On Fri, Jan 22, 2016 at 6:32 PM, arnaud gaboury <arnaud.gaboury@xxxxxxxxx> wrote: > I want to timer a simple backup of part of my system with rsync. The > partition I want to use for backup is on an external USB drive. > > For safety reasons (avoid any accidental erase), I want the partition > be mounted only for the time of the rsync, then be umounted > > Here is my setup: > > /etc/fstab > ----------------- > UUID=868560c1-ab69-423f-b76d-b8ea5af1b066 /mnt/backup > ext2 noauto,x-systemd.automount,x-systemd.device-timeout=5,x-systemd.idle-timeout=60 > 0 2 > ----------------------- > > /etc/systemd/system/backup-external.service > ---------------------------------------------------- > [Unit] > Description=Backup system to external drive > Requires=mnt-backup.mount > After=mnt-backup.mount > > [Service] > Type=oneshot > ExecStart=/usr/bin/rsync -av --delete --exclude-from > /etc/conf.d/exclude-hortensia / /mnt/backup/hortensia > ExecStartPost=/usr/bin/umount /mnt/backup > ------------------------------------------------------------------------- > > > /etc/systemd/system/backup-external.timer > ------------------------------------------ > [Unit] > Description=Start external-backup service periodically > > [Timer] > OnCalendar=Mon *-*-* 00:00:00 > Persistent=True > > [Install] > WantedBy=timers.target > --------------------------------------------------- > > $ ls /run/systemd/generator > ..... > mnt-backup.automount > mnt-backup.mount > --------------------------------- > > The setup works BUT in fact /mnt/backup/hortensia is always mounted, > even after boot, and I want to avoid it.(maybe because it is USB and > autmounted like any USB device?) > > What surprised me is if I run: > # umount /mnt/backup > > I come back to command with no text BUT > /dev/dev/mapper/vg1-backup_hortensia (my backup partition) is still > mounted. Furthermore, I can mount/umount it elsewhere (mnt/toto for > example). > > I can't see what is wrong and how can I achieve my goal. EDIT: one obvious solution would be to NOT mount the partition at boot, and include a mount command in my service file. But I would like to use the .mount/.automount systemd features. > > Thank you for help > > > -- > > google.com/+arnaudgabourygabx -- google.com/+arnaudgabourygabx
