout $cmd_args"
+    return $?
+}
diff --git a/test_suite/mars/modules/mount.sh b/test_suite/mars/modules/mount.sh
index c8667e21..ef089005 100644
--- a/test_suite/mars/modules/mount.sh
+++ b/test_suite/mars/modules/mount.sh
@@ -82,9 +82,8 @@ function mount_mount_data_device
 
 function mount_umount_data_device_all
 {
-    local res_no=${1:-0}
+    local res=${1:-${resource_name_list[0]}}
     local host
-    local res=${resource_name_list[$res_no]}
     for host in ${global_host_list[@]}; do 
         mount_umount_data_device $host $res
     done
diff --git a/test_suite/mars/modules/resource.sh b/test_suite/mars/modules/resource.sh
index 3a364989..b650fbeb 100644
--- a/test_suite/mars/modules/resource.sh
+++ b/test_suite/mars/modules/resource.sh
@@ -23,6 +23,9 @@ function resource_prepare
     if [ $net_clear_iptables_in_prepare_phase -eq 1 ]; then
         net_clear_iptables_all
     fi
+    for res in ${resource_name_list[@]}; do
+        mount_umount_data_device_all $res
+    done
     resource_kill_all_scripts
     cluster_rmmod_mars_all
     cluster_clear_and_umount_mars_dir_all
@@ -241,7 +244,6 @@ function resource_fill_mars_dir
     local mars_dev=$(lv_config_get_lv_device $mars_lv_name)
     local mars_dev_size=$(lv_config_get_lv_size_from_name $mars_lv_name)
     local time_waited writer_pid writer_script write_count control_nr
-    local primary_cksum secondary_cksum
 
     if [ $resource_use_data_dev_writes_to_fill_mars_dir -eq 1 ]; then
         resource_dd_until_mars_dir_full $primary_host $res \
@@ -273,9 +275,7 @@ function resource_fill_mars_dir
     lib_rw_start_writing_data_device $primary_host "writer_pid" \
                                      "writer_script"  0 3 $res ""
 
-    local procfile=/proc/sys/mars/logger_resume
-    lib_vmsg "  setting $primary_host:$procfile to 1"
-    lib_remote_idfile $primary_host "echo 1 >$procfile" || lib_exit 1
+    resource_logger_resume $primary_host
 
     marsadm_do_cmd $secondary_host "invalidate" $res
     lib_wait_for_initial_end_of_sync $primary_host $secondary_host $res \
@@ -289,8 +289,15 @@ function resource_fill_mars_dir
     marsview_wait_for_state $secondary_host $res "disk" "Uptodate" \
                             $resource_maxtime_state_constant || lib_exit 1
 
-    lib_rw_compare_checksums $primary_host $secondary_host $res 0 \
-                             "primary_cksum" "secondary_cksum"
+    lib_rw_compare_checksums $primary_host $secondary_host $res 0 "" ""
+}
+
+function resource_logger_resume
+{
+    local host=$1
+    local procfile=/proc/sys/mars/logger_resume
+    lib_vmsg "  setting $host:$procfile to 1"
+    lib_remote_idfile $host "echo 1 >$procfile" || lib_exit 1
 }
 
 function resource_resize_mars_dir
@@ -342,7 +349,7 @@ function resource_check_low_space_error
     if [ -z "$msgpattern" ]; then
         lib_exit 1 "pattern resource_mars_dir_full_${msgtype}_pattern_list[$err_type] not found"
     fi
-    lib_err_wait_for_error_messages $host $msgfile "$msgpattern" 1 1
+    lib_err_wait_for_error_messages $host $msgfile "$msgpattern" 1 10
 }
 
