diff --git a/README.md b/README.md
index ce943e6..4fc3906 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,8 @@ The problem:
 1 - manage xen server with simple commands 
 2 - new backup script
 
+mdmxen - root dir, on deploy put it /root/bin/mdmxen
+- lib - library dir
+- etc - config dir, for backup config etc
+- bin - shell scripts and other utils
+/Users/mikedm/Projects/xen-tools/mdmxen/lib/fn_rotation.fsh
diff --git a/mdmxen/bin/mdmxen_backuper.sh b/mdmxen/bin/mdmxen_backuper.sh
new file mode 100644
index 0000000..d011f99
--- /dev/null
+++ b/mdmxen/bin/mdmxen_backuper.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+# mdmxen project - backuper for backup vm with days rotation etc
+# version 0-test
+
+# include this host config
+. /root/bin/mdmxen/etc/host.cfg
+# include libraries for work
+. /root/bin/mdmxen/lib/libsys.sh
+. /root/bin/mdmxen/lib/librotation.sh
+. /root/bin/mdmxen/lib/libxen.sh
+
+#main
+putlog "---------- Start $ME ----------"
+send_state "starting script"
+
+# lock file test
+putlog "test lock file"
+locktest_state
+# test backup directory
+putlog "backup target test"
+hddtest
+ltest_state "backup target test"
+# create lock file
+putlog "create lock file"
+lockcreate
+ltest_state "create lock file"
+# clear tmp directory
+putlog "clear tmp directory"
+cleartmp
+ltest_state "clear tmp directory"
+# begin backup
+putlog "begin backup"
+send_state "on backup"
+
+send_state "run before actions"
+putlog "run before action"
+. /root/bin/mdmxen/etc/before.cfg
+
+send_state "run vms actions"
+putlog "run vms action"
+
+. /root/bin/mdmxen/etc/vms.cfg
+
+# rotation
+putlog "call rotation function"
+# AMOUNT_OF_DAYS
+send_state "on rotation"
+day_rotation_state 3
+
+send_state "run after actions"
+putlog "run after action"
+. /root/bin/mdmxen/etc/before.cfg
+
+putlog "delete lock file"
+lockdelete
+ltest_state "delete .lock file"
+putlog "create ok file"
+okcreate
+ltest_state "create ok file"
+send_state "done"                  
+putlog "SUCCESS_BACKUP"
+putlog "---------- finish $ME ----------"
\ No newline at end of file
diff --git a/mdmxen/etc/after.cfg b/mdmxen/etc/after.cfg
new file mode 100644
index 0000000..f19819f
--- /dev/null
+++ b/mdmxen/etc/after.cfg
@@ -0,0 +1 @@
+# mdmxen project = put here exec to run after backup
\ No newline at end of file
diff --git a/mdmxen/etc/before.cfg b/mdmxen/etc/before.cfg
new file mode 100644
index 0000000..c61fae5
--- /dev/null
+++ b/mdmxen/etc/before.cfg
@@ -0,0 +1 @@
+# mdmxen project = put here exec to run before backup
\ No newline at end of file
diff --git a/mdmxen/etc/host.cfg b/mdmxen/etc/host.cfg
new file mode 100644
index 0000000..1a32a39
--- /dev/null
+++ b/mdmxen/etc/host.cfg
@@ -0,0 +1,20 @@
+# mdmxen project = host configuration
+
+# state for monitoring
+STATE_DIR="/var/tmp/backuper.state"
+# log file
+FLOG="/var/log/backup.log"
+# current hostname
+ME="XEN_ME"
+# temporary directory for export vms
+TMP_DIR="/mnt/backup/tmp"
+# lock file
+FLOCK="/var/run/backup.lock"
+# flag file for backup volume
+FBACK="/mnt/backup/iambackup.txt"
+# directory for day rotation
+DAYS_DIR="/mnt/backupxfs/days"
+# current target dir
+TARGET_DIR="/mnt/backupxfs/days/1"
+# months rotation dir
+MONTHS_DIR="/mnt/backupxfs/months"
\ No newline at end of file
diff --git a/mdmxen/etc/readme.md b/mdmxen/etc/readme.md
new file mode 100644
index 0000000..f421517
--- /dev/null
+++ b/mdmxen/etc/readme.md
@@ -0,0 +1,4 @@
+host.cfg		current host config
+vms.cfg			virtual machines list with backup configurations (format vmuuid vmname compress)
+before.cfg		tasks before backup
+after.cfg		tasks after backup, for example rsync time machine etc
diff --git a/mdmxen/etc/vms.cfg b/mdmxen/etc/vms.cfg
new file mode 100644
index 0000000..09a45d7
--- /dev/null
+++ b/mdmxen/etc/vms.cfg
@@ -0,0 +1,11 @@
+# mdmxen project = virtual machines list for backup
+#
+# backup vm run state from snapshot where UUID and file name and archive trigger (true false)
+# backup_vm_run_snap UUID name true
+# 
+# backup vm poweroff state
+# backup_vm_off  UUID name true
+#
+# backup vm poweroff state and snapshot created and vm running again. 
+# so backup from snapshot when poweroff state
+# backup_vm_off_snap  UUID name true
\ No newline at end of file
diff --git a/mdmxen/lib/librotation.sh b/mdmxen/lib/librotation.sh
new file mode 100644
index 0000000..6df3bb2
--- /dev/null
+++ b/mdmxen/lib/librotation.sh
@@ -0,0 +1,290 @@
+# mdmxen project - library for backup rotation
+
+day_rotation(){
+AMOUNT_OF_DAYS=$1
+putlog "prepare archive"
+putlog "remove old day - ${AMOUNT_OF_DAYS}"
+rm -rf "$DAYS_DIR/${AMOUNT_OF_DAYS}"
+ret=$?
+if [[ $ret == "0" ]]
+    then putlog "--- SUCCESS remove"
+    else putlog "--- FAILURE remove. error code $ret. exit" ; exit 2 ;
+fi
+
+tt=""
+for (( c=$AMOUNT_OF_DAYS; c>=1; c-- ))
+do
+        if [[ $c == $AMOUNT_OF_DAYS ]]
+                then
+                        let "y=$c-1"
+                        if ! [[ $y == "0" ]]
+                                then  tt=`echo "$y"`
+                        fi
+                else
+                        let "y=$c-1"
+                        if ! [[ $y == "0" ]]
+                                then  tt=`echo "$tt $y"`
+                        fi
+        fi
+done
+
+for j in $tt
+do
+    let "pp=$j + 1"
+    putlog "move day $j to $pp"
+    mv "$DAYS_DIR/$j" "$DAYS_DIR/$pp"
+    ret=$?
+    if [[ $ret == "0" ]]
+        then putlog "--- SUCCESS move dir $j to $pp"
+        else putlog "--- FAILURE move dir $j to $pp. error code $ret. exit"; exit 3 ;
+    fi
+done
+
+
+putlog "start create curren day dir"
+mkdir -p $DAYS_DIR/1
+ret=$?
+if [[ $ret == "0" ]]
+    then putlog "--- SUCCESS create current day dir"
+    else putlog "--- FAILURE create current day dir. error code $ret. exit"; exit 4;
+fi
+
+putlog "move tmp to last day"
+mv $TMP_DIR/* $TARGET_DIR/
+ltest $?
+}
+
+month_rotation(){
+AMOUNT_OF_MONTH=$1
+putlog "test first day of month"
+if [[ $(date +%d) == "01" ]]
+then
+    putlog "first day of month. start month copy and move"
+    putlog "remove old dir"
+    rm -rf $MONTHS_DIR/${AMOUNT_OF_MONTH}
+    ret=$?
+    if [[ $ret == "0" ]]
+       then putlog "--- SUCCESS remmove dir ${AMOUNT_OF_MONTH}"
+        else putlog "--- FAILURE remmove dir ${AMOUNT_OF_MONTH}"; exit 27;
+    fi
+tt=""
+for (( c=$AMOUNT_OF_MONTH; c>=1; c-- ))
+do
+	if [[ $c == $AMOUNT_OF_DAYS ]]
+	then
+		let "y=$c-1"
+                if ! [[ $y == "0" ]]
+			then  tt=`echo "$y"`
+		fi
+                else
+		let "y=$c-1"
+		if ! [[ $y == "0" ]]
+			then  tt=`echo "$tt $y"`
+		fi
+	fi
+done
+    for j in $tt
+    do
+    let "pp=$j + 1"
+    putlog "move month $j to $pp"
+    mv "$MONTHS_DIR/$j" "$MONTHS_DIR/$pp"
+    ret=$?
+    if [[ $ret == "0" ]]
+       then putlog "--- SUCCESS move dir $j to $pp"
+       else putlog "--- FAILURE move dir $j to $pp. error code $ret. exit"; exit 7;
+    fi
+    done
+    putlog "create current month dir"
+    mkdir -p $MONTHS_DIR/1
+    ret=$?
+    if [[ $ret == "0" ]]
+        then putlog "--- SUCCESS create current monts dir"
+       else putlog "--- FAILURE create current monts dir. error code $ret. exit"; exit 8;
+    fi
+    putlog "start copy current day to current month"
+    cp -r $DAYS_DIR/1/* $MONTHS_DIR/1/
+    ret=$?
