Zfs pool near to full till deleting some Virtual machines

[openaspace]

Helloo
I have a zfs pool near to full at 97% usage of 4tb.

I have deleted some Virtual machines near to 500gb, but no new free space appear... Also adding new files the free space continue to reduce..

What I can do?

 

[aaron]

Can you post the output of the following commands inside [code][/code] tags?

zfs list -o name,used,avail,refer,refreservation,volsize
zpool list -v