Damit es nicht vergessen geht. Falsch gemachtes Zimbra Updgrade zusammen mit LTS Upgrade.
Siehe auch https://news.numlock.ch/linux/how-to-upgrade-zimbrazcs-8-8-ga-from-ubuntu-14-04-lts-to-16-04-lts
Zimbra Pakete deinstallieren:
dpkg --get-selections | grep zimbra | awk '{ print $1 }' | xargs apt-get -y remove
Sparse Files:
http://www.gnu.org/software/tar/manual/html_node/sparse.html
Fix LDAP Sparse File:
https://forums.zimbra.org/viewtopic.php?t=60522
How to upgrade with Ubuntu dist-upgrade:
How to upgrade Zimbra/ZCS 8.8 GA from Ubuntu 14.04 LTS to 16.04 LTS
KVM Snapshots
http://www.tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html
https://www.thegoldfish.org/2011/09/reverting-to-a-previous-snapshot-using-linux-lvm/