+    if [[ $ret == "0" ]]
+        then putlog "--- SUCCESS copy"
+        else putlog "--- FAILURE copy. error code $ret. exit" ; exit 9;
+    fi
+    putlog "stop month copy and move"
+else
+    putlog "skip month copy and move"
+fi
+
+}
+
+day_rotation_state(){
+DRS_AMOUNT_OF_DAYS=$1
+putlog "prepare archive"
+putlog "remove old day - ${DRS_AMOUNT_OF_DAYS}"
+rm -rf "$DAYS_DIR/${DRS_AMOUNT_OF_DAYS}"
+ltest_state "remove old day - ${DRS_AMOUNT_OF_DAYS}"
+
+tt=""
+for (( c=${DRS_AMOUNT_OF_DAYS}; c>=1; c-- ))
+do
+        if [[ ${c} == ${DRS_AMOUNT_OF_DAYS} ]]
+                then
+                        let "y=${c}-1"
+                        if ! [[ ${y} == "0" ]]
+                                then  tt=`echo "${y}"`
+                        fi
+                else
+                        let "y=${c}-1"
+                        if ! [[ ${y} == "0" ]]
+                                then  tt=`echo "${tt} ${y}"`
+                        fi
+        fi
+done
+
+for j in ${tt}
+do
+    let "pp=${j} + 1"
+    putlog "move day ${j} to ${pp}"
+    mv "${DAYS_DIR}/${j}" "${DAYS_DIR}/${pp}"
+    ltest_state "move day ${j} to ${pp}"
+done
+
+
+putlog "start create curren day dir"
+mkdir -p ${DAYS_DIR}/1
+ltest_state "start create curren day dir"
+putlog "move tmp to last day"
+mv ${TMP_DIR}/* ${TARGET_DIR}/
+ltest_state "move tmp to last day"
+}
+
+month_rotation_state(){
+AMOUNT_OF_MONTH=$1
+putlog "test first day of month"
+if [[ $(date +%d) == "01" ]]
+then
+    putlog "first day of month. start month copy and move"
+    putlog "remove old dir"
+    rm -rf $MONTHS_DIR/${AMOUNT_OF_MONTH}
+    ltest_state "remove old dir"
+tt=""
+for (( c=$AMOUNT_OF_MONTH; c>=1; c-- ))
+do
+	if [[ $c == $AMOUNT_OF_DAYS ]]
+	then
+		let "y=$c-1"
+                if ! [[ $y == "0" ]]
+			then  tt=`echo "$y"`
+		fi
+                else
+		let "y=$c-1"
+		if ! [[ $y == "0" ]]
+			then  tt=`echo "$tt $y"`
+		fi
+	fi
+done
+    for j in $tt
+    do
+    let "pp=$j + 1"
+    putlog "move month $j to $pp"
+    mv "$MONTHS_DIR/$j" "$MONTHS_DIR/$pp"
+    ltest_state "move month $j to $pp"
+    done
+    putlog "create current month dir"
+    mkdir -p $MONTHS_DIR/1
+    ltest_state "create current month dir"
+    putlog "start copy current day to current month"
+    cp -r $DAYS_DIR/1/* $MONTHS_DIR/1/
+    ltest_state "start copy current day to current month"
+    putlog "stop month copy and move"
+else
+    putlog "skip month copy and move"
+fi
+
+}
+
+backuper_prepare_rotation_state(){
+	#okfile
+	BPR_OKFILE="bone.txt"
+	#mkdir bin
+	MKDIR_BIN="/usr/bin/mkdir"
+	#mv bin
+	MV_BIN="/usr/bin/mv"
+
+	#default status
+	BPR_DEF_FN_STATUS="0"
+	#current status
+	BPR_CUR_FN_STATUS="${BPR_DEF_FN_STATUS}"
+	if [[ ! ( -z ${1} && -z ${2}  && -d ${1} && -d ${2} ) ]]
+	then
+		for BPR_CUR_DIR in `ls ${1}`;
+		do
+			if [[ -f ${1}/${BPR_CUR_DIR}/${BPR_OKFILE} ]]
+			then
+				putlog "Check directory: ${2}/${BPR_CUR_DIR}"
+				if [[ -d ${2}/${BPR_CUR_DIR} ]]
+				then
+					#skip
+					send_error_to_log "Directory ${2}/${BPR_CUR_DIR} exists. Skipping"
+					BPR_CUR_FN_STATUS="1"
+				else
+					#move
+					putlog "Make directory: ${2}/${BPR_CUR_DIR}"
+					${MKDIR_BIN} ${2}/${BPR_CUR_DIR}
+					ltest_state "Mkdir ${BPR_CUR_DIR}"
+
+					putlog "Moving files"
+					for BPR_CUR_FILE in `ls ${1}/${BPR_CUR_DIR}`
+					do
+						putlog "Move ${1}/${BPR_CUR_DIR}/${BPR_CUR_FILE}"
+						${MV_BIN} ${1}/${BPR_CUR_DIR}/${BPR_CUR_FILE} ${2}/${BPR_CUR_DIR}/
+						ltest_state "Move ${BPR_CUR_FILE}"
+					done
+				fi
+			else
+				#OKFILE NOT EXIST
+				putlog "${1}/${BPR_CUR_DIR}/${BPR_OKFILE} not exist. Skipping"
+			fi
+		done
+	fi
+	if [[ ${BPR_CUR_FN_STATUS} == ${BPR_DEF_FN_STATUS} ]]
+	then
+		[[ "1" == "1" ]]
+	else
+		[[ "1" == "0" ]]
+	fi
+}
+
+backuper_rotation_days_state(){
+	BRDS_DEF_FN_STATUS="0"
+	BRDS_CUR_FN_STATUS="${BRDS_DEF_FN_STATUS}"
+
+	putlog "Start rotation"
+	send_state "on rotation"
+
+	if [[ ! -z ${1} ]]
+	then
+		BRDS_AMOUNT_OF_DAYS=${1}
+		putlog "Start moving files from ${COL_TARGET}"
+		backuper_prepare_rotation_state "${COL_TARGET}" "${TMP_DIR}"
+		if [[ ${?} -ne "0" ]]
+		then
+			BRDS_CUR_FN_STATUS="1"
+		else
+			putlog "Moving files done"
+
+			putlog "Rotate dirs..."
+			day_rotation_state ${BRDS_AMOUNT_OF_DAYS}
+			putlog "Finish rotate dirs"
+		fi
+	else
+		send_error_to_log "amount of days not set. skipping"
+		BRDS_CUR_FN_STATUS="1"
+	fi	
+
+	if [[ ${BRDS_CUR_FN_STATUS} == ${BRDS_DEF_FN_STATUS} ]]
+	then
+		[[ "1" == "1" ]]
+	else
+		[[ "1" == "0" ]]
+	fi
+	putlog "Finish rotation"
+}
diff --git a/mdmxen/lib/libsys.sh b/mdmxen/lib/libsys.sh
new file mode 100644
index 0000000..d449b16
--- /dev/null
+++ b/mdmxen/lib/libsys.sh
@@ -0,0 +1,1358 @@
+# mdmxen project - library for system and basic algorithms
+
+#putlog
+putlog(){
+    echo "$(date +%Y-%m-%d\ %H:%M:%S ) $1" >> $FLOG
+}
+
+#last op test
+ltest(){
+if [[ $? == "0" ]]
+    then putlog "SUCCESS" ;
+    else putlog "FAILURE. error code $?. exit" ;  exit 1;
+fi
+}
+
+#last op test huysnim =)
+ltesth(){
+if [[ $? == "0" ]]
+    then putlog "SUCCESS" ;
+    else putlog "FAILURE. error code $?. skip exit" ;
+fi
+}
+
+#lock file test
+locktest(){
+test -f $FLOCK
+if [[ $? == "1" ]]
+    then putlog "SUCCESS" ;
+    else putlog "FAILURE"; exit 1;
+fi
+}
+
+#lock file test
+locktest_state(){
+test -f $FLOCK
+if [[ $? == "1" ]]
+    then putlog "SUCCESS" ;
+    else 
+	putlog "FAILURE"
+	putlog "Send state to file"
+        echo "fail after - locktest" > $STATE_DIR
+        ltest
+        exit 1
+fi
+}
+
+#test backup hdd
+hddtest(){
+test -f $FBACK
+}
+
+#create lock file
+lockcreate(){
+touch $FLOCK
+}
+
+#clear tmp folder
+cleartmp(){
+rm -rf $TMP_DIR/*
+}
+
+#delete lock file
+lockdelete(){
+rm $FLOCK
+}
+
+#create ok file
+okcreate(){
+touch $TARGET_DIR/ok.txt
+}
+
+#ltest with state
+ltest_state(){
+if [[ $? == "0" ]]
+    then putlog "SUCCESS" ;
+    else
+	putlog "FAILURE. error code $?. exit"
+	putlog "Send state \"fail ${1}\" to file ${STATE_DIR}"
+	echo "fail $1" > $STATE_DIR
+	ltest	
+	exit 1
+fi
+}
+
+#get error msg from file ${1} and generate alert
+ltest_state_continue(){
+if [[ ${?} -eq "0" ]]
+    then putlog "SUCCESS" ;
+    else
+	TAIL_BIN="/usr/bin/tail"
+	send_error_to_log "`cat ${1} | ${TAIL_BIN} -n 1`"
+fi
+}
+
+#check ip address
+check_ip_valid(){
+#regular expression
+#minimal valid ip: 1.0.0.1
+#maximal valid ip: 255.255.255.255
+IP_REGEXP="^([1-9][0-9]?|1[0-9]{2}|2[0-4][0-9]|25[0-5])(.(0|[1-9][0-9]?|1[0-9]{2}|2[0-4][0-9]|25[0-5])){2}.([1-9][0-9]?|1[0-9]{2}|2[0-4][0-9]|25[0-5])$"
+
+[[ ( -z ${1} || "${1}" =~ ${IP_REGEXP} ) ]]
+#after this function you need to use ltest* function
+#0 - ip is valid
+#1 - no parameter or invalid ip
+}
+
+#check integer positive number
+check_num_int_pos(){
+#minimum value: 1
+#maximum value: 65535
+REG='^([1-9]|[1-5][0-9]{1,4}|[6-9][0-9]{1,3}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$'
+[[ ( -z ${1} || ${1} =~ ${REG} ) ]]
+}
+
+#send normal state func
+send_state(){
+putlog "Send state \"${1}\" to file"
+echo "$1" > $STATE_DIR
+ltest
+}
+
+#send fail state, wait and continue
+create_alert(){
+#path to cat
+CAT_BIN="/usr/bin/cat"
+#path to sleep
+SLEEP_BIN="/usr/bin/sleep"
+#sleep amount
+CRAL_ALERT_SLEEP="30"
+
+	putlog "Start generating alert"
+	putlog "Get current backup state"
+	CRAL_CUR_STATE=`${CAT_BIN} ${STATE_DIR}`
+	send_state "$1"
+	putlog "Sleep: ${CRAL_ALERT_SLEEP}"
+	${SLEEP_BIN} ${CRAL_ALERT_SLEEP}
+	putlog "Resuming backup. Recovering previous backup state"
+	send_state "${CRAL_CUR_STATE}"
+	[[ "1" == "0" ]]
+}
+
+#send error message to log file and generate fail code 1
+send_error_to_log(){
+	putlog "ERROR: ${1}"
+	[[ "1" == "0" ]]
+}
+
+#get contents of nfs share
+get_files_nfs4_state(){
+#default fn status
+GFN4S_DEF_FN_STATUS="0"
+#current fn status
+GFN4S_CUR_FN_STATUS=${GFN4S_DEF_FN_STATUS}
+
+#path to rsync
+RSYNC_BIN="/usr/bin/rsync"
+#path to rm
+RM_BIN="/usr/bin/rm"
+#path to echo
+ECHO_BIN="/usr/bin/echo"
+#path to mount.nfs4
+MNTNFS4_BIN="/usr/sbin/mount.nfs4"
+#path to umount
+UMOUNT_BIN="/usr/bin/umount"
+#path to cut bin
+CUT_BIN="/usr/bin/cut"
+#path to cat
+CAT_BIN="/usr/bin/cat"
+#path to cp
+CP_BIN="/usr/bin/cp"
+#path to mkdir
+MKDIR_BIN="/usr/bin/mkdir"
+#path to awk bin
+AWK_BIN="/usr/bin/awk"
+#path to head bin
+HEAD_BIN="/usr/bin/head"
+#path to tail bin
+TAIL_BIN="/usr/bin/tail"
+#path to sed bin
+SED_BIN="/usr/bin/sed"
+#date bin
+DATE_BIN="/bin/date"
+#stat bin
+STAT_BIN="/usr/bin/stat"
+#path to sleep
+SLEEP_BIN="/usr/bin/sleep"
+#sleep amount
+GFN4S_SLEEP_AMOUNT="180"
+#nfs source
+GFN4S_NFS_SOURCE="/mnt/nfs"
+#cache directory
+GFN4S_NFSCACHE_DIR="/tmp"
+#path to cache data (NAME WILL BE CHANGED IS SCRIPT BODY!!!)
