diff --git a/mariadb-backup/mariadb-backup-full.sh b/mariadb-backup/mariadb-backup-full.sh
new file mode 100644
index 0000000..25b9326
--- /dev/null
+++ b/mariadb-backup/mariadb-backup-full.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+set -euo pipefail
+
+ulimit -n 65536
+
+BACKUP_BASE=/var/lib/mariadb-backup
+TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+TARGET="$BACKUP_BASE/backup-full-$TIMESTAMP"
+LOGFILE=/var/log/mariadb-backup.log
+LOCKFILE=/var/lock/mariadb-backup.lock
+
+# assicurati che il logfile esista e abbia permessi restrittivi
+touch "$LOGFILE"
+chown root:root "$LOGFILE"
+chmod 600 "$LOGFILE"
+
+(
+  flock -n 9 || { echo "[$(date '+%F %T')] SKIP: another backup is running" >> "$LOGFILE"; exit 0; }
+
+  mkdir -p "$TARGET"
+  chown mysql:mysql "$TARGET"
+  chmod 750 "$TARGET"
+
+  TMPLOG=$(mktemp /tmp/mariadb-backup.XXXXXX)
+
+  echo "---------------------" >> "$LOGFILE"
+  echo "[$(date '+%F %T')] START backup full $TARGET" >> "$LOGFILE"
+
+  if mariadb-backup --defaults-file=/etc/mysql/backup.conf --backup --target-dir="$TARGET" --verbose >"$TMPLOG" 2>&1; then
+    echo "[$(date '+%F %T')] NOTE: full created UNPREPARED at $TARGET" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] END backup full $TARGET" >> "$LOGFILE"
+
+    # misura dimensione apparente (byte logici)
+    size_apparent_bytes=$(find "$TARGET" -type f -printf '%s\n' 2>/dev/null | awk '{s+=$1} END{print s+0}')
+    size_apparent_human=$(numfmt --to=iec --suffix=B "$size_apparent_bytes" 2>/dev/null || echo "${size_apparent_bytes}B")
+
+    # misura spazio su disco effettivo (byte allocati)
+    size_disk_bytes=$(du -s --block-size=1 "$TARGET" 2>/dev/null | cut -f1 || echo 0)
+    size_disk_human=$(numfmt --to=iec --suffix=B "$size_disk_bytes" 2>/dev/null || echo "${size_disk_bytes}B")
+
+    echo "[$(date '+%F %T')] SIZE apparent: $size_apparent_human ($size_apparent_bytes bytes) for $TARGET" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] SIZE on-disk: $size_disk_human ($size_disk_bytes bytes) for $TARGET" >> "$LOGFILE"
+
+    echo "[$(date '+%F %T')] RESULT: OK, no errors" >> "$LOGFILE"
+
+    rm -f "$TMPLOG"
+  else
+    echo "[$(date '+%F %T')] ERROR during backup for $TARGET. See $TMPLOG" >> "$LOGFILE"
+    tail -n 200 "$TMPLOG" >> "$LOGFILE"
+    rm -f "$TMPLOG"
+    exit 1
+  fi
+
+  # rotazione: mantieni 7 giorni solo per i full (log dettagliato come per gli incrementali)
+  TO_DELETE=$(find "$BACKUP_BASE" -maxdepth 1 -type d -name 'backup-full-*' -mtime +7 -print 2>/dev/null || true)
+
+  if [ -n "$TO_DELETE" ]; then
+    echo "[$(date '+%F %T')] ROTATE: removing old fulls:" >> "$LOGFILE"
+    echo "$TO_DELETE" >> "$LOGFILE"
+    echo "$TO_DELETE" | tr '\n' '\0' | xargs -0 -r rm -rf --
+  else
+    echo "[$(date '+%F %T')] ROTATE: no fulls to remove (<=7 days)" >> "$LOGFILE"
+  fi
+
+  echo " " >> "$LOGFILE"
+
+) 9>"$LOCKFILE"
diff --git a/mariadb-backup/mariadb-backup-incremental.sh b/mariadb-backup/mariadb-backup-incremental.sh
new file mode 100644
index 0000000..617736e
--- /dev/null