 function resource_dd_until_mars_dir_full
@@ -797,3 +804,124 @@ function resource_recreate_standalone
     lib_vmsg "  ${FUNCNAME[0]}: sync time: $time_waited"
     lib_rw_compare_checksums $primary_host $secondary_host $res 0 "" ""
 }
+
+function resource_per_resource_emergency
+{
+    local primary_host=${global_host_list[0]}
+    local secondary_host=${global_host_list[1]}
+    local mars_lv_name=${cluster_mars_dir_lv_name_list[$primary_host]}
+    local mars_dev_size_mb=$((1024 * \
+                              $(lv_config_get_lv_size_from_name $mars_lv_name)))
+
+    local dev=$(lv_config_get_lv_device $res)
+    local data_dev=$(resource_get_data_device $res)
+    local data_dev_size=$(lv_config_get_lv_size_from_name $res)
+    local mars_dev=$(lv_config_get_lv_device $mars_lv_name)
+    local time_waited writer_pid writer_script write_count control_nr
+    declare -A writer_script_per_resource
+
+    for res in ${resource_name_list[@]}; do
+        mount_mount_data_device $primary_host $res
+        marsadm_do_cmd $primary_host "emergency-limit" "$res 0" || lib_exit 1
+        lib_rw_start_writing_data_device $primary_host "writer_pid" \
+                                         "writer_script" 0 4 $res $res
+        writer_script_per_resource[$res]=$writer_script
+    done
+
+    if [ $resource_put_only_one_to_emergency -eq 1 ]; then
+        resource_test_emergency_on_one_resource $primary_host $secondary_host \
+                        $mars_lv_name $mars_dev_size_mb lv-1-2
+    else
+        resource_test_emergency_on_all_resources $primary_host $secondary_host \
+                        $mars_lv_name $mars_dev_size_mb
+    fi
+    for res in ${resource_name_list[@]}; do
+        marsadm_do_cmd $primary_host "emergency-limit" "$res 0" || lib_exit 1
+    done
+
+}
+
+# when entering this function it's assumed that a process is actually writing
+# on the primary host
+function resource_test_emergency_on_one_resource
+{
+    [ $# -eq 5 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
+    local primary_host=$1 secondary_host=$2 mars_lv_name=$3 mars_dev_size_mb=$4
+    local res=$5
+    local emergency_percentage=${resource_emergency_percentage[$res]}
+    local fill_size_mb time_waited
+    local marsadm_out host
+    
+    if [ -z "$emergency_percentage" ]; then
+        lib_exit 1 "  missing value in resource_emergency_percentage for resource $res"
+    fi
+
+    fill_size_mb=$(( ($mars_dev_size_mb * $emergency_percentage) / 100 ))
+
+    lib_vmsg "  creating $resource_big_file with $fill_size_mb MB to put $res in emerg. mode on $primary_host"
+
+    datadev_full_dd_on_device $primary_host $resource_big_file $fill_size_mb \
+                              4811 9
+
+    marsadm_do_cmd $primary_host "emergency-limit" \
+                                 "$res $emergency_percentage" || lib_exit 1
+
+    resource_check_low_space_error $primary_host $res "sequence_hole"
+
+    marsadm_out=$(marsadm_do_pur_cmd $primary_host "view-is-emergency" "$res") \
+                                                                || lib_exit 1
+    if [ "$marsadm_out" != "1" ]; then
+        lib_vmsg "  invalid output of marsadm view-is-emergency $res: $marsadm_out" >&2
+        lib_vmsg "  df -h $global_mars_directory on $primary_host:" >&2
+        lib_remote_idfile $primary_host "df -h $global_mars_directory" >&2
+        lib_exit 1 
+    fi
+
+    resource_check_proc_sys_mars_emergency_file $primary_host
+
+    lib_vmsg "  removing $primary_host:$resource_big_file"
+    lib_remote_idfile $primary_host "rm -f $resource_big_file" || lib_exit 1
+
+    resource_logger_resume $primary_host
+
+    marsadm_do_cmd $secondary_host "invalidate" $res
+    lib_wait_for_initial_end_of_sync $primary_host $secondary_host $res \
+                                  $resource_maxtime_initial_sync \
+                                  $resource_time_constant_initial_sync \
+                                  "time_waited"
+    for host in $primary_host $secondary_host; do
+        resource_check_logfile_change $host $res
