Save FreeNAS configuration file

#!/bin/bash

# Copies the FreeNAS settings file to a destination you specify, using a
# filenaming scheme concatenating the hostname, FreeNAS version, and
# current date. Strips any parentheses and replaces any spaces in the
# resulting filename with '-' characters. Removes prior settings files
# 90 days old or older after copying the current settings.

# Tested with versions 9.3.x and 9.10. You must modify the DEST_DIR
# variable below to match your desired copy destination.

# The source FreeNAS configuration database file:

SRC_FILE="/data/freenas-v1.db"

# Form the destination filename - edit DEST_DIR here:

DEST_DIR="/mnt/tank/sysadmin/config"
DEST_HOST=$(hostname -s)
DEST_VERSION=$(cat /etc/version | sed -e 's/ /-/' | sed -e 's/(//' | sed -e 's/)//')
DEST_DATE=$(date +%Y%m%d%H%M%S)
DEST_FILE="$DEST_HOST"-"$DEST_VERSION"-"$DEST_DATE".db

echo "Backup configuration database file: $DEST_FILE"

# Copy the source to the destination:

cp "$SRC_FILE" "$DEST_DIR"/"$DEST_FILE"

# Remove prior versions in the destination directory that are 90 days old or older:

$(find "$DEST_DIR" -mtime +90 -name "*.db" -exec bash -c 'rm {}' \;)