Hi, I'm trying to get a status from zfs on where the free space in my zfs 
filesystem is. Its a RAIDZ2 pool on 4 x 320GB HDD. I have several snapshots and 
I've just deleted rougly 150GB worth of data I didn't need from the current 
filesystem. The non-snapshot data now only takes up 156GB but I can't see where 
the rest is in the snapshots.

The USED for the main filesystem (storage/freddofrog) shows 357G and I would 
expect the deleted 150G or so of data to show up in the snapshots below, but it 
doesn't. A du -c -h on /storage/freddofrog shows 152G used, about the same as 
the REFER for storage/freddofrog below

So how can I tell where the space is being used (which snapshots)?

[EMAIL PROTECTED]:~$ zfs list
NAME                                 USED  AVAIL  REFER
storage                              357G   227G  28.4K
[EMAIL PROTECTED]                     0      -  28.4K  
[EMAIL PROTECTED]             0      -  28.4K  
storage/freddofrog                       357G   227G   151G
storage/[EMAIL PROTECTED]   4.26G      -   187G  
storage/[EMAIL PROTECTED]             61.1M      -   206G  
storage/[EMAIL PROTECTED]              773M      -   201G  
storage/[EMAIL PROTECTED]             33.2M      -   192G  
storage/[EMAIL PROTECTED]           62.6M      -   212G  
storage/[EMAIL PROTECTED]             5.29G      -   217G
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