How to backup OMV and/or VM's

    Hi,
    What are some common methods for data backup for OMV and VM backup ?

    I don't know how VM snapshots work or where they should stored ? Is this considered a backup copy that should be stored elsewhere ?

    Is external drive or cloud storage best for either OMV data and/or VM snapshots ?
    And what method is used to copy/sync the data ? Manually making copies or snaps or should there be some sort of time machine backup installed ? What size backup is needed ?

    Please advise.
    Thanks

    I do my backups very conservative. But since it is data I want to keep, I invest some effort into it, otherwise I would delete. Also re-building a system to be working fully again is quite time consuming and grey-hair-generating, I prefer to go the easy way of backups while everything is working.


    For OMV, I use clonezilla to make a full disk image, this is also copied to another PC as well as to two offline-disks, which are only plugged in for reasons to copy backups onto them.


    The qcow2-images of my shutdown virtual machines I copy with "cp" via shell to a second disk on my NAS, and again to another PC as well as to two offline-disks, which are only plugged in for reasons to copy backups onto them.

    Also the xml-files extracted with "virsh" for easier recovery.


    So far, I am happy without data loss.

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