+GFN4S_NFSCACHE="${NFSCACHE_DIR}/default.nfscache"
+#path to error data
+GFN4S_NFSERROR="${NFSCACHE_DIR}/default.nfserror"
+#default nfs port
+GFN4S_NFS_PORT_DEFAULT="2049"
+#ok file
+GFN4S_OKFILE="ok.txt"
+
+#rsync bandwidth
+#1200 ~ 100Mbit/s
+GFN4S_DLIMIT="12000"
+GFN4S_RSYNC_OPTS="--partial --bwlimit=${GFN4S_DLIMIT}"
+
+#check variables
+putlog "check variables"
+#1.check variables - start
+if [[ ! (-z ${1} && -z ${2}) ]]
+then
+	#1.1.variables set - start
+	GFN4S_SHARE_NAME=${2}
+	GFN4S_SERV_IP=${1}
+	#1.2.check parameter 3 - start
+	if [[ ! ( -z ${3} ) ]]
+	then
+		#1.2.1.parameter 3 exist - start
+		GFN4S_SERV_NAME=`${ECHO_BIN} ${3} | ${SED_BIN} -e 's/\.\.//g'`
+		#1.2.2.check serv name - start
+		if [[ "${GFN4S_SERV_NAME}" == "" ]]
+		then
+			#1.2.2.1.serv name invalid - start
+			#generate warning for monitoring
+			send_error_to_log "Server name empty. Use ip ${GFN4S_SERV_IP} as name"
+			GFN4S_SERV_NAME=${GFN4S_SERV_IP}
+			#1.2.2.1.serv name invalid - finish
+		fi
+		#1.2.2.check serv name - finish
+		#1.2.1.parameter 3 exist - finish
+	else
+		#1.2.3.parameter 3 not exist - start
+		GFN4S_SERV_NAME=${GFN4S_SERV_IP}
+		#1.2.3.parameter 3 not exist - finish
+	fi
+	#1.2.check parameter 3 - finish
+	putlog "Validate ip address"
+	check_ip_valid ${GFN4S_SERV_IP}
+	#check ip validation result
+	if [[ ! (${?} -eq "0") ]]
+	then
+		#1.1.1.ip invalid - start
+		send_error_to_log "IP: ${GFN4S_SERV_IP} invalid. Skipping..."
+		#generate fail exit code
+		GFN4S_CUR_FN_STATUS="1"
+		#1.1.1.ip infalid - finish
+	else
+		#1.1.2.ip valid - start
+		putlog "IP: ${GFN4S_SERV_IP} valid."
+		#checking share name
+		if [[ ! (${GFN4S_SHARE_NAME} == "") ]]
+		then
+			#1.1.2.0.check parameter 4 - start
+			if [[ ! ( -z ${4} ) ]]
+			then
+				#1.1.2.0.1.parameter 4 exist - start
+				GFN4S_NFS_PORT=${4}
+				#1.1.2.0.1.parameter 4 exist - finish
+			else
+				#1.1.2.0.2.parameter 4 not exist - start
+				GFN4S_NFS_PORT=${GFN4S_NFS_PORT_DEFAULT}
+				#1.1.2.0.2.parameter 4 not exist - finish
+			fi
+			#1.1.2.0.check parameter 4 - finish
+			#1.1.2.1.share name not empty - start
+			#mount nfs share
+			#variable not exist
+			#copy files by direct nfs (unsecure)
+			#mount share
+			#!!!!!!!!!!
+			#1.1.2.2.create caches for nfs - start
+			putlog "Create caches"
+			GFN4S_NFSCACHE="${GFN4S_NFSCACHE_DIR}/${GFN4S_SERV_NAME}.nfscache"
+			GFN4S_NFSERROR="${GFN4S_NFSCACHE_DIR}/${GFN4S_SERV_NAME}.nfserror"
+			putlog "Create: ${GFN4S_NFSCACHE}"
+			touch ${GFN4S_NFSCACHE}
+			ltest_state "Create: ${GFN4S_NFSCACHE}"
+			putlog "Create: ${GFN4S_NFSERROR}"
+			touch ${GFN4S_NFSERROR}
+			ltest_state "Create: ${GFN4S_NFSERROR}"
+			#1.1.2.2.create caches for nfs - finish
+			#STDOUT, STDERR, LSTATE
+			${MNTNFS4_BIN} -o proto=tcp,port=${GFN4S_NFS_PORT} ${GFN4S_SERV_IP}:${GFN4S_SHARE_NAME} ${GFN4S_NFS_SOURCE} > ${GFN4S_NFSCACHE} 2> ${GFN4S_NFSERROR}
+			#1.1.2.3.check mount status - start
+			if [[ ${?} -ne "0" ]]
+			then
+				#1.1.2.3.1.mount error - start
+				#generate fail exit code for function
+				[[ "1" -eq "0" ]]
+				ltest_state_continue "${GFN4S_NFSERROR}"
+				#generate fail exit code again
+				GFN4S_CUR_FN_STATUS="1"
+				#1.1.2.3.1.mount error - finish
+			else
+				#1.1.2.3.2.mount success - start
+				#1.1.2.3.3.ok test - start
+				if [[ -f ${GFN4S_NFS_SOURCE}/${GFN4S_OKFILE} ]]
+				then
+					#1.1.2.3.3.1.ok file exist - start
+					putlog "Get current date"
+					GFN4S_CURDATE=`${DATE_BIN} +%Y-%m-%d` 2> ${GFN4S_NFSERROR}
+					ltest_state_continue "${GFN4S_NFSERROR}"
+					if [[ ${?} -ne "0" ]]
+					then
+						[[ "1" == "0" ]]
+						ltest_state "Get date"
+					fi
+					
+					putlog "Get modification date of file: ${GFN4S_NFS_SOURCE}/${GFN4S_OKFILE}"
+					GFN4S_FILEDATE=`${STAT_BIN} ${GFN4S_NFS_SOURCE}/${GFN4S_OKFILE} | ${GREP_BIN} 'Modify' | ${AWK_BIN} -F ' ' '{print \$2}'` 2> ${GFN4S_NFSERROR}
+					ltest_state_continue "${GFN4S_NFS_ERROR}"
+					#1.1.2.3.3.2.check dates - start
+					if [[ ${GFN4S_CURDATE} == ${GFN4S_FILEDATE} ]]
+					then
+						#1.1.2.3.3.2.1.dates equivalent - start
+						#1.1.2.3.3.2.2.check dir - start
+						if [[ ! -d ${TMP_DIR}/${GFN4S_SERV_NAME} ]]
+						then
+							#1.1.2.3.3.2.2.1.dir not exist - start
+							putlog "mkdir: ${TMP_DIR}/${GFN4S_SERV_NAME}"
+							${MKDIR_BIN} -p ${TMP_DIR}/${GFN4S_SERV_NAME} > ${GFN4S_NFSCACHE} 2> ${GFN4S_NFSERROR}
+							#1.1.2.3.3.2.2.2.check mkdir - start
+							if [[ ${?} -ne "0" ]]
+							then
+								#1.1.2.3.3.2.2.2.1.mkdir fail - start
+								send_error_to_log "Fail to create dir: ${TMP_DIR}/${GFN4S_SERV_NAME}. Skipping share"
+								#generate fail exit code
+								[[ "1" -eq "0" ]]
+								ltest_state_continue "${GFN4S_NFSERROR}"
+								#generate fail exit code
+								GFN4S_CUR_FN_STATUS="1"
+								#1.1.2.3.3.2.2.2.1.mkdir fail - finish
+							else
+								#1.1.2.3.3.2.2.2.2.mkdir success - start
+								putlog "Start copy files"
+								for GFN4S_CURFILE in `ls ${GFN4S_NFS_SOURCE}/ | grep -v "${GFN4S_OKFILE}"`;
+								do
+									#1.1.2.3.3.2.2.2.2.1.file copy - start
+									putlog "Copy file: ${GFN4S_NFS_SOURCE}/${GFN4S_CURFILE}"
+									#copy - no speed limit, no append download after fail
+									#${CP_BIN} ${GFN4S_NFS_SOURCE}/${GFN4S_CURFILE} ${TMP_DIR}/${GFN4S_SERV_NAME}/ > ${GFN4S_NFSCACHE} 2> ${GFN4S_NFSERROR}
+									#rsync - speed limit, append download after fail
+									${RSYNC_BIN} ${GFN4S_RSYNC_OPTS} ${GFN4S_NFS_SOURCE}/${GFN4S_CURFILE} ${TMP_DIR}/${GFN4S_SERV_NAME}/ > ${GFN4S_NFSCACHE} 2> ${GFN4S_NFSERROR}
+									ltest_state_continue "${GFN4S_NFSERROR}"
+									#set fail status
+									if [[ ${?} -ne "0" ]]
+									then
+										GFN4S_CUR_FN_STATUS="1"
+									fi
+									#1.1.2.3.3.2.2.2.2.1.file copy - finish
+								done
+								putlog "Copy file: ${GFN4S_NFS_SOURCE}/${GFN4S_OKFILE}"
+								${CP_BIN} ${GFN4S_NFS_SOURCE}/${GFN4S_OKFILE} ${TMP_DIR}/${GFN4S_SERV_NAME}/ > ${GFN4S_NFSCACHE} 2> ${GFN4S_NFSERROR}
+								ltest_state_continue "${GFN4S_NFSERROR}"
+								if [[ ${?} -ne "0" ]]
+								then
+									GFN4S_CUR_FN_STATUS="1"
+								fi
+								putlog "Finish copy files"
+								#1.1.2.3.3.2.2.2.2.mkdir success - finish
+							fi
+							#1.1.2.3.3.2.2.2.check mkdir - finish
+							#1.1.2.3.3.2.2.1.dir not exist - finish
+						else
+							#1.1.2.3.3.2.2.3.dir exist - start
+							send_error_to_log "${TMP_DIR}/${GFN4S_SERV_NAME} exist. Skipping"
+							#generate fail exit code
+							GFN4S_CUR_FN_STATUS="1"
+							#1.1.2.3.3.2.2.3.dir exist - finish
+						fi
+						#1.1.2.3.3.2.2.check dir - finish
+						#1.1.2.3.3.2.1.dates equivalent - finish
+					else
+						#1.1.2.3.3.2.3.dates not equivalent - start
+						putlog "TODAY: ${GFN4S_CURDATE}; FILE DATE: ${GFN4S_FILEDATE}; skipping share"
+						send_error_to_log "backup in progress on remote share ${GFN4S_SERV_NAME}"
+						#generate fail exit code
+						GFN4S_CUR_FN_STATUS="1"
+						#1.1.2.3.3.2.3.dates not equivalent - finish
+					fi
+					#1.1.2.3.3.2.check dates - finish
+					#1.1.2.3.3.1.ok file exist - finish
+				else
+					#1.1.2.3.3.3.ok file not exist - start
+					putlog "${GFN4S_OKFILE} not exist. skipping share"
+					send_error_to_log "File ${GFN4S_OKFILE} not exist"
