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It depends how the vendor presents and handles it. I'm not aware how RS promises look.

However, for example, the hetzner cloud has an explicit choice between triple-redundant ceph-based storage for VMs, or hypervisor local SSD storage. That's good and explicit. I can make an informed choice about speed or durability.




> triple-redundant ceph-based storage

Just to point out, that's still not a backup system. That's only one software bug (in your systems or theirs) away from having no working current data set. ;)


Yes, I did not mean to imply it is a backup. You still need backups. However, that redundant storage takes care of .. well redundancy, if you need it. Storage with zero redundancy on the drive or the service level (think of ES) is stressful to say the least.




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