Hi,
I would like to regularly, automatically backup my system SD-card on OMV 4.1.15 on RPi2. Clonezilla does not exist for ARM, omv-backup is a pain to recover in case of error, so I wrote my own. I'm planning to use the following commands in a weekly cron job. Will this do the job?
Code
# cd to backup directory
cd /srv/dev-disk-by-label-Backup/omvbackup
# save previous backup
mv -f imgfile.img imgfile.img.1
# write system drive to img
dd if=/dev/mmcblk0 of=imgfile.img bs=1M
# shrink img with pishrink
# https://raw.githubusercontent.com/Drewsif/PiShrink/master/pishrink.sh
pishrink.sh imgfile.img
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