Re: [List] Cannot find out what uses space in ZFS dataset

From: Andrea Venturoli <ml_at_netfence.it>
Date: Fri, 19 Sep 2025 07:23:06 UTC
On 9/19/25 02:53, David Christensen wrote:

> Please post the console session.



> # cd /tmp/
> zfs snap zroot/ROOT/default@dump
> zfs send -v -p zroot/ROOT/default@dump>a
> full send of zroot/ROOT/default@dump estimated size is 96.8G
> total estimated size is 96.8G
> TIME        SENT   SNAPSHOT zroot/ROOT/default@dump
> 08:45:27    114M   zroot/ROOT/default@dump
> 08:45:28    180M   zroot/ROOT/default@dump
> 08:45:29    298M   zroot/ROOT/default@dump
> 08:45:30    459M   zroot/ROOT/default@dump
 > ...> 09:09:27   96.8G   zroot/ROOT/default@dump
> 09:09:28   96.9G   zroot/ROOT/default@dump
> 09:09:29   96.9G   zroot/ROOT/default@dump
> 09:09:30   96.9G   zroot/ROOT/default@dump
> # 






> My guess is that you destroyed the 
> snapshot in the dataset "zroot/ROOT/default", but that you did not 
> destroy the snapshots in the child datasets.

Again, I'm not "zfs send"ing child datasets (I'm not using "-R").



  bye & Thanks
	av.