From owner-freebsd-current@FreeBSD.ORG Fri Oct 18 08:01:59 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 17548AC3; Fri, 18 Oct 2013 08:01:59 +0000 (UTC) (envelope-from satan@ukr.net) Received: from hell.ukr.net (hell.ukr.net [212.42.67.68]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id C14C228C5; Fri, 18 Oct 2013 08:01:58 +0000 (UTC) Received: from satan by hell.ukr.net with local ID 1VX50G-000JmC-Vx ; Fri, 18 Oct 2013 11:01:49 +0300 Date: Fri, 18 Oct 2013 11:01:48 +0300 From: Vitalij Satanivskij To: Steven Hartland Subject: Re: ZFS secondarycache on SSD problem on r255173 Message-ID: <20131018080148.GA75226@hell.ukr.net> References: <4AA28730F331444AB13108ABF0CD68B7@multiplay.co.uk> <1379496242.750778745.m0ksff1m@fmst-6.ukr.net> <20131016080100.GA27758@hell.ukr.net> <3A44A8F6-8B62-4A23-819D-B91A3E6E5EF9@freebsd.org> <7059AA6DCC0D46B8B1D33FC883C31643@multiplay.co.uk> <20131017061248.GA15980@hell.ukr.net> <326B470C65A04BC4BC83E118185B935F@multiplay.co.uk> <20131017073925.GA34958@hell.ukr.net> <2AFE1CBD9B124E3AB9E05A4E483CCE03@multiplay.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2AFE1CBD9B124E3AB9E05A4E483CCE03@multiplay.co.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: satan@ukr.net, "Justin T. Gibbs" , freebsd-current@freebsd.org, Borja Marcos , Dmitriy Makarov X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Oct 2013 08:01:59 -0000 Hello. Yesterday system was rebooted with vfs.zfs.trim.enabled=0 System version 10.0-BETA1 FreeBSD 10.0-BETA1 #6 r256669, without any changes in code Uptime 10:51 up 16:41 sysctl vfs.zfs.trim.enabled vfs.zfs.trim.enabled: 0 Around 2 hours ago errors counter's kstat.zfs.misc.arcstats.l2_cksum_bad: 854359 kstat.zfs.misc.arcstats.l2_io_error: 38254 begin grow from zero values. After remove cache 2013-10-18.10:37:10 zpool remove disk1 gpt/cache0 gpt/cache1 gpt/cache2 and attach again 2013-10-18.10:38:28 zpool add disk1 cache gpt/cache0 gpt/cache1 gpt/cache2 counters stop growing (of couse thay not zeroed) before cache remove kstat.zfs.misc.arcstats.l2_asize was around 280GB hw size of l2 cache is 3x164G => 34 351651821 ada3 GPT (168G) 34 6 - free - (3.0K) 40 8388608 1 zil2 (4.0G) 8388648 343263200 2 cache2 (164G) 351651848 7 - free - (3.5K) Any hypothesis what alse we can test/try etc? Steven Hartland wrote: SH> Correct. SH> ----- Original Message ----- SH> From: "Vitalij Satanivskij" SH> SH> SH> > Just to be sure I understand you clearly, I need to test next configuration: SH> > SH> > 1) System with ashift patch eg. just latest stable/10 revision SH> > 2) vfs.zfs.trim.enabled=0 in /boot/loader.conf SH> > SH> > So realy only diferens in default system configuration is disabled trim functional ? SH> > SH> > SH> > SH> > Steven Hartland wrote: SH> > SH> Still worth testing with the problem version installed but SH> > SH> with trim disabled to see if that clears the issues, if SH> > SH> nothing else it will confirm / deny if trim is involved. SH> SH> SH> ================================================ SH> This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. SH> SH> In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 SH> or return the E.mail to postmaster@multiplay.co.uk. SH> SH> _______________________________________________ SH> freebsd-current@freebsd.org mailing list SH> http://lists.freebsd.org/mailman/listinfo/freebsd-current SH> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"