+					#generate fail exit code
+					GFN4S_CUR_FN_STATUS="1"
+					#1.1.2.3.3.3.ok file not exist - finish
+				fi
+				#1.1.2.3.3.ok test - finish
+				#umount share
+				#1.2.3.3.4.umount - start
+				putlog "UnMount ${GFN4S_NFS_SOURCE}"
+				${UMOUNT_BIN} ${GFN4S_NFS_SOURCE} 2> ${GFN4S_NFSERROR}
+				ltest_state_continue "${GFN4S_NFSERROR}"
+				#если не получилось отмонтировать шару, то это очень нехорошая ситуация
+				#данный факт может оказать негативное влияние на будущие действия по резервированию
+				if [[ ${?} -ne "0" ]]
+				then
+					#если мы оказались здесь, то шару с первой попытки отмонтировать не получилось
+					#попробуем уснуть и повтороить попытку еще раз
+					putlog "Wait ${GFN4S_SLEEP_AMOUNT}s for second try..."
+					${SLEEP_BIN} ${GFN4S_SLEEP_AMOUNT} 2> ${GFN4S_NFSERROR}
+					ltest_state_continue "${GFN4S_NFSERROR}"
+					putlog "UnMount ${GFN4S_NFS_SOURCE} - 2nd try..."
+					${UMOUNT_BIN} ${GFN4S_NFS_SOURCE} 2> ${GFN4S_NFSERROR}
+					ltest_state_continue "${GFN4S_NFSERROR}"
+					#вторая попытка отмонтирования не помогла. ситуация скорее всего очень критичная
+					#тушим скрипт наглухо
+					ltest_state "umount ${GFN4S_NFS_SOURCE}"
+				fi
+				#
+				#1.1.2.3.4.umount - finish
+				#1.1.2.3.2.mount success - finish
+			fi
+			#1.1.2.3.check mount status - finish
+			#remove caches
+			putlog "Removing caches"
+			putlog "Remove: ${GFN4S_NFSCACHE}"
+			${RM_BIN} -rf ${GFN4S_NFSCACHE}
+			ltest_state "rm ${GFN4S_NFSCACHE}"
+			putlog "Remove: ${GFN4S_NFSERROR}"
+			${RM_BIN} -rf ${GFN4S_NFSERROR}
+			ltest_state "rm ${GFN4S_NFSERROR}"
+			#1.1.2.1.share name not empty - finish
+		else
+			#1.1.2.4.share name empty - start
+			putlog "Share name empty. Skipping share"
+			send_error_to_log "share name empty"
+			#generate fail exit code
+			GFN4S_CUR_FN_STATUS="1"
+			#1.1.2.4.share name empty - finish
+		fi
+		#1.1.2.ip valid - finish
+	fi
+	#1.1.variables set - finish
+else
+	#1.2.variables not set - start
+	send_error_to_log "Variables not set. Skipping share"
+	#generate fail exit code
+	GFN4S_CUR_FN_STATUS="1"
+	#1.2.variables not set - finish
+fi
+#1.check variables - finish
+#2.send fn status - start
+if [[ ${GFN4S_CUR_FN_STATUS} == ${GFN4S_DEF_FN_STATUS} ]]
+then
+	#2.1.status ok - start
+	[[ "1" == "1" ]]
+	#2.1.status ok - finish
+else
+	#2.2.status fail - start
+	[[ "1" == "0" ]]
+	#2.2.status fail - finish
+fi
+
+#2.send fn status - finish
+}
+
+ssh_tunnel_check(){
+	#default fn status
+	STCH_DEF_FN_STATUS="0"
+	#current fn status
+	STCH_CUR_FN_STATUS=${STCH_DEF_FN_STATUS}
+
+	#system binary setup
+	PS_BIN="/usr/bin/ps"
+	GREP_BIN="/usr/bin/grep"
+	#1.check parameter - start
+	if [[ ! ( -z ${1} ) ]]
+	then
+		#1.1.parameter exist - start
+		STCH_RESULT=`${PS_BIN} faux | ${GREP_BIN} "${1}" | ${GREP_BIN} -v "${GREP_BIN}"`
+		if [[ ${?} -ne "0" ]]
+		then
+			STCH_CUR_FN_STATUS="1"
+		fi
+		#if grep has no lines then result code will be 1 - fail
+		#if grep has any lines then result code will be 0 - ok
+		#1.1.parameter exist - finish
+	else
+		#1.2.parameter not exist - start
+		#generate fail code
+		send_error_to_log "TunChk param.not.exist"
+		#запуск без параметра это критичный вызов. нужно глушить скрипт
+		ltest_state "TunChk no parameter"
+		#1.2.parameter not exist - finish
+	fi
+	#1.check parameter - finish
+	#2.send fn status - start
+	if [[ ${STCH_CUR_FN_STATUS} == ${STCH_DEF_FN_STATUS} ]]
+	then
+		#2.1.status ok - start
+		[[ "1" == "1" ]]
+		#2.1.status ok - finish
+	else
+		#2.2.status fail - start
+		[[ "1" == "0" ]]
+		#2.2.status fail - finish
+	fi
+	#2.send fn status - finish
+}
+
+ssh_tunnel_create(){
+	#path to echo
+	ECHO_BIN="/usr/bin/echo"
+	#path to date
+	DATE_BIN="/usr/bin/date"
+	#path to bc
+	BC_BIN="/usr/bin/bc"
+	#default fn status
+	STCR_DEF_FN_STATUS="0"
+	#current fn status
+	STCR_CUR_FN_STATUS=${STCR_DEF_FN_STATUS}
+
+	SSH_BIN="/usr/bin/ssh"
+	#timeout value
+	STCR_SSH_OPTS="-o ConnectTimeout=20 -o PasswordAuthentication=no -o ChallengeResponseAuthentication=no"
+	STCR_SSH_TUNNEL_CACHE_DIR="/tmp"
+	STCR_SSH_TUNNEL_ERROR="${STCR_SSH_TUNNEL_CACHE_DIR}/ssh_stderr.cache"
+	STCR_SSH_TUNNEL_CACHE="${STCR_SSH_TUNNEL_CACHE_DIR}/ssh_stdout.cache"
+	#1.check parameter 1 - start
+	if [[ ! ( -z ${1} ) ]]
+	then
+		#1.1.parameter 1 exist - start
+		STCR_SERV_IP=${1}
+		putlog "Start check ip"
+		check_ip_valid ${STCR_SERV_IP}
+		if [[ ! ( ${?} -eq "0" ) ]]
+		then
+			#1.1.1.ip invalid - start
+			send_error_to_file "Host ip not valid. Skipping"
+			#generate fail last code
+			STCR_CUR_FN_STATUS="1"
+			#1.1.1.ip invalid - finish
+		else
+			#1.1.2.ip valid - start
+			#1.1.3.parameter 2 exist - start
+			if [[ ! ( -z ${2} ) ]]
+			then
+				#1.1.3.1.local port exist - start
+				STCR_LOCAL_PORT=${2}
+				#check valid value
+				check_num_int_pos ${STCR_LOCAL_PORT}
+				#1.1.3.2.local port check - start
+				if [[ ${?} -ne "0" ]]
+				then
+					#1.1.3.2.1.local port invalid - start
+					putlog "Local port invalid. Skipping"
+					send_error_to_log "Local port invalid ${STCR_LOCAL_PORT}"
+					#create false code for exit
+					STCR_CUR_FN_STATUS="1"
+					#1.1.3.2.1.local port invalid - finish
+				else
+					#1.1.3.2.1.local port valid - start
+					#1.1.3.2.2.parameter 3 check - start
+					if [[ ! ( -z ${3} ) ]]
+					then
+						#1.1.3.2.2.1.remote port exist - start
+						STCR_REMOTE_PORT=${3}
+						check_num_int_pos ${STCR_REMOTE_PORT}
+						#1.1.3.2.2.2.remote port check - start
+						if [[ ${?} -ne "0" ]]
+						then
+							#1.1.3.2.2.2.1.remote port invalid - start
+							send_error_to_log "Remote port not valid"
+							STCR_CUR_FN_STATUS="1"
+							#we created fail exit code
+							#1.1.3.2.2.2.1.remote port invalid - finih
+						fi
+						#1.1.3.2.2.2.remote port check - finish
+						#1.1.3.2.2.1.remote port exist - finish
+					else
+						#1.1.3.2.2.3.remote port not exist - start
+						STCR_REMOTE_PORT="2049"
+						#1.1.3.2.2.3.remote port not exist - finish
+					fi
+					#1.1.3.2.2.parameter 3 check - finish
+					#1.1.3.2.1.local port valid - finish
+				fi
+				#1.1.3.1.local port exist - finish
+			else
+				#1.1.3.3.local port not exist - start
+				STCR_LOCAL_PORT="2049"
+				STCR_REMOTE_PORT=${STCR_LOCAL_PORT}
+				#1.1.3.3.local port not exist - finish
+			fi
+			#1.1.3.parameter 2 exist - finish
+			#
+			#1.1.4.last operation check - start
+			if [[ ${?} -ne "0" ]]
+			then
+				#1.1.4.1.last operation fail - start
+				putlog "Skipped ssh tunnel creation procedure"
+				#create fail code again and exit from function
+				STCR_CUR_FN_STATUS="1"
+				#1.1.4.1.last operation fail - finish
+			else
+				#1.1.4.2.last operation ok - start
+				putlog "Checking if tunnel already exists: ${SSH_BIN} ${STCR_SSH_OPTS} -f -N -L ${STCR_LOCAL_PORT}:127.0.0.1:${STCR_REMOTE_PORT} root@${STCR_SERV_IP}"
+				ssh_tunnel_check "${SSH_BIN} ${STCR_SSH_OPTS} -f -N -L ${STCR_LOCAL_PORT}:127.0.0.1:${STCR_REMOTE_PORT} root@${STCR_SERV_IP}"
+				#1.1.4.3.check tunnel - start
+				if [[ ${?} -ne "0" ]]
+				then
+					#1.1.4.3.1.ssh tunnel not exist - start
+					#if we are here then SERV_IP, LOCAL_PORT && REMOTE_PORT - OK
+					#1.1.4.3.2.ssh tunnel create - start
+					putlog "Creating ssh tunnel..."
