From owner-freebsd-fs@FreeBSD.ORG  Wed Sep  8 15:36:21 2010
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Date: Wed, 8 Sep 2010 17:36:02 +0200
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Sergey Zaharchenko <doublef-ctm@yandex.ru>
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Cc: freebsd-fs@freebsd.org
Subject: Re: 8.1-RELEASE ZFS hangs
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On Wed, Sep 08, 2010 at 02:33:38PM +0400, Sergey Zaharchenko wrote:
> real memory  =3D 8589934592 (8192 MB)
> avail memory =3D 8259899392 (7877 MB)
[...]
> /bot/loader.conf has:
>=20
> mac_bsdextended_load=3D"YES"
> vfs.zfs.zil_disable=3D1
> vfs.zfs.prefetch_disable=3D1

No vm.kmem_size? Try adding:

vm.kmem_size=3D"8G"

And try leaving ZIL and prefetch alone (eventually turn prefetch off,
but keep ZIL on).

--=20
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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