Correción umount

btrfs/snapshot-locales/init.sh

@@ -1,28 +1,23 @@
 #!/bin/bash
 
-set -e
+set -euo pipefail
 
 # Declarar varables
 dir_disk=("/dev/nvme0n1p3" "/dev/bcache0")
 
 dir_temp=("/tmp/root" "/tmp/srv")
 
-dir_create="/tmp/{root,srv}"
-
 name_snapshot=$(date +"%m%d%Y")
 
-
-
-# Crear ruta
-mkdir -p "$dir_create"
-
 #Montar rutas
 
 for i in "${!dir_disk[@]}"; do
     disk_origen="${dir_disk[$i]}"
     dir_backup="${dir_temp[$i]}"
     dir_snapshot="$dir_backup/snapshot/daily"
-    #Montar rutas
+
+    # Crear directrio y montar disco
+    mkdir -p "$dir_backup"
     mount "$disk_origen" "$dir_backup"
 
     # Verificar que existan rutas, caso contrario crearlas
@@ -41,21 +36,16 @@ for i in "${!dir_disk[@]}"; do
 
     total=${#snapshots[@]}
 
-    if (( total <= 3 )); then
+    if (( total > 3 )); then
-        echo "Hay $total snapshots, no se elimina nada"
-        continue
-    fi
-
-    # cuantos borrar
         borrar=$(( total - 3 ))
-
         for (( contador=0; contador<borrar; contador++ )); do
             echo "Eliminando snapshot: ${snapshots[$contador]}"
             btrfs subvolume delete "$dir_snapshot/${snapshots[$contador]}"
         done
+    fi
 
     #Desmontar la ruta
     umount "$dir_backup"
     mount | grep btrfs | grep "$dir_backup" || echo "Se desmonto $dir_backup"
-
+    rmdir "$dir_backup"
 done

btrfs/snapshot-locales/install.md

@@ -150,3 +150,4 @@ sudo systemctl status btrfs-backup.service
 ```
 sudo btrfs subvolume show /ruta/deseada/
 ```
+4