+    done
+
+    lib_rw_compare_checksums $primary_host $secondary_host $res 0 "" ""
+
+}
+
+function resource_check_logfile_change
+{
+    local host=$1 res=$2
+    local last_logfile last_logfile_old length length_old
+    local waited=0 maxwait=10
+
+    lib_vmsg "  checking whether logfiles are written on $res on $host"
+    last_logfile_old=$(marsadm_get_last_logfile $host $res $host) || lib_exit 1
+    length_old=$(file_handling_get_file_length \
+                                       $host $last_logfile_old) || lib_exit 1
+    lib_vmsg "  start: last logfile:length on $host: $last_logfile_old:$length_old"
+    while true; do
+        last_logfile=$(marsadm_get_last_logfile $host $res $host) || lib_exit 1
+        length=$(file_handling_get_file_length $host $last_logfile) || \
+                                                                    lib_exit 1
+        lib_vmsg "  act.: last logfile:length on $host: $last_logfile:$length"
+        if [ "$last_logfile" != "$last_logfile_old" -o $length -ne $length_old ]
+        then
+            break
+        fi
+        sleep 1
+        let waited+=1
+        lib_vmsg "  waited $waited for logfiles to change for $res on $host"
+        if [ $waited -eq $maxwait ]; then
+            lib_exit 1 "maxwait $maxwait exceeded"
+        fi
+    done
+}
diff --git a/test_suite/mars/test_cases/hardcore/all_resources.conf b/test_suite/mars/test_cases/hardcore/all_resources.conf
new file mode 100644
index 00000000..edfe086f
--- /dev/null
+++ b/test_suite/mars/test_cases/hardcore/all_resources.conf
@@ -0,0 +1,22 @@
+#!/bin/bash
+# Copyright 2010-2014 Frank Liepold /  1&1 Internet AG
+#
+# Email: frank.liepold@1und1.de
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#####################################################################
+
+resource_put_only_one_to_emergency=0
diff --git a/test_suite/mars/test_cases/hardcore/mars_dir_full/per_resource_emergency/all_resources/i_am_a_testdirectory b/test_suite/mars/test_cases/hardcore/mars_dir_full/per_resource_emergency/all_resources/i_am_a_testdirectory
new file mode 100644
index 00000000..e69de29b
diff --git a/test_suite/mars/test_cases/hardcore/mars_dir_full/per_resource_emergency/only_one_resource/i_am_a_testdirectory b/test_suite/mars/test_cases/hardcore/mars_dir_full/per_resource_emergency/only_one_resource/i_am_a_testdirectory
new file mode 100644
index 00000000..e69de29b
diff --git a/test_suite/mars/test_cases/hardcore/only_one_resource.conf b/test_suite/mars/test_cases/hardcore/only_one_resource.conf
new file mode 100644
index 00000000..fe62053b
--- /dev/null
+++ b/test_suite/mars/test_cases/hardcore/only_one_resource.conf
@@ -0,0 +1,22 @@
+#!/bin/bash
+# Copyright 2010-2014 Frank Liepold /  1&1 Internet AG
+#
+# Email: frank.liepold@1und1.de
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#####################################################################
+
+resource_put_only_one_to_emergency=1
diff --git a/test_suite/mars/test_cases/hardcore/per_resource_emergency.conf b/test_suite/mars/test_cases/hardcore/per_resource_emergency.conf
new file mode 100644
index 00000000..d7300c3a
--- /dev/null
+++ b/test_suite/mars/test_cases/hardcore/per_resource_emergency.conf
@@ -0,0 +1,42 @@
+#!/bin/bash
+# Copyright 2010-2013 Frank Liepold /  1&1 Internet AG
+#
+# Email: frank.liepold@1und1.de
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#####################################################################
+
+
+resource_fs_on_data_device_necessary=1
+
+lib_rw_part_of_device_size_written_per_loop=$((1024 * 1024))
+
+## maxtime to wait for secondary to become disk state = Uptodate and
+## repl state = Replaying
+mars_dir_full_maxtime_state_constant=60
+
+
+cluster_mars_dir_lv_name_list=([${global_host_list[0]}]=lv-5-10 [${global_host_list[1]}]=lv-6-100)
+
+resource_name_list=(
+lv-1-2
+lv-2-2
+lv-3-2
+)
+
+resource_set_globals_depending_on_resource_name_list
+
+run_list="resource_prepare resource_run_all resource_per_resource_emergency lib_general_mars_checks_after_every_test"