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Date:      Fri, 30 Mar 2012 17:49:16 +0300
From:      Volodymyr Kostyrko <c.kworr@gmail.com>
To:        freebsd-fs@freebsd.org
Subject:   ZFS v28 and free space leakage
Message-ID:  <4F75C7EC.30606@gmail.com>

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Hi all.

Maybe I'm missing something, but when I delete all data from the disk 
how much space should empty disk occupy?

kohrah1   136G  22,6M   136G     0%  1.00x  ONLINE  -

I.e. I have 22 hidden megs. Scrub doesn't touch them. There were no 
snapshots. Disk was deduped in the past. Server hit core dump several 
times when running bonnie++ over deduped ZFS.

If I create a snapshot and dump it down it would be 50 Kb file.

-- 
Sphinx of black quartz judge my vow.



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