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Backup: use only 2 repositories per disk

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It appears to be safe enough to have just a few repositories (2 per
disk, 4 at total) to avoid backup corruption and it will increase a lot
the disk space management and how long I will be able to keep my
backups.
This commit is contained in:
Bruno F. Fontes 2021-03-25 11:27:28 -03:00
parent 6cc4e48d65
commit 790e5f0d9b
Signed by: brunofontes
GPG Key ID: EE3447CE80048495
1 changed files with 15 additions and 27 deletions
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42
Backup/.Backup_HD.sh
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@ -5,7 +5,6 @@ function backup () {
#--stats = show stats at end
#--progress = show each file being processed
nice -n 19 borg create --compression auto,zstd,9 --exclude-from=./exclude $*
checkBackup "$1"
}
function checkBackup() {
@ -20,24 +19,12 @@ function checkBackup() {
echo
}
function verifyBackup() {
# Verify all data - takes long time
echo -n "`date +%r`- Checking the backup..."
borg check --verify-data "$1" > "$1"_status
if [[ $(cat "$1"_status) != "" ]]; then
echo -e "\n\033[1;31m ERROR UNPACKING $1 \033[0m"
else
echo ".OK!"
rm "$1"_status
fi
echo
}
function pruneBackup() {
echo -e "\e[97m`date +%r` - Prune old backups...\e[39m"
borg prune -v --list --dry-run --keep-within=1m --keep-monthly=3
borg prune -v --list --dry-run --keep-weekly=8 --keep-monthly=12 --keep-yearly=3 $1
}
cd /home/bruno/Apps/linuxShortcuts/Backup/
LastDisk=$(< .lastDisk)
@ -47,11 +34,18 @@ else
ActiveDisk=1
fi
LastBackupSet=$(< .lastBackupSetDisk_$lastDisk)
if [ "$LastBackupSet" = '1' ]; then
ActiveBackupSet=2
else
ActiveBackupSet=1
fi
YEAR=`date +%Y`
HDPath="/run/media/bruno/Backup_$ActiveDisk"
BACKUPPATH="$HDPath/`date +%Y-Q%q`"
YEARMONTH=`date +%m_%b-%d`
BACKUPPATH="$HDPath/Repository_$ActiveBackupSet"
YEARMONTH=`date +%Y-%m-%d`
HDYEARMONTH="$BACKUPPATH::$YEARMONTH"
echo
@ -82,15 +76,8 @@ if [ ! -d "$BACKUPPATH" ]; then
mkdir -p "$BACKUPPATH"
borg init --encryption=none $BACKUPPATH
#If diskSpace less than ~100GB...
diskSpace=$(df --local --output=avail,target | grep "$HDPath\$" | awk '{ print $1}')
if [[ "$diskSpace" < 100000000 ]]; then
# delete oldest backup folder
oldestFolder=$(/bin/ls -dt "$HDPath"/????-Q? | tail -n 1)
echo
echo "$HDPath/$oldestFolder"
rm --recursive --interactive=once "$HDPath/$oldestFolder"
fi
#Prune old backups
pruneBackup $BACKUPPATH
fi
echo -e "\e[97m`date +%r` - Copying Linux Home folder (1/7)...\e[39m"
@ -109,7 +96,7 @@ backup "$HDYEARMONTH-Multimedia-MyDocuments" "/run/media/bruno/Multimedia/MyDocu
echo -e "\e[97m`date +%r` - Copying Música folder (4/7)...\e[39m"
backup "$HDYEARMONTH-Multimedia-musica" "/run/media/bruno/Multimedia/Música/" || echo ""
verifyBackup "$BACKUPPATH"
checkBackup "$BACKUPPATH"
# Rsync Fotos e VMs
echo -e "\e[97m`date +%r` - Copying Fotos folder (5/7)...\e[39m"
@ -125,6 +112,7 @@ nice -n 19 rsync -a "/run/media/bruno/Multimedia/Virtual Machines" "$HDPath/$YEA
echo -e "\e[97m`date +%r` - Backup finished. Please, verify your log files.\e[39m"
echo "$ActiveDisk" > .lastDisk
echo "$ActiveBackupSet" > ".lastBackupSetDisk_$lastDisk"
kdialog --title "Backup Complete" --msgbox "Backup finished successfully"
echo