+					putlog "Try to establish connection: ${SSH_BIN} ${STCR_SSH_OPTS} -f -N -L ${STCR_LOCAL_PORT}:127.0.0.1:${STCR_REMOTE_PORT} root@${STCR_SERV_IP}"
+					${SSH_BIN} ${STCR_SSH_OPTS} -f -N -L ${STCR_LOCAL_PORT}:127.0.0.1:${STCR_REMOTE_PORT} root@${STCR_SERV_IP} > ${STCR_SSH_TUNNEL_CACHE} 2> ${STCR_SSH_TUNNEL_ERROR}
+					ltest_state_continue "${STCR_SSH_TUNNEL_ERROR}"
+					if [[ ${?} -ne "0" ]]
+					then
+						STCR_CUR_FN_STATUS="1"
+					fi
+					#1.1.4.3.2.ssh tunnel create - finish
+					#1.1.4.3.1.ssh tunnel not exist - finish
+				else
+					#1.1.4.3.3.ssh tunnel exist - start
+					putlog "ssh tunnel already exist"
+					#данное событие нельзя однозначно трактовать как ошибку т.к., если туннель нужный нам существует, то можно сразу приступать к следующему этапу
+					#но пометуку в логе об этом сделать стоит
+					#1.1.4.3.3.ssh tunnel exist - finish
+				fi
+				#1.1.4.3.chechk tunnel - finish
+				#1.1.4.2.last operation ok - finish
+			fi
+			#1.1.4.last operation check - finish
+		fi
+		#1.1.parameter 1 exist - finish
+	else
+		#1.2.parameter 1 not exist - start
+		send_error_to_log "Host not set. Skipping"
+		#generate fail last code
+		STCR_CUR_FN_STATUS="1"
+		#1.2.parameter 1 not exist - finish
+	fi
+	#1.check parameter 1 - finish
+	#2.send fn state - start
+	if [[ ${STCR_CUR_FN_STATUS} == ${STCR_DEF_FN_STATUS} ]]
+	then
+		#2.1.status ok - start
+		[[ "1" == "1" ]]
+		#2.1.status ok - finish
+	else
+		#2.2.status fail - start
+		[[ "1" == "0" ]]
+		#2.2.status fail - finish
+	fi
+	#2.send fn state - finish
+}
+
+process_kill(){
+	#default function status
+	PKILL_DEF_FN_STATUS="0"
+	#current function status
+	PKILL_CUR_FN_STATUS=${PKILL_DEF_FN_STATUS}
+	#system binary setup
+	PS_BIN="/usr/bin/ps"
+	GREP_BIN="/usr/bin/grep"
+	KILL_BIN="/usr/bin/kill"
+	AWK_BIN="/usr/bin/awk"
+	#1.check parameter 1 - start
+	if [[ ! ( -z ${1} ) ]]
+	then
+		#1.1.parameter 1 exist - start
+		PKILL_RESULT=`${PS_BIN} faux | ${GREP_BIN} "${1}" | ${GREP_BIN} -v "${GREP_BIN}" | ${AWK_BIN} '{print $2}'`
+		if [[  "${PKILL_RESULT}" == ""  ]]
+		then
+			#1.1.1.PID empty - start
+			send_error_to_log "Process not found. Skipping"
+			#generate fail exit code
+			PKILL_CUR_FN_STATUS="1"
+			#1.1.1.PID empty - finish
+		else
+			#1.1.2.PID not empty - start
+			putlog "Killing process with pid: ${PKILL_RESULT}"
+			${KILL_BIN} -9 ${PKILL_RESULT}
+			if [[ ! ( ${?} -eq "0" ) ]]
+			then
+				#1.1.2.1.KILL fail - start
+				send_error_to_log "Kill process with pid ${PKILL_RESULT} fail"
+				#generate fail exit code
+				PKILL_CUR_FN_STATUS="1"
+				#1.1.2.1.KILL fail - finish
+			fi
+			#1.1.2.PID not empty - finish
+		fi
+		#1.1.parameter 1 exist - finish
+	else
+		#1.2.parameter 1 not exist - start
+		#generate fail code
+		PKILL_CUR_FN_STATUS="1"
+		#1.2.parameter 1 not exist - finish
+	fi
+	#1.check parameter 1 - finish
+	#2.send fn status - start
+	if [[ ${PKILL_CUR_FN_STATUS} == ${PKILL_DEF_FN_STATUS} ]]
+	then
+		#2.1.status ok - start
+		[[ "1" == "1" ]]
+		#2.1.status ok - finish
+	else
+		#2.2.status fail - start
+		[[ "1" == "0" ]]
+		#2.2.status fail - finish
+	fi
+	#2.send fn status - finish
+}
+
+ssh_tunnel_destroy(){
+#ssh opts
+STDR_SSH_OPTS="-o ConnectTimeout=20 -o PasswordAuthentication=no -o ChallengeResponseAuthentication=no"
+#default function status
+STDR_DEF_FN_STATUS="0"
+#current function status
+STDR_CUR_FN_STATUS=${STDR_DEF_FN_STATUS}
+
+	SSH_BIN="/usr/bin/ssh"
+	STDR_SSH_TUNNEL_CACHE_DIR="/tmp"
+	STDR_SSH_TUNNEL_ERROR="${SSH_TUNNEL_CACHE_DIR}/ssh_stderr.cache"
+	STDR_SSH_TUNNEL_CACHE="${SSH_TUNNEL_CACHE_DIR}/ssh_stdout.cache"
+	#1.check parameter 1 - start
+	if [[ ! ( -z ${1} ) ]]
+	then
+		#1.1.parameter 1 exist - start
+		STDR_SERV_IP=${1}
+		putlog "Start check ip"
+		#1.2.check ip - start
+		check_ip_valid ${STDR_SERV_IP}
+		if [[ ! ( ${?} -eq "0" ) ]]
+		then
+			#1.2.1.ip invalid - start
+			send_error_to_log "Host ip not valid. Skipping"
+			#generate fail last code
+			STDR_CUR_FN_STATUS="1"
+			#1.2.1.ip invalid - finish
+		else
+			#1.2.2.ip valid - start
+			#1.2.3.check parameter 2 - start
+			if [[ ! ( -z ${2} ) ]]
+			then
+				#1.2.3.1.parameter 2 exist - start
+				STDR_LOCAL_PORT=${2}
+				#1.2.3.2.local port check - start
+				check_num_int_pos ${STDR_LOCAL_PORT}
+				if [[ ${?} -ne "0" ]]
+				then
+					#1.2.3.2.1.local port invalid - start
+					send_error_to_log "Local port invalid"
+					#create false code for exit
+					STDR_CUR_FN_STATUS="1"
+					#1.2.3.2.1.local port invalid - finish
+				else
+					#1.2.3.2.2.local port valid - start
+					#1.2.3.2.3.check parameter 3 - start
+					if [[ ! ( -z ${3} ) ]]
+					then
+						#1.2.3.2.3.1.parameter 3 exist - start
+						STDR_REMOTE_PORT=${3}
+						#1.2.3.2.3.2.remote port check - start
+						check_num_int_pos ${STDR_REMOTE_PORT}
+						if [[ ${?} -ne "0" ]]
+						then
+							#1.2.3.2.3.2.1.remote port invalid - start
+							send_error_to_log "Remote port not valid. Skipping"
+							STDR_CUR_FN_STATUS="1"
+							#we created fail exit code
+							#1.2.3.2.3.2.1.remote port invalid - finish
+						fi
+						#1.2.3.2.3.2.remote port check - fnish
+						#1.2.3.2.3.1.parameter 3 exist - finish
+					else
+						#1.2.3.2.3.3.remote port not exist - start
+						STDR_REMOTE_PORT="2049"
+						#1.2.3.2.3.3.remote port not exist - finish
+					fi
+					#1.2.3.2.3.check paraeter 3 - finish
+					#1.2.3.2.2.local port valid - finish
+				fi
+				#1.2.3.2.local port check - finish
+				#1.2.3.1.parameter 2 exist - finish
+			else
+				#1.2.3.3.parameter 2 not exist - start
+				STDR_LOCAL_PORT="2049"
+				STDR_REMOTE_PORT=${STDR_LOCAL_PORT}
+				#1.2.3.3.parameter 3 not exist - finish
+			fi
+			#1.2.3.check parameter 2 - finish
+
+			#1.2.4.last operation status - start
+			if [[ ${?} -ne "0" ]]
+			then
+				#1.2.4.1.last operation fail - start
+				putlog "Skipped ssh tunnel creation procedure"
+				#create fail code again and exit from function
+				STDR_CUR_FN_STATUS="1"
+				#1.2.4.1.last operation fail - finish
+			else
+				#1.2.4.2.last operation ok - start
+				putlog "Checking if tunnel already exists: ${SSH_BIN} ${STDR_SSH_OPTS} -f -N -L ${STDR_LOCAL_PORT}:127.0.0.1:${STDR_REMOTE_PORT} root@${STDR_SERV_IP}"
+				#1.2.4.3.ssh tunnel check - start
+				ssh_tunnel_check "${SSH_BIN} ${STDR_SSH_OPTS} -f -N -L ${STDR_LOCAL_PORT}:127.0.0.1:${STDR_REMOTE_PORT} root@${STDR_SERV_IP}"
+				if [[ ${?} -eq "0" ]]
+				then
+					#1.2.4.3.1.ssh tunnel exist - start
+					#if we are here then STDR_SERV_IP, STDR_LOCAL_PORT && STDR_REMOTE_PORT - OK
+					#1.2.4.3.2.ssh tunnel destroy - start
+					putlog "Destroing ssh tunnel..."