+++ b/mariadb-backup/mariadb-backup-incremental.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+set -euo pipefail
+
+ulimit -n 65536
+
+BACKUP_BASE=/var/lib/mariadb-backup
+FULL_PREFIX=backup-full-
+INC_PREFIX=backup-inc-
+TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+TARGET="$BACKUP_BASE/${INC_PREFIX}${TIMESTAMP}"
+LOGFILE=/var/log/mariadb-backup.log
+LOCKFILE=/var/lock/mariadb-backup.lock
+
+touch "$LOGFILE"
+chown root:root "$LOGFILE"
+chmod 600 "$LOGFILE"
+
+(
+  flock -n 9 || { echo "[$(date '+%F %T')] SKIP: another backup is running" >> "$LOGFILE"; exit 0; }
+
+  LATEST_FULL=$(ls -1d ${BACKUP_BASE}/${FULL_PREFIX}* 2>/dev/null | sort | tail -n1 || true)
+
+  if [ -z "$LATEST_FULL" ]; then
+    echo "[$(date '+%F %T')] ERROR: no full backup found in $BACKUP_BASE. Create a full backup first." >> "$LOGFILE"
+    exit 1
+  fi
+
+  BASE_DIR="$LATEST_FULL"
+
+  mkdir -p "$TARGET"
+  chown mysql:mysql "$TARGET"
+  chmod 750 "$TARGET"
+
+  TMPLOG=$(mktemp /tmp/mariadb-backup-inc.XXXXXX)
+
+  echo "---------------------" >> "$LOGFILE"
+  echo "[$(date '+%F %T')] START incremental backup $TARGET (base: $BASE_DIR)" >> "$LOGFILE"
+
+  if mariadb-backup --defaults-file=/etc/mysql/backup.conf --backup --target-dir="$TARGET" --incremental-basedir="$BASE_DIR" --verbose >"$TMPLOG" 2>&1; then
+    echo "[$(date '+%F %T')] END incremental backup $TARGET" >> "$LOGFILE"
+
+    # misura dimensione apparente (byte logici)
+    size_apparent_bytes=$(find "$TARGET" -type f -printf '%s\n' 2>/dev/null | awk '{s+=$1} END{print s+0}')
+    size_apparent_human=$(numfmt --to=iec --suffix=B "$size_apparent_bytes" 2>/dev/null || echo "${size_apparent_bytes}B")
+
+    # misura spazio su disco effettivo (byte allocati)
+    size_disk_bytes=$(du -s --block-size=1 "$TARGET" 2>/dev/null | cut -f1 || echo 0)
+    size_disk_human=$(numfmt --to=iec --suffix=B "$size_disk_bytes" 2>/dev/null || echo "${size_disk_bytes}B")
+
+    echo "[$(date '+%F %T')] SIZE apparent: $size_apparent_human ($size_apparent_bytes bytes) for $TARGET" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] SIZE on-disk: $size_disk_human ($size_disk_bytes bytes) for $TARGET" >> "$LOGFILE"
+
+    echo "[$(date '+%F %T')] RESULT: OK, no errors" >> "$LOGFILE"
+
+    rm -f "$TMPLOG"
+  else
+    echo "[$(date '+%F %T')] ERROR during incremental backup for $TARGET. See $TMPLOG" >> "$LOGFILE"
+    tail -n 200 "$TMPLOG" >> "$LOGFILE"
+    rm -f "$TMPLOG"
+    exit 1
+  fi
+
+  # rotazione: mantieni esattamente 11 incrementali più recenti
+  cd "$BACKUP_BASE" || exit 1
+  TO_DELETE=$(ls -1d ${INC_PREFIX}* 2>/dev/null | sort | head -n -11 || true)
+
+  if [ -n "$TO_DELETE" ]; then
+    echo "[$(date '+%F %T')] ROTATE: removing old incrementals:" >> "$LOGFILE"
+    echo "$TO_DELETE" >> "$LOGFILE"
+    echo "$TO_DELETE" | xargs -r -d '\n' rm -rf --
+  else
+    echo "[$(date '+%F %T')] ROTATE: no incrementals to remove (<=11 present)" >> "$LOGFILE"
+  fi
+
+  echo " " >> "$LOGFILE"
+
+) 9>"$LOCKFILE"
\ No newline at end of file
diff --git a/mariadb-backup/mariadb-backup-logic.sh b/mariadb-backup/mariadb-backup-logic.sh
new file mode 100644
