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Feature #996

open

RFE: ZFS dataset option to prevent recursive snapshots from snapshooting this dataset

Added by Jim Klimov about 11 years ago. Updated over 9 years ago.

Status:
Feedback
Priority:
Normal
Assignee:
-
Category:
-
Start date:
2011-05-06
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage
Gerrit CR:

Description

This requested feature as I see it is targeted towards recursive snapshooting of "rpool" but exempting "rpool/dump" and "rpool/swap" volumes.

As it happens now, a recursive snapshot of "rpool" also creates snapshots of these two volumes. This reserves lots of space from rpool (to be able to overwrite the volumes' existing data) and generally those blocks are not useful at all.

If a user of such ZFS option wants to explicitly snapshot his swap or dump volume, he can do it by explicitly commanding "zfs snapshot rpool/dump@today".

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