+					process_kill "${SSH_BIN} ${STDR_SSH_OPTS} -f -N -L ${STDR_LOCAL_PORT}:127.0.0.1:${STDR_REMOTE_PORT} root@${STDR_SERV_IP}"
+					ltest_state "Destroy ssh tunnel"
+					#ошибка отказа при убийстве туннеля может критично повлиять на грядущие бэкапы
+					#в связи с этим данную ошибку нельзя игнорировать и нужно прервать выполнение скрипта
+					#1.2.4.3.2.ssh tunnel destroy - finish
+					#1.2.4.3.1.ssh tunnel exist - finish
+				else
+					#1.1.2.4.3.ssh tunnel not exist - start
+					putlog "ssh tunnel not exist"
+					#возможно туннель упал сам к этому моменту
+					#делаю пометку в лог файл. трактовать это как ошибку не совсем корректно
+					#1.1.2.4.3.ssh tunnel not exist - finish
+				fi
+				#1.2.4.2.last operation ok - finish
+			fi
+			#1.2.4.last operation status - finish
+		fi
+		#1.2.check ip - finish
+		#1.1.parameter 1 exist - finish
+	else
+		#1.3.parameter 1 not exist - start
+		send_error_to_log "Host ip not set. Skipping"
+		#generate fail last code
+		STDR_CUR_FN_STATUS="1"
+		#1.3.parameter 1 not exist - finish
+	fi
+	#1.check parameter 1 - finish
+	#2.send fn status - start
+        if [[ ${STDR_CUR_FN_STATUS} == ${STDR_DEF_FN_STATUS} ]]
+        then
+		#2.1.status ok - start
+		#return 0
+		[[ "1" == "1" ]]
+		#2.1.status ok - finish
+	else
+		#2.2.status fail - start
+		#return 1
+		[[ "1" == "0" ]]
+		#2.2.status fail - finish
+	fi
+	#2.send fn status - finish
+}
+
+get_files_nfs4_ssh_state(){
+#check variables
+#{1} - server ip
+#{2} - share path
+#{3} - local port for ssh
+#{4} - remote port for ssh
+#{5} - server name
+#default function status
+GFN4SS_DEF_FN_STATUS="0"
+#current function status
+GFN4SS_CUR_FN_STATUS=${GFN4SS_DEF_FN_STATUS}
+#default nfs port
+GFN4SS_NFS_PORT_DEFAULT="2049"
+	#1. check SERV_IP variable exist - start
+	if [[ ! ( -z ${1} ) ]]
+	then
+		#1.1 SERV_IP set - start
+		GFN4SS_SERV_IP=${1}
+		check_ip_valid ${GFN4SS_SERV_IP}
+		if [[ ! ( ${?} -eq "0" ) ]]
+		then
+			#1.1.1.SERV_IP not valid - start
+			send_error_to_log "Server ip not valid. Skipping"
+			#generate fail exit code
+			GFN4SS_CUR_FN_STATUS="1"
+			#1.1.1.SERV_IP not valid - finish
+		else
+			#1.1.2.SERV_IP valid - start
+			if [[ -z ${2} ]]
+			then
+				#1.1.2.1.SHARE_NAME not set - start
+				send_error_to_log "Share name not set. Skipping"
+				#generate fail exit code
+				GFN4SS_CUR_FN_STATUS="1"
+				#1.1.2.1.SHARE_NAME not set - finish
+			else
+				#1.1.2.2.SHARE_NAME set - start
+				GFN4SS_SHARE_NAME=${2}
+				if [[ ${GFN4SS_SHARE_NAME} == "" ]]
+				then
+					#1.1.2.2.1.SHARE_NAME empty - start
+					send_error_to_log "Share name empty. Skipping"
+					#generate fail exit code
+					GFN4SS_CUR_FN_STATUS="1"
+					#1.1.2.2.1.SHARE_NAME empty - finish
+				else
+					#1.1.2.2.2.SHARE_NAME not empty - start
+					if [[ -z ${4} ]]
+					then
+						#1.1.2.2.2.1.LOCAL_PORT not exist - start
+						GFN4SS_LOCAL_PORT="2049"
+						GFN4SS_REMOTE_PORT=${GFN4SS_LOCAL_PORT}
+						#1.1.2.2.2.1.LOCAL_PORT not exist - finish
+					else
+						#1.1.2.2.2.2.LOCAL_PORT exist - start
+						GFN4SS_LOCAL_PORT=${4}
+						check_num_int_pos ${GFN4SS_LOCAL_PORT}
+						if [[ ! ( ${?} -eq "0" ) ]]
+						then
+							#1.1.2.2.2.2.1.LOCAL_PORT invalid - start
+							send_error_to_log "Local port invalid. Skipping"
+							#generate fail exit code
+							GFN4SS_CUR_FN_STATUS="1"
+							#1.1.2.2.2.2.1.LOCAL_PORT invalid - finish
+						else
+							#1.1.2.2.2.2.2.LOCAL_PORT valid - start
+							if [[ -z ${5} ]]
+							then
+								#1.1.2.2.2.2.2.1.REMOTE_PORT not exist - start
+								GFN4SS_REMOTE_PORT=${GFN4SS_NFS_PORT_DEFAULT}
+								#1.1.2.2.2.2.2.1.REMOTE_PORT not exist - finish
+							else
+								#1.1.2.2.2.2.2.2.REMOTE_PORT exist - start
+								GFN4SS_REMOTE_PORT=${5}
+								check_num_int_pos ${GFN4SS_REMOTE_PORT}
+								if [[ ! ( ${?} -eq "0" ) ]]
+								then
+									#1.1.2.2.2.2.2.2.1.REMOTE_PORT invalid - start
+									send_error_to_log "Remote port invalid. Skipping"
+									#generate fail exit code
+									GFN4SS_CUR_FN_STATUS="1"
+									#1.1.2.2.2.2.2.2.1.REMOTE_PORT invalid - finish
+								fi
+								#1.1.2.2.2.2.2.2.REMOTE_PORT exist - finish
+							fi
+							#1.1.2.2.2.2.2.LOCAL_PORT valid - finish
+						fi
+						#1.1.2.2.2.2.LOCAL_PORT exist - finish
+					fi
+					#1.1.2.2.2.SHARE_NAME not empty - finish
+					#1.1.2.2.3.check parameter 5 - start
+					if [[ ! ( -z ${3} ) ]]
+					then
+						#1.1.2.2.3.1.parameter 5 exist - start
+						GFN4SS_SERV_NAME=${3}
+						#1.1.2.2.3.1.parameter 5 exist - finish
+					else
+						#1.1.2.2.3.2.parameter 5 not exist - start
+						GFN4SS_SERV_NAME=${GFN4SS_SERV_IP}
+						#1.1.2.2.3.2.parameter 5 not exist - finish
+					fi
+					#1.1.2.2.3.check parameter 5 - finish
+				fi
+				#1.1.2.2.SHARE_NAME set - finish
+			fi
+			#1.1.2.SERV_IP valid - finish
+		fi
+		#1.1.SERV_IP set - finish
+	else
+		#1.2.SERV_IP not set - start
+		send_error_to_log "Server ip not set. Skipping"
+		#generate fail exit code
+		GFN4SS_CUR_FN_STATUS="1"
+		#1.2.SERV_IP not set - finish
+	fi
+	#1. check SERV_IP variable exist - finish
+	#
+	#2. check 1. step status - start
+	#if 0 then - ok
+	#if 1 then - variables settings error - fail - exit
+	if [[ ${GFN4SS_CUR_FN_STATUS} == ${GFN4SS_DEF_FN_STATUS} ]]
+	then
+		#2.1.variable settings status - ok - start
+		#create ssh tunnel
+		#putlog "exec: ssh_tunnel_create ${GFN4SS_SERV_IP} ${GFN4SS_LOCAL_PORT} ${GFN4SS_REMOTE_PORT}"
+		ssh_tunnel_create ${GFN4SS_SERV_IP} ${GFN4SS_LOCAL_PORT} ${GFN4SS_REMOTE_PORT}
+		if [[ ! ( ${?} -eq "0" ) ]]
+		then
+			#2.1.1.ssh tunnel create fail - start
+			#generate fail exit code
+			GFN4SS_CUR_FN_STATUS="1"
+			#2.1.1.ssh tunnel create fail - finish
+		else
+			#2.1.2.ssh tunnel create ok - start
+			#execute get_files_nfs4_state()
+			get_files_nfs4_state "127.0.0.1" ${GFN4SS_SHARE_NAME} ${GFN4SS_SERV_NAME} ${GFN4SS_LOCAL_PORT}
+			#check fn status
+			if [[ ${?} -ne "0" ]]
+			then
+				#функция выполнилась с нефаталными ошибками
+				GFN4SS_CUR_FN_STATUS="1"
+			fi
+			#destroy ssh tunnel
+			#putlog "Destroy tunnel: ssh_tunnel_destroy ${GFN4SS_SERV_IP} ${GFN4SS_LOCAL_PORT} ${GFN4SS_REMOTE_PORT}"
+			ssh_tunnel_destroy ${GFN4SS_SERV_IP} ${GFN4SS_LOCAL_PORT} ${GFN4SS_REMOTE_PORT}
+			if [[ ! ( ${?} -eq "0" ) ]]
+			then
+				#2.1.2.1.ssh tunnel destroy fail - start
+				send_error_to_log "Fail to destroy ssh tunnel"
+				#generate fail exit code
+				GFN4SS_CUR_FN_STATUS="1"
+				#2.1.2.1.ssh tunnel destroy fail - finish
+			fi
+			#2.1.2.ssh tunnel create ok - finish
+		fi
+		#2.1.variable settings status - ok - finish
+	fi
+	#2. check 1. step status - finish
+	#3. send FN status - start
+	if [[ ${GFN4SS_CUR_FN_STATUS} == ${GFN4SS_DEF_FN_STATUS} ]]
+	then
+		#3.1.status ok - start
+		#return 0
+		[[ "1" == "1" ]]
+		#3.1.status ok - finish
+	else
+		#3.2.status fail - start
+		#return 1
+		[[ "1" == "0" ]]
+		#3.2.status fail - finish
+	fi
+	#3. send FN status - finish
+}
+
+#get contents of smb share
+get_files_smb_state(){
+#default fn status
+GFSS_DEF_FN_STATUS="0"
+#current fn status
+GFSS_CUR_FN_STATUS=${GFSS_DEF_FN_STATUS}
+
+#path to rm
+RM_BIN="/usr/bin/rm"
+#path to echo
+ECHO_BIN="/usr/bin/echo"
+#path to cat
+CAT_BIN="/usr/bin/cat"
+#path to wc
+WC_BIN="/usr/bin/wc"
+#path to grep
+GREP_BIN="/usr/bin/grep"
+#path to mkdir
+MKDIR_BIN="/usr/bin/mkdir"
+#path to smbclient
+SMBCLIENT_BIN="/usr/bin/smbclient"
+#path to cut bin
+CUT_BIN="/usr/bin/cut"
+#path to awk bin
+AWK_BIN="/usr/bin/awk"
+#path to head bin
+HEAD_BIN="/usr/bin/head"
+#path to tail bin
+TAIL_BIN="/usr/bin/tail"
+#path to sed bin
+SED_BIN="/usr/bin/sed"
+#cache directory
+GFSS_SMBCACHE_DIR="/tmp"
+#path to cache data (NAME WILL BE CHANGED IS SCRIPT BODY!!!)