index 0000000..35e301e
--- /dev/null
+++ b/mariadb-backup/mariadb-backup-logic.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+set -euo pipefail
+
+ulimit -n 65536
+
+BACKUP_BASE=/var/lib/mariadb-backup
+PREFIX=backup-logic-
+TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+TARGET="$BACKUP_BASE/${PREFIX}${TIMESTAMP}"
+DUMPFILE="$TARGET/all-dbs.sql"
+
+LOGFILE=/var/log/mariadb-backup.log
+LOCKFILE=/var/lock/mariadb-backup.lock
+
+# mysqldump bin e opzioni (root senza password: non passiamo --defaults-file)
+MYSQLDUMP_BIN=$(command -v mysqldump || true)
+MYSQLDUMP_OPTS="--user=root --all-databases --single-transaction --quick --lock-tables=FALSE"
+
+# assicurati che il logfile esista e abbia permessi restrittivi
+touch "$LOGFILE"
+chown root:root "$LOGFILE"
+chmod 600 "$LOGFILE"
+
+(
+  flock -n 9 || { echo "[$(date '+%F %T')] SKIP: another backup is running" >> "$LOGFILE"; exit 0; }
+
+  if [ -z "$MYSQLDUMP_BIN" ]; then
+    echo "[$(date '+%F %T')] ERROR: mysqldump not found in PATH" >> "$LOGFILE"
+    exit 1
+  fi
+
+  mkdir -p "$TARGET"
+  chown mysql:mysql "$TARGET"
+  chmod 750 "$TARGET"
+
+  TMPLOG=$(mktemp /tmp/mariadb-backup-logic.XXXXXX)
+
+  echo "---------------------" >> "$LOGFILE"
+  echo "[$(date '+%F %T')] START logic backup $TARGET" >> "$LOGFILE"
+
+  # esegui il dump: stdout -> file, stderr -> TMPLOG
+  if $MYSQLDUMP_BIN $MYSQLDUMP_OPTS >"$DUMPFILE" 2>"$TMPLOG"; then
+    echo "[$(date '+%F %T')] END logic backup $TARGET" >> "$LOGFILE"
+
+    # misura dimensione apparente (byte logici)
+    size_apparent_bytes=$(find "$TARGET" -type f -printf '%s\n' 2>/dev/null | awk '{s+=$1} END{print s+0}')
+    size_apparent_human=$(numfmt --to=iec --suffix=B "$size_apparent_bytes" 2>/dev/null || echo "${size_apparent_bytes}B")
+
+    # misura spazio su disco effettivo (byte allocati)
+    size_disk_bytes=$(du -s --block-size=1 "$TARGET" 2>/dev/null | cut -f1 || echo 0)
+    size_disk_human=$(numfmt --to=iec --suffix=B "$size_disk_bytes" 2>/dev/null || echo "${size_disk_bytes}B")
+
+    echo "[$(date '+%F %T')] SIZE apparent: $size_apparent_human ($size_apparent_bytes bytes) for $TARGET" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] SIZE on-disk: $size_disk_human ($size_disk_bytes bytes) for $TARGET" >> "$LOGFILE"
+
+    echo "[$(date '+%F %T')] RESULT: OK, no errors" >> "$LOGFILE"
+
+    rm -f "$TMPLOG"
+  else
+    echo "[$(date '+%F %T')] ERROR during logic backup for $TARGET. See $TMPLOG" >> "$LOGFILE"
+    tail -n 200 "$TMPLOG" >> "$LOGFILE"
+    rm -f "$TMPLOG"
+    exit 1
+  fi
+
+  # rotazione: mantieni 7 giorni per i logic (log dettagliato)
+  TO_DELETE=$(find "$BACKUP_BASE" -maxdepth 1 -type d -name "${PREFIX}*" -mtime +7 -print 2>/dev/null || true)
+
+  if [ -n "$TO_DELETE" ]; then
+    echo "[$(date '+%F %T')] ROTATE: removing old logic backups:" >> "$LOGFILE"
+    echo "$TO_DELETE" >> "$LOGFILE"
+    echo "$TO_DELETE" | tr '\n' '\0' | xargs -0 -r rm -rf --
+  else
+    echo "[$(date '+%F %T')] ROTATE: no logic backups to remove (<=7 days)" >> "$LOGFILE"
+  fi
+
+  echo " " >> "$LOGFILE"
+
+) 9>"$LOCKFILE"