Date: Thu, 3 Mar 2011 13:01:30 +0100 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org, Pawel Jakub Dawidek <pjd@FreeBSD.org> Subject: Re: HEADS UP: ZFSv28 is in! Message-ID: <20110303130130.29a066a1@r500.local> In-Reply-To: <20110228214847.0000078c@unknown> References: <20110227202957.GD1992@garage.freebsd.pl> <20110228192129.119cac0c@r500.local> <20110228214847.0000078c@unknown>
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[-- Attachment #1 --] Alexander Leidinger <Alexander@Leidinger.net> wrote: > On Mon, 28 Feb 2011 19:21:29 +0100 Fabian Keil > <freebsd-listen@fabiankeil.de> wrote: > > > Pawel Jakub Dawidek <pjd@FreeBSD.org> wrote: > > > > > I just committed ZFSv28 to HEAD. > > > > I updated the system without removing the tuning for ZFSv15 > > first, and somehow this completely messed up the performance. > > Booting the system took more than ten minutes and even once > > it was up it was next to unresponsive. > > > > I'm not sure which sysctl was to blame, but after removing > > all but vfs.zfs.arc_max="800M" and rebooting, the problem > > was gone. > > When you add the tuning back, does it take minutes again to boot? If > not, I assume it was cleaning up some leftovers the old version was not > able to cleanup. I haven't tried that yet, but as I didn't upgrade the system's storage pool I don't think ZFS is supposed to do any such clean-ups. I also don't see any similar issues when importing other v15 pools. Fabian [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iEYEARECAAYFAk1vgx4ACgkQBYqIVf93VJ2xRACggaiNusIyN5wOVSj1J4vIu+8R RwoAoMtO/24s2dJxEjujCEYDr9VxdA7G =89QC -----END PGP SIGNATURE-----help
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