+GFSS_SMBCACHE="${SMBCACHE_DIR}/default.smbcache"
+#path to error data
+GFSS_SMBERROR="${SMBCACHE_DIR}/default.smberror"
+#path to ok-file
+GFSS_OKFILE="bone.txt"
+
+#check variables
+putlog "check variables"
+if [[ ! (-z ${1} && -z ${2} && -z ${3}) ]]
+then
+	#all variables are set (ok)
+	GFSS_SHARE_NAME=`${ECHO_BIN} ${2} | ${CUT_BIN} -d '_' -f 2`
+	GFSS_SERV_IP=${1}
+	GFSS_USER_NAME=${2}
+	GFSS_PASS=${3}
+	putlog "Validate ip address"
+	check_ip_valid ${GFSS_SERV_IP}
+	#check ip validation result
+	if [[ ! (${?} -eq "0") ]]
+	then
+		#invalid ip address
+		send_error_to_log "IP: ${GFSS_SERV_IP} invalid. Skipping..."
+		GFSS_CUR_FN_STATUS="1"
+	else
+		#valid ip address
+		putlog "IP: ${GFSS_SERV_IP} valid."
+		#checking share name
+		if [[ ! (${GFSS_SHARE_NAME} == "") ]]
+		then
+			#share name not empty string
+			#we need to create data cache file and check connection
+			putlog "Creating caches: generate filenames"
+			GFSS_SMBCACHE="${GFSS_SMBCACHE_DIR}/`${ECHO_BIN} ${GFSS_SHARE_NAME} | ${SED_BIN} -e 's/\\.\\.//g'`.smbcache"
+			if [[ ${?} -ne "0" ]]
+			then
+				GFSS_CUR_FN_STATUS="1"
+			fi
+			#and create file with stderr messages
+			GFSS_SMBERROR="${GFSS_SMBCACHE_DIR}/`${ECHO_BIN} ${GFSS_SHARE_NAME} | ${SED_BIN} -e 's/\\.\\.//g'`.smberror"
+			if [[ ${?} -ne "0" ]]
+			then
+				GFSS_CUR_FN_STATUS="1"
+			fi
+			#промежуточная проверка. если на этом этапе возникла ошибка, то она связана только с процессом генерации имен
+			#временных файлов. неправильно сгенерированные имена файлов в процессе работы скрипта могут привести к непредвиденным
+			#последствиям. по-этому, перестраховываюсь и прекращаю работу скрипта
+			if [[ ${GFSS_CUR_FN_STATUS} != ${GFSS_DEF_FN_STATUS} ]]
+			then
+				[[ "1" == "0" ]]
+			fi
+			ltest_state "generate filenames"
+			#if we cannot create file we must stop the script and send state
+			putlog "Create file: ${GFSS_SMBCACHE}"
+			touch ${GFSS_SMBCACHE}
+			ltest_state "create ${GFSS_SMBCACHE}"
+
+			putlog "Create file: ${GFSS_SMBERROR}"
+			touch ${GFSS_SMBERROR}
+			ltest_state "create ${GFSS_SMBERROR}"
+			#touch это локальная операция. если не получилось записать в файловую систему, то
+			#велика вероятность того что все последующие операции резервирования шар будут неудачны
+			#в свзяи с этим тушим скрипт окончательно
+			#аналогично для файла с ошибками
+			putlog "Get contents of ${GFSS_SHARE_NAME} share"
+			${SMBCLIENT_BIN} -e //${GFSS_SERV_IP}/${GFSS_SHARE_NAME} -U ${GFSS_USER_NAME}\%${GFSS_PASS} -I ${GFSS_SERV_IP} -c "ls" > ${GFSS_SMBCACHE} 2> ${GFSS_SMBERROR}
+			#if we cannot get contents we need to:
+			#1) create alert with error
+			#2) wait some seconds
+			#3) skip and continue with other share
+			if [[ ${?} -ne "0" ]]
+			then
+				#we got some error
+				#errors in smbclient go through STDOUT
+				#warnings in smbclient go through STDERR
+				[[ "1" == "0" ]]
+				ltest_state_continue "${GFSS_SMBCACHE}"
+				GFSS_CUR_FN_STATUS="1"
+			else
+				#ok	
+				#check smbcache
+				#if wc -l > 0 and bone exist - ok
+				#if wc -l > 0 and bone ! exist - warn
+				#if wc -l = 0 skip
+				${CAT_BIN} ${GFSS_SMBCACHE} | ${TAIL_BIN} -n +3 | ${HEAD_BIN} -n -2 | ${GREP_BIN} -e ".*" > /dev/null 2>&1
+				#if [ ! -s ${GFSS_SMBCACHE} ]
+				#if [[ $( ${CAT_BIN} ${GFSS_SMBCACHE} | ${WC_BIN} -l ) -eq 0 ]]
+				if [[ ${?} -eq "1" ]]
+				then
+					#empty share
+					putlog "empty share. skip"
+				else
+					#share not empty
+					${CAT_BIN} ${GFSS_SMBCACHE} | ${GREP_BIN} ${GFSS_OKFILE} > ${GFSS_SMBERROR} 2>&1
+					if [[ ${?} -eq "0" ]]
+					then
+						#bone exist. copy files
+						#нужно проверить существует ли уже каталог
+						if [[ ! -d ${TMP_DIR}/${ARCH}/${GFSS_SHARE_NAME} ]]
+						then
+							#каталога не существует. создаем и резервируемся
+							putlog "mkdir: ${TMP_DIR}/${GFSS_SHARE_NAME}"
+							${MKDIR_BIN} -p ${TMP_DIR}/${GFSS_SHARE_NAME}
+							ltest_state "mkdir: ${TMP_DIR}/${GFSS_SHARE_NAME}"
+
+							putlog "start copy files"
+							for GFSS_CURFILE in `${CAT_BIN} ${GFSS_SMBCACHE} | ${TAIL_BIN} -n +3 | ${HEAD_BIN} -n -2 | ${AWK_BIN} '{print \$1}'`;
+							do
+								putlog "copy file: ${GFSS_CURFILE}"
+								${SMBCLIENT_BIN} -e //${GFSS_SERV_IP}/${GFSS_SHARE_NAME} -U ${GFSS_USER_NAME}\%${GFSS_PASS}  -I ${GFSS_SERV_IP} -c "get ${GFSS_CURFILE} ${TMP_DIR}/${GFSS_SHARE_NAME}/${GFSS_CURFILE}" > ${GFSS_SMBERROR} 2>1
+								ltest_state_continue "${GFSS_SMBERROR}"
+								if [[ ${?} -ne "0" ]]
+								then
+									GFSS_CUR_FN_STATUS="1"
+								fi
+							done
+							putlog "copy files done"
+						else
+							#каталог уже существует
+							send_error_to_log "${TMP_DIR}/${GFSS_SHARE_NAME} exist. Skipping"
+							GFSS_CUR_FN_STATUS="1"
+						fi
+					else
+						#files exist but bone.txt not exist
+						#generate alert sleep and skip
+						send_error_to_log "Backup is in progress on remote share ${GFSS_SHARE_NAME}"
+						GFSS_CUR_FN_STATUS="1"
+					fi
+				fi
+			fi
+			putlog "Destroy ${GFSS_SMBCACHE}"
+			${RM_BIN} -rf ${GFSS_SMBCACHE}
+			ltest_state "rm ${GFSS_SMBCACHE}"
+			putlog "Destroy ${GFSS_SMBERROR}"
+			${RM_BIN} -rf ${GFSS_SMBERROR}
+			ltest_state "rm ${GFSS_SMBERROR}"
+		else
+			#share name empty string
+			putlog "share name empty. skipping"
+			GFSS_CUR_FN_STATUS="1"
+		fi
+	fi
+else
+	#one or more variables not exist
+	send_error_to_log "Ip addr or/and share name or/and password not set"
+	GFSS_CUR_FN_STATUS="1"
+fi
+#2.send fn status - start
+if [[ ${GFSS_CUR_FN_STATUS} == ${GFSS_DEF_FN_STATUS} ]]
+then
+	#2.1.status ok - start
+	[[ "1" == "1" ]]
+	#2.1.status ok - finish
+else
+	#2.2.status fail - start
+	[[ "1" == "0" ]]
+	#2.2.status fail - finish
+fi
+#
+#2.send fn status - finish
+}
+
+get_nfs_backups_state(){
+#path to cat
+CAT_BIN="/usr/bin/cat"
+#path to cut
+CUT_BIN="/usr/bin/cut"
+#path to grep
+GREP_BIN="/usr/bin/grep"
+#path to wc
+WC_BIN="/usr/bin/wc"
+
+GNB_DEF_FN_STATUS="0"
