commit 30a5e12dfe12728c1dd7b7eb455dd23919fe7305 · treybastian.com/scripts

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daily-snapshot.sh

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       #!/bin/bash

     

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       #

     

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       # This script will gzip /mnt/backup/live/ 

     

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       # This script assumes /mnt/backup/snapshots/ is where we want to store archives 

     

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       # This script will only keep 7 days worth of archives

     

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       #   -- if you want to change this just change `MAX_BACKUPS` 

     

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       #

     

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       # My personal setup:

     

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       #   -- has this running daily with cron at 00:30z

     

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       #   -- mounts /mnt/backup to it's own specific NFS share configured for the host

     

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       # 

     

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       MAX_BACKUPS=7

     

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       tar -czf "/mnt/backup/snapshots/gwaine.snapshot.`date + "%FT%H%M%S"`.tar.gz" -C /mnt/backup/live .

     

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       COUNT=$(ls -1 /mnt/backup/snapshots/*.tar.gz 2>/dev/null | wc -l)

     

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       if [ "$COUNT" -gt $MAX_BACKUPS]; then

     

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         # why not just delete the oldest file only Trey???

     

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         # well I'll tell you why! If I want to change MAX_BACKUPS from 7 to 3

     

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         # I'll have a whole bunch of extra archives I don't want to keep

     

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         EXTRA=$((COUNT - MAX_BACKUPS))

     

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         ls -1T /mnt/backup/snapshots/*.tar.gz | tail -n "$EXTRA" | xargs rm -f

     

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       fi

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hourly-backup.sh

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       #!/bin/bash

     

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       #

     

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       # This script will rsync the entire filesystem to /mnt/backup/live/ 

     

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       # This script assumes /mnt/backup/live/ is where we want to backup files

     

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       #

     

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       # My personal setup:

     

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       #   -- has this running hourly with cron

     

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       #   -- mounts /mnt/backup to it's own specific NFS share configured for the host

     

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       # 

     

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       # !! WARNING SLOW FIRST RUN !!

     

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       # the first run will be slow so run this first before setting up the hourly job

     

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       rsync -a /* /mnt/backup/live/ --delete