How to backup mon-data?

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Hello,

I?m running a 3 node cluster with 2 hdd/osd and one mon on each node.
Sadly the fsyncs done by mon-processes eat my hdd.

I was able to disable this impact by moving the mon-data-dir to ramfs.
This should work until at least 2 nodes are running, but I want to implement some kind of disaster recover.

What?s the correct way to backup mon-data - if there is any?

Thanks,

Fabian

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