From owner-freebsd-current@FreeBSD.ORG Tue Oct 22 12:26:37 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 1080CB76; Tue, 22 Oct 2013 12:26:37 +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 BFA642713; Tue, 22 Oct 2013 12:26:36 +0000 (UTC) Received: from satan by hell.ukr.net with local ID 1VYb2f-0002Hy-EH ; Tue, 22 Oct 2013 15:26:33 +0300 Date: Tue, 22 Oct 2013 15:26:33 +0300 From: Vitalij Satanivskij To: Vitalij Satanivskij Subject: Re: ZFS secondarycache on SSD problem on r255173 Message-ID: <20131022122633.GA8718@hell.ukr.net> References: <2AFE1CBD9B124E3AB9E05A4E483CCE03@multiplay.co.uk> <20131018080148.GA75226@hell.ukr.net> <256B2E5A0BA44DCBB45BB3F3E820E190@multiplay.co.uk> <20131018144524.GA30018@hell.ukr.net> <4459A6FAB7B8445C97CCB9EFF34FD4F0@multiplay.co.uk> <20131019085547.GA33582@hell.ukr.net> <6917E0AC86C444EFB3B55750175BADED@multiplay.co.uk> <20131021123212.GA11886@hell.ukr.net> <73D8549BA8BE4920A1E67DC88E449E1B@multiplay.co.uk> <20131021125133.GA13109@hell.ukr.net> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20131021125133.GA13109@hell.ukr.net> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: Dmitriy Makarov , "Justin T. Gibbs" , Steven Hartland , Borja Marcos , freebsd-current@freebsd.org 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: Tue, 22 Oct 2013 12:26:37 -0000 خي, just up to now no error on l2arc L2 ARC Summary: (HEALTHY) Passed Headroom: 1.99m Tried Lock Failures: 144.53m IO In Progress: 130.15k Low Memory Aborts: 7 Free on Write: 335.56k Writes While Full: 30.31k R/W Clashes: 115.31k Bad Checksums: 0 IO Errors: 0 SPA Mismatch: 153.15m L2 ARC Size: (Adaptive) 433.75 GiB Header Size: 0.49% 2.12 GiB I will test for longer time, but looks like problem gone. Vitalij Satanivskij wrote: VS> Steven Hartland wrote: VS> SH> So previously you only started seeing l2 errors after there was VS> SH> a significant amount of data in l2arc? Thats interesting in itself VS> SH> if thats the case. VS> VS> Yes someting arround 200+gb VS> VS> SH> I wonder if its the type of data, or something similar. Do you VS> SH> run compression on any of your volumes? VS> SH> zfs get compression VS> VS> Just now testing goes on next configuration VS> VS> first zfs is top level pool calling disk1 have enable lz4 compression and secondarycache = metadata VS> VS> next zfs is disk1/data with compression=off and secondarycache = all VS> VS> Error was seen on confiruration like that and on configuration where was seted as secondarycache = none for disk1 (disk1/data still fully cached) VS> VS> VS> VS> VS> SH> Regards VS> SH> Steve VS> SH> ----- Original Message ----- VS> SH> From: "Vitalij Satanivskij" VS> SH> VS> SH> VS> SH> > VS> SH> > Just now I cannot say, as to triger problem we need at last 200+gb size on l2arc wich usually grow in one production day. VS> SH> > VS> SH> > But for some reason today in the morning server was rebooted so cache was flushed and now only 100Gb. VS> SH> > VS> SH> > Need to wait some more time. VS> SH> > VS> SH> > At last for now none error on l2. VS> SH> VS> SH> VS> SH> ================================================ VS> 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. VS> SH> VS> SH> In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 VS> SH> or return the E.mail to postmaster@multiplay.co.uk. VS> SH> VS> SH> _______________________________________________ VS> SH> freebsd-current@freebsd.org mailing list VS> SH> http://lists.freebsd.org/mailman/listinfo/freebsd-current VS> SH> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" VS> _______________________________________________ VS> freebsd-current@freebsd.org mailing list VS> http://lists.freebsd.org/mailman/listinfo/freebsd-current VS> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"