On 3/26/22 08:03, Kenneth Porter wrote:
I'm adding a second external drive to my rotation so I can
keep one off-site in case of disaster.
How do people handle this? What do your systemd
mount/automount unit files look like? Do you use a single
drive label so a single systemd unit works to mount any
backup drive to the same mount point?
I use a common drive label for the four disks I rotate. I
recommend auto mount so that if your machine should restart
for any reason the disk will remount protecting the local
drive from running out of space. I manually stop and start
the backuppc.service and then have a couple scripts, one to
umount the drive and another to remount. I set this up a
long time ago under version 3 and I think it is more
complicated than is necessary now in version 4. At the time
it was recommended in a guide I was using not to directly
mount an external drive to /var/lib/backuppc but instead to
mount the external drive elsewhere on the system and then
bind mount that location to /var/lib/backuppc. So my fstab
entry looks like this for that condition:
/LABEL=/backupdisk /data/backup auto
defaults 0 0
/data/backup/BackupPC /var/lib/BackupPC non
bind 0 0
/This is the script ( bupcdiskinit ) to mount the disk:
/#!/bin/bash
# USB backup disk initialization file
mount /data/backup
if [ ! -d /data/backup/BackupPC ];then
mkdir /data/backup/BackupPC
cd /data/backup/BackupPC
mkdir cpool pool pc
cd ..
chown -R backuppc.backuppc BackupPC
cd /
else
echo "BackupPC exists"
fi
wait=1
mount /var/lib/BackupPC
# end of script
######################################
/This script (umbudisk ) unmounts:
/#!/bin/bash
# USB backup disk unmount
umount /var/lib/BackupPC
umount /data/backup
# end of script
/########################
I'm sure that you can simplify this by removing the double
mount.
////
--
Jim Kelly-Rand
j...@kjkelra.com
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