From owner-freebsd-stable@FreeBSD.ORG Wed Oct 9 14:47:47 2013 Return-Path: Delivered-To: freebsd-stable@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 848EF728 for ; Wed, 9 Oct 2013 14:47:47 +0000 (UTC) (envelope-from prvs=1994e5d1ea=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 20E842C79 for ; Wed, 9 Oct 2013 14:47:46 +0000 (UTC) Received: from r2d2 ([82.69.141.170]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50006340110.msg for ; Wed, 09 Oct 2013 15:47:37 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Wed, 09 Oct 2013 15:47:37 +0100 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDRemoteIP: 82.69.141.170 X-Return-Path: prvs=1994e5d1ea=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-stable@freebsd.org Message-ID: From: "Steven Hartland" To: , "Pete French" References: Subject: Re: hast and zfs trim possibly causing some problems in 9.2 Date: Wed, 9 Oct 2013 15:47:29 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Oct 2013 14:47:47 -0000 ZFS will try to send DELETE requests to the underlying storage to support TRIM. If that fails then it will disable TRIM support for that vdev. My guess would be you're just seeing hast being a bit verbose when these initial batch failures happen. Regards Steve ----- Original Message ----- From: "Pete French" To: Sent: Wednesday, October 09, 2013 3:25 PM Subject: hast and zfs trim possibly causing some problems in 9.2 >I just had a machine fall over on my for the first time in ages - one > of a pair of machine we have running hast with zfs on top. I havent > got any concrete evidence of what made it die as yet, but I > did notice the logifles filling up with thoursands of lines like this > just prior to the crash: > > serpentine-active hastd[1522]: [serp1] (primary) Remote request failed (Operation not supported): DELETE(26847744000, 1536). > > so I am guessing taht is ZFS trying to send a trim command to hast, and hast > does not support it. Have disabled zfs trim now, but thought it was > worth mentioning - I would have not expected zfs to be trying to issue > a trim command to an underlying device which doesnt support it. These > machines were rock solid under 8, and the only chnage I can see with 9 is > the trim support being added. > > cheers, > > -pete. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > ================================================ 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. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.