Thomas Schmitt [2021-07-21 19:00:48] wrote:
> James H. H. Lampert wrote:
>> "Immutable backups." Interesting concept. But how? Optical media?
> Yes. BD-R single layer are affordable and can take 25 GB each. With some
> compression you can put the whole operating system and the most important
> user data onto a single medium.
Plain old HDDs and SSDs also work for "immutable" backups: just don't
keep them connected to the host after you've done the backup.
E.g. keep a handful of external SSDs to which you backup "in rotation".
Stefan
