diff --git a/mysql-test/suite/galera/r/galera_log_bin_ext.result b/mysql-test/suite/galera/r/galera_log_bin_ext.result
index c5ff66d17b3..134ccc505bb 100644
--- a/mysql-test/suite/galera/r/galera_log_bin_ext.result
+++ b/mysql-test/suite/galera/r/galera_log_bin_ext.result
@@ -53,28 +53,7 @@ COUNT(*) = 2
 1
 include/show_binlog_events.inc
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
-hostname1-bin.000001	#	Gtid	#	#	GTID #-#-#
-hostname1-bin.000001	#	Query	#	#	use `test`; CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB
-hostname1-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
-hostname1-bin.000001	#	Annotate_rows	#	#	INSERT INTO t1 VALUES (1)
-hostname1-bin.000001	#	Table_map	#	#	table_id: # (test.t1)
-hostname1-bin.000001	#	Write_rows_v1	#	#	table_id: # flags: STMT_END_F
-hostname1-bin.000001	#	Xid	#	#	COMMIT /* XID */
-hostname1-bin.000001	#	Gtid	#	#	GTID #-#-#
-hostname1-bin.000001	#	Query	#	#	use `test`; CREATE TABLE t2 (id INT) ENGINE=InnoDB
-hostname1-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
-hostname1-bin.000001	#	Annotate_rows	#	#	INSERT INTO t2 VALUES (1)
-hostname1-bin.000001	#	Table_map	#	#	table_id: # (test.t2)
-hostname1-bin.000001	#	Write_rows_v1	#	#	table_id: # flags: STMT_END_F
-hostname1-bin.000001	#	Xid	#	#	COMMIT /* XID */
-hostname1-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
-hostname1-bin.000001	#	Annotate_rows	#	#	INSERT INTO t2 VALUES (1)
-hostname1-bin.000001	#	Table_map	#	#	table_id: # (test.t2)
-hostname1-bin.000001	#	Write_rows_v1	#	#	table_id: # flags: STMT_END_F
-hostname1-bin.000001	#	Xid	#	#	COMMIT /* XID */
-hostname1-bin.000001	#	Gtid	#	#	GTID #-#-#
-hostname1-bin.000001	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN f2 INTEGER
-hostname1-bin.000001	#	Rotate	#	#	hostname1-bin.000002;pos=4
+hostname1-bin.000002	#	Binlog_checkpoint	#	#	hostname1-bin.000002
 DROP TABLE t1;
 DROP TABLE t2;
 #cleanup
diff --git a/scripts/wsrep_sst_backup.sh b/scripts/wsrep_sst_backup.sh
index 4f98ad41dd5..6f8c658135a 100644
--- a/scripts/wsrep_sst_backup.sh
+++ b/scripts/wsrep_sst_backup.sh
@@ -71,7 +71,7 @@ then
         # (b) Cluster state ID & wsrep_gtid_domain_id to be written to the file, OR
         # (c) ERROR file, in case flush tables operation failed.
 
-        while [ ! -r "$FLUSHED" ] && \
+        while [ ! -r "$FLUSHED" ] || \
                 ! grep -q -F ':' -- "$FLUSHED"
         do
             # Check whether ERROR file exists.
diff --git a/scripts/wsrep_sst_common.sh b/scripts/wsrep_sst_common.sh
index 44c6a7b4476..6a94cb0f706 100644
--- a/scripts/wsrep_sst_common.sh
+++ b/scripts/wsrep_sst_common.sh
@@ -104,6 +104,7 @@ WSREP_SST_OPT_HOST_UNESCAPED=""
 INNODB_DATA_HOME_DIR=$(trim_dir "${INNODB_DATA_HOME_DIR:-}")
 INNODB_LOG_GROUP_HOME=$(trim_dir "${INNODB_LOG_GROUP_HOME:-}")
 INNODB_UNDO_DIR=$(trim_dir "${INNODB_UNDO_DIR:-}")
+INNODB_BUFFER_POOL=""
 INNODB_FORCE_RECOVERY=""
 INNOEXTRA=""
 
