Strange problem ZFS space disappearing?!

[jamiejunk]

Another frequently seen paradigm (this is pretty fancy---you might do this if you have some mission-critical stuff and a bunch of users who are dumb), is this sort of layered schedule:

Hourly snapshots for the past day, kept for a day, plus:
Daily snapshots (1 per day) for the past week, kept for a week, plus:
Weekly snapshots (1 per week) for the past month (or two), kept for a month (or two), plus
Monthly snapshots (1 per month) for the past half year, kept for a half-year.

But for the average home user? Meh. A week's worth of daily snapshots. usually does the trick. Remember, it's not backups, it's an "in case I screw up" reverter.

If i'm not mistaken there isn't a way to do snapshots like this in the freenas gui. I'd love to be proven wrong though :)

 

[Ericloewe]

If i'm not mistaken there isn't a way to do snapshots like this in the freenas gui. I'd love to be proven wrong though :)

I think you can, the only limitation being that Shadow Copies on Windows will only work with one of the rules (ignoring all other snapshots).

 

[Knowltey]

I think you can, the only limitation being that Shadow Copies on Windows will only work with one of the rules (ignoring all other snapshots).

Yep, with that just make sure that you create the schedule that you want Windows to recognize as the first one (probably whatever your longest one is)


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