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Support written property for avoiding needless snapshots #30

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bdrewery opened this issue Sep 11, 2015 · 1 comment
Open

Support written property for avoiding needless snapshots #30

bdrewery opened this issue Sep 11, 2015 · 1 comment

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@bdrewery
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https://www.illumos.org/issues/1645
@bdrewery
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This is tricky. Checking dataset:written would work as long as there's no manual snapshots. Any manual snapshots would make the assumption of trusting written > 0 wrong. It would need to check the written property on the last snapshot created by itself. This could result in a used == 0 case that ends up getting deleted though.

@bdrewery bdrewery mentioned this issue Sep 14, 2015
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