+GNB_CUR_FN_STATUS="${GNB_DEF_FN_STATUS}"
+
+if [[ -f ${1} ]]
+then
+	#file exists
+	if [[ $( ${CAT_BIN} ${1} | ${GREP_BIN} -v -e '^$' | ${WC_BIN} -l ) -ne 0 ]]
+	then
+		#exist lines
+		putlog "Start backup NFS shares"
+		for CUR_NFS_SHARE in `cat ${NFS_BASE}`
+		do
+			#parsing file
+			CUR_HOST=`echo ${CUR_NFS_SHARE} | ${CUT_BIN} -d ';' -f 1`
+			CUR_SHARE=`echo ${CUR_NFS_SHARE} | ${CUT_BIN} -d ';' -f 2`
+			CUR_SERV_NAME=`echo ${CUR_NFS_SHARE} | ${CUT_BIN} -d ';' -f3`
+			CUR_LPORT=`echo ${CUR_NFS_SHARE} | ${CUT_BIN} -d ';' -f 4`
+			CUR_RPORT=`echo ${CUR_NFS_SHARE} | ${CUT_BIN} -d ';' -f 5`
+			#execute backup
+			putlog "Try to backup ${CUR_HOST}:${CUR_SHARE}"
+			#putlog "Cur lport: ${CUR_LPORT}; Cur rport: ${CUR_RPORT}"
+			if [[ ! ( -z ${CUR_LPORT} ) ]]
+			then
+				#lport defined
+				if [[ ! ( -z ${CUR_RPORT} ) ]]
+				then
+					#rport defined
+					#putlog "exec: get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME} ${CUR_LPORT} ${CUR_RPORT}"
+					get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME} ${CUR_LPORT} ${CUR_RPORT}
+				else
+					#rport not defined
+					#putlog "exec: get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME} ${CUR_LPORT}"
+					get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME} ${CUR_LPORT}
+				fi
+			else
+				#lport not defined
+				#putlog "exec: get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME}"
+				get_files_nfs4_ssh_state ${CUR_HOST} ${CUR_SHARE} ${CUR_SERV_NAME}
+			fi
+			#get_files_smb_state ${CUR_HOST} ${CUR_USER} ${CUR_PASS}
+			if [[ ${?} -ne "0" ]]
+			then
+				#изменить статус, если хотя бы один вызов функции выполнился с некритичными ошибками
+				GNB_CUR_FN_STATUS="1"
+			fi
+		done
+		putlog "Finish backup nfs shares"
+	else
+		send_error_to_log "no valid lines in ${NFS_BASE}. skip nfs"
+		GNB_CUR_FN_STATUS="1"
+	fi
+else
+	send_error_to_log "File not exist: ${1}"
+	GNB_CUR_FN_STATUS="1"
+fi
+		
+if [[ ${GNB_CUR_FN_STATUS} == ${GNB_DEF_FN_STATUS} ]]
+then
+	#2.1.status ok - start
+	[[ "1" == "1" ]]
+	#2.1.status ok - finish
+else
+	#2.2.status fail - start
+	[[ "1" == "0" ]]
+	#2.2.status fail - finish
+fi
+}
+
+get_smb_backups_state(){
+#path to cat
+CAT_BIN="/usr/bin/cat"
+#path to cut
+CUT_BIN="/usr/bin/cut"
+#path to grep
+GREP_BIN="/usr/bin/grep"
+#path to wc
+WC_BIN="/usr/bin/wc"
+
+GSB_DEF_FN_STATUS="0"
+GSB_CUR_FN_STATUS="${GSB_DEF_FN_STATUS}"
+
+if [[ -f ${1} ]]
+then
+	#file exists
+	if [[ $( ${CAT_BIN} ${SMB_BASE} | ${GREP_BIN} -v -e '^$' | ${WC_BIN} -l ) -ne 0 ]]
+	then
+		#exist lines
+		putlog "Start backup smb shares"
+		for CUR_SMB_SHARE in `cat ${SMB_BASE}`
+		do
+			#parsing file
+			CUR_HOST=`echo ${CUR_SMB_SHARE} | ${CUT_BIN} -d ';' -f 1`
+			CUR_USER=`echo ${CUR_SMB_SHARE} | ${CUT_BIN} -d ';' -f 2`
+			CUR_PASS=`echo ${CUR_SMB_SHARE} | ${CUT_BIN} -d ';' -f 3`
+			#execute backup
+			putlog "Try to backup `echo ${CUR_USER} | ${CUT_BIN} -d '_' -f 2`"
+			get_files_smb_state ${CUR_HOST} ${CUR_USER} ${CUR_PASS}
+			if [[ ${?} -ne "0" ]]
+			then
+				#изменить статус, если хотя бы один вызов функции выполнился с некритичными ошибками
+				GSB_CUR_FN_STATUS="1"
+			fi
+		done
+		putlog "Finish backup smb shares"
+	else
+		putlog "no valid lines in ${SMB_BASE}. skip smb"
+		GSB_CUR_FN_STATUS="1"
+	fi
+else
+	#smb_base not exist
+	putlog "no smb_base file. skip smb"
+	GSB_CUR_FN_STATUS="1"
+fi
+		
+if [[ ${GSB_CUR_FN_STATUS} == ${GSB_DEF_FN_STATUS} ]]
+then
+	#2.1.status ok - start
+	[[ "1" == "1" ]]
+	#2.1.status ok - finish
+else
+	#2.2.status fail - start
+	[[ "1" == "0" ]]
+	#2.2.status fail - finish
+fi
+}
diff --git a/mdmxen/lib/libxen.sh b/mdmxen/lib/libxen.sh
new file mode 100644
index 0000000..992ec0d
--- /dev/null
+++ b/mdmxen/lib/libxen.sh
@@ -0,0 +1,82 @@
+# mdmxen project - library for xen
+
+backup_vm_run_snap(){
+  VM_UUID=$1
+  VM_NAME=$2
+  COMPRESS=$3
+  putlog "start backup_vpm_run_snap $VM_NAME"
+
+  putlog "create snapshot"
+  SNAP_UUID=$(xe vm-snapshot uuid=$VM_UUID new-name-label=snap-$VM_NAME)
+  ltest_state "create snapshot"
+
+  putlog "prepare export"
+  xe template-param-set is-a-template=false ha-always-run=false uuid=$SNAP_UUID
+  ltest_state "prepare export"
+
+  putlog "export vm"
+  xe vm-export vm=$SNAP_UUID filename=$TMP_DIR/$VM_NAME.xva compress=$COMPRESS
+  ltest_state "export vm"
+
+  putlog "delete snapshot"
+  xe vm-uninstall uuid=$SNAP_UUID force=true
+  ltest_state "delete snapshot"
+  putlog "stop backup_vpm_run_snap $VM_NAME"
+}
+
+backup_vm_off(){
+  VM_UUID=$1
+  VM_NAME=$2
+  COMPRESS=$3
+  putlog "start backup_vm_off $VM_NAME"
+
+  putlog "shutdown vm $VM_NAME"
+  xe vm-shutdown vm=$VM_UUID
+  ltest_state "shutdown vm $VM_NAME"
+  sleep 60
+
+  putlog "export vm $VM_NAME"
+  xe vm-export vm=$VM_UUID filename=$TMP_DIR/$VM_NAME.xva compress=$COMPRESS
+  ltest_state "export vm $VM_NAME"
+
+  putlog "start vm $VM_NAME"
+  xe vm-start vm=$VM_UUID
+  ltest_state "run vm $VM_NAME"
+  sleep 60
+  putlog "stop backup_vm_off $VM_NAME"
+}
+
+backup_vm_off_snap(){
+  VM_UUID=$1
+  VM_NAME=$2
+  COMPRESS=$3
+  putlog "start backup_vm_off_snap $VM_NAME"
+
+  putlog "shutdown vm $VM_NAME"
+  xe vm-shutdown vm=$VM_UUID
+  ltest_state "shutdown vm $VM_NAME"
+  sleep 60
+
+  putlog "create snapshot"
+  SNAP_UUID=$(xe vm-snapshot uuid=$VM_UUID new-name-label=snap-$VM_NAME)
+  ltest_state "create snapshot"
+
+  putlog "start vm $VM_NAME"
+  xe vm-start vm=$VM_UUID
+  ltest_state "run vm $VM_NAME"
+  sleep 60
+
+  putlog "prepare export"
+  xe template-param-set is-a-template=false ha-always-run=false uuid=$SNAP_UUID
+  ltest_state "prepare export"
+
+  putlog "export vm"
+  xe vm-export vm=$SNAP_UUID filename=$TMP_DIR/$VM_NAME.xva compress=$COMPRESS
+  ltest_state "export vm"
+
+  putlog "delete snapshot"
+  xe vm-uninstall uuid=$SNAP_UUID force=true
+  ltest_state "delete snapshot"
+
+  putlog "stop backup_vm_off_snap $VM_NAME"
+}
\ No newline at end of file