@@ -212,6 +213,10 @@ case "$1" in
         readonly INNODB_UNDO_DIR=$(trim_dir "$2")
         shift
         ;;
+    '--innodb-buffer-pool-filename')
+        readonly INNODB_BUFFER_POOL=$(trim_string "$2")
+        shift
+        ;;
     '--defaults-file')
         readonly WSREP_SST_OPT_DEFAULT="$1=$2"
         readonly WSREP_SST_OPT_DEFAULTS="$1='$2'"
@@ -471,6 +476,12 @@ case "$1" in
                        fi
                        skip_mysqld_arg=1
                        ;;
+                   '--innodb-buffer-pool-filename')
+                       if [ -z "$INNODB_BUFFER_POOL" ]; then
+                           MYSQLD_OPT_INNODB_BUFFER_POOL=$(trim_string "$value")
+                       fi
+                       skip_mysqld_arg=1
+                       ;;
                    '--innodb-force-recovery')
                        if [ -n "$value" -a "$value" != "0" ]; then
                            INNODB_FORCE_RECOVERY=$(trim_string "$value")
@@ -552,6 +563,10 @@ if [ -n "${MYSQLD_OPT_INNODB_UNDO_DIR:-}" -a \
      -z "$INNODB_UNDO_DIR" ]; then
     readonly INNODB_UNDO_DIR="$MYSQLD_OPT_INNODB_UNDO_DIR"
 fi
+if [ -n "${MYSQLD_OPT_INNODB_BUFFER_POOL:-}" -a \
+     -z "$INNODB_BUFFER_POOL" ]; then
+    readonly INNODB_BUFFER_POOL="$MYSQLD_OPT_INNODB_BUFFER_POOL"
+fi
 if [ -n "${MYSQLD_OPT_LOG_BIN:-}" -a \
      -z "$WSREP_SST_OPT_BINLOG" ]; then
     readonly WSREP_SST_OPT_BINLOG="$MYSQLD_OPT_LOG_BIN"
@@ -602,6 +617,9 @@ fi
 if [ -n "$INNODB_UNDO_DIR" ]; then
     INNOEXTRA="$INNOEXTRA --innodb-undo-directory='$INNODB_UNDO_DIR'"
 fi
+if [ -n "$INNODB_BUFFER_POOL" ]; then
+    INNOEXTRA="$INNOEXTRA --innodb-buffer-pool-filename='$INNODB_BUFFER_POOL'"
+fi
 if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
     INNOEXTRA="$INNOEXTRA --log-bin='$WSREP_SST_OPT_BINLOG'"
     if [ -n "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
diff --git a/scripts/wsrep_sst_mariabackup.sh b/scripts/wsrep_sst_mariabackup.sh
index 5521dd51098..63ef8be8690 100644
--- a/scripts/wsrep_sst_mariabackup.sh
+++ b/scripts/wsrep_sst_mariabackup.sh
@@ -664,6 +664,9 @@ cleanup_at_exit()
     local estatus=$?
     if [ $estatus -ne 0 ]; then
         wsrep_log_error "Cleanup after exit with status: $estatus"
+    elif [ -z "${coords:-}" -a "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
+        estatus=32
+        wsrep_log_error "Failed to get current position"
     fi
 
     [ "$(pwd)" != "$OLD_PWD" ] && cd "$OLD_PWD"
@@ -934,6 +937,11 @@ if [ $ssyslog -eq 1 ]; then
             logger -p daemon.err -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
         }
 
+        wsrep_log_warning()
+        {
+            logger -p daemon.warning -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
+        }
+
         wsrep_log_info()
         {
             logger -p daemon.info -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
@@ -1015,7 +1023,7 @@ setup_commands()
         recovery=" --innodb-force-recovery=$INNODB_FORCE_RECOVERY"
     fi
     INNOAPPLY="$BACKUP_BIN --prepare$disver$recovery${iapts:+ }$iapts$INNOEXTRA --target-dir='$DATA' --datadir='$DATA'$mysqld_args $INNOAPPLY"
-    INNOMOVE="$BACKUP_BIN$WSREP_SST_OPT_CONF --move-back$disver${impts:+ }$impts$INNOEXTRA --force-non-empty-directories --target-dir='$DATA' --datadir='${TDATA:-$DATA}' $INNOMOVE"
+    INNOMOVE="$BACKUP_BIN$WSREP_SST_OPT_CONF --move-back$disver${impts:+ }$impts$INNOEXTRA --galera-info --force-non-empty-directories --target-dir='$DATA' --datadir='${TDATA:-$DATA}' $INNOMOVE"
     INNOBACKUP="$BACKUP_BIN$WSREP_SST_OPT_CONF --backup$disver${iopts:+ }$iopts$tmpopts$INNOEXTRA --galera-info --stream=$sfmt --target-dir='$itmpdir' --datadir='$DATA'$mysqld_args $INNOBACKUP"
 }
 
@@ -1153,11 +1161,6 @@ if [ "$WSREP_SST_OPT_ROLE" = 'donor' ]; then
             iopts="--parallel=$backup_threads${iopts:+ }$iopts"
         fi
 
-        max_binlogs=$(parse_cnf "$encgroups" 'sst-max-binlogs')
-        if [ -n "$max_binlogs" ]; then
-            iopts="--sst-max-binlogs=$max_binlogs${iopts:+ }$iopts"
-        fi
-
         setup_commands
 
         set +e
diff --git a/scripts/wsrep_sst_rsync.sh b/scripts/wsrep_sst_rsync.sh
index 7096bb4b330..ddf41559c29 100644
--- a/scripts/wsrep_sst_rsync.sh
+++ b/scripts/wsrep_sst_rsync.sh
@@ -38,6 +38,9 @@ cleanup_joiner()
     local estatus=$?
     if [ $estatus -ne 0 ]; then
         wsrep_log_error "Cleanup after exit with status: $estatus"
+    elif [ -z "${coords:-}" ]; then
+        estatus=32
+        wsrep_log_error "Failed to get current position"
     fi
 
     local failure=0
@@ -408,7 +411,7 @@ EOF
         # (b) Cluster state ID & wsrep_gtid_domain_id to be written to the file, OR
         # (c) ERROR file, in case flush tables operation failed.
 
-        while [ ! -r "$FLUSHED" ] && \
+        while [ ! -r "$FLUSHED" ] || \
                 ! grep -q -F ':' -- "$FLUSHED"
         do
             # Check whether ERROR file exists.
@@ -433,8 +436,8 @@ EOF
             # Let's check the existence of the file with the index:
             if [ -f "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
                 # Let's read the binlog index:
-                max_binlogs=$(parse_cnf "$encgroups" 'sst-max-binlogs')
-                if [ -n "$max_binlogs" ]; then
+                max_binlogs=$(parse_cnf "$encgroups" 'sst-max-binlogs' 1)
+                if [ $max_binlogs -ge 0 ]; then
                     binlog_files=""
                     if [ $max_binlogs -gt 0 ]; then
                         binlog_files=$(tail -n $max_binlogs \