One file per server option not available for backups

SYSTEM INFORMATION
OS type and version Ubuntu Linux 24.04.1
Usermin version 2.102
Virtualmin version 7.20.2 Pro
Theme version 21.20.7
Apache version 2.4.58
Package updates 2 package updates are available

Under Virtualmin > Backup & Restore > Backup Virtual Servers > Destination & Format I accidentally clicked the helper on Backup format which mentions three options but I only see two:

Where’s this One file per server, in new format? Is it a bug or do I need to enable something somewhere?

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In the screenshot that you have posted, I see two radio buttons: single archive file and one file per server. I do not see three options in Backup Format.

The helper tooltip describes each adequately.

I normally use the one file per server option. It creates a single archive file which contains everything that the backup of a virtual server has: files, mail, database and misc other stuff.

There is no confusion.

Look again.

Three options:

  1. Single archive file
  2. One file per server
  3. One file per server, in new format

The latter is not given as an option to me.

Because a download link can only ever be one file. (That probably doesn’t have to be so, but it’s never come up, AFAIK, it’s just not a common thing folks are using regularly. Implementation would be a a lot more code than it currently needs.)

If you want multiple separate files in a downloadable link, you’ll need to go one domain at a time.

But realistically, just don’t do that. Use one of the destination options. Put it in the cloud, or on a remote server via scp or whatever. For production use, you can’t be logging in every week and making a bunch of backups manually and downloading them. That’s not a sustainable backup practice.

It’s reasonable for a small system, but if you’ve got big backups, you’re going to have a lot of pain manually downloading them all the time.

What is the difference between these 2 options?

I don’t see

  • One file per server, in new format
    as a choice.

Read the help text when you hover over it. There’s a third option which apparently provides a backup file in a “new” format. I’m just being curious why it doesn’t show up for me.

I have my automated backup practise. Not doing it manually. However, I’m curious as to why the third option doesn’t show up in my set-up. Is there a specific reason to it?

The final option is recommended, as it allowed individual virtual servers to be more easily restored, and saves on temporary disk space during the backup.

It doesn’t show for me either.

So? I think as explained above “no one has needed it” (or noticed it before) perhaps a better solution would be to remove the irrelevant help unless it is a future implementation.

I think it is being implimented
This is in the release notes for the upcoming Virtualmin 7.30.0 release

Fix support for zstd compression in backups

zstd has nothing to do with the option you were talking about above.