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Date: Fri, 6 Oct 2017 14:02:03 +1100
From: Richard Perini <rpp@ci.com.au>
To: FreeBSD Filesystems <freebsd-fs@freebsd.org>
Cc: javocado <javocado@gmail.com>
Subject: Re: lockup during zfs destroy
Message-ID: <20171006030203.GA30590@jodi.ci.com.au>
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On Wed, Oct 04, 2017 at 10:28:27PM -0700, Freddie Cash wrote:
> On Oct 4, 2017 10:13 PM, "javocado" <javocado@gmail.com> wrote:
> 
> Setting vfs.zfs.free_max_blocks to 20k has not helped unfortunately.
> 
> 
> No, that won't help with this issue as the destroy operation is already in
> progress and part of a transaction group. But it will mitigate or
> (hopefully) prevent this issue in the future.

A bit of a long shot as there's no mention of the FreeBSD version involoved,
but we had somewhat similar symptoms caused by bug: 

	https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222288

Cheers,

--
Richard Perini  
Ramico Australia Pty Ltd   Sydney, Australia   rpp@ci.com.au  +61 2 9552 5500
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