From owner-freebsd-geom@FreeBSD.ORG Wed Mar 4 13:25:38 2015 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E7D65D2 for ; Wed, 4 Mar 2015 13:25:38 +0000 (UTC) Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7C74D23D for ; Wed, 4 Mar 2015 13:25:38 +0000 (UTC) Received: by widem10 with SMTP id em10so30538428wid.5 for ; Wed, 04 Mar 2015 05:25:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=ybnjhxuFojMiW6S7gbUDcRSdmnD8Ymkt6SEKTOmlo8I=; b=HCixWGOB/RvqSsMhR0iXOPYsD03rNMZZxgYkrp42kkuWlJ2a5oQt19/YtTixXUz1kP bXngPBPt6MX7mGtkTg9KOX3OJuoLhS41E60sBu2YrKEsy1wcQ41CebRRegqrPj5VoiQl EeTq16UeiM07q1YEFlDI1Pglga/W+6Co7Uw15oAC37f7aB4U9n2rL1KUImJ0BAtd5AjP 8mb1U1iJBv35bpVvy/2TDbJRgqo6AyB7bXWsO6VOsgGyxsV+FjIB5ybAlUwzgXBo8fBv FWgsvNgoH6pHHPfUhszNZAW3iV3OIKTBhe8oJrh+GeuTIkN1y2MxBNc6fsoQsgAGTK/H IivQ== X-Gm-Message-State: ALoCoQlwORojUmsFJxoQC7jY8MzkoxLm4x6N70UcT+9EUOU2Cl/sVHluRRfMtQEdQLxtG/j2N8pS X-Received: by 10.194.185.68 with SMTP id fa4mr7565437wjc.111.1425475536237; Wed, 04 Mar 2015 05:25:36 -0800 (PST) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by mx.google.com with ESMTPSA id ka1sm5999936wjc.2.2015.03.04.05.25.34 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Mar 2015 05:25:35 -0800 (PST) Message-ID: <54F707CC.6070105@multiplay.co.uk> Date: Wed, 04 Mar 2015 13:25:32 +0000 From: Steven Hartland User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: freebsd-geom@freebsd.org Subject: Re: Trim on gmirrored SSDs is slow and results in inresponsive system References: <54F6FE2E.60303@bytecamp.net> In-Reply-To: <54F6FE2E.60303@bytecamp.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2015 13:25:39 -0000 Do you have one disk which has really slow TRIM? What's the output for: camcontrol identify grep quirks /var/run/dmesg.boot sysctl kern.cam |grep sort_io_queue Also how does gstat -d -p compare between gmirror and none gmirror installs on the same machine? Do you see high kernel CPU when the deletes are happening? Regards Steve On 04/03/2015 12:44, Robert Schulze wrote: > Hi, > > I just want to point to the bugreport of a problem we and at least > another one discovered. > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197516 > > Maybe this behaviour could be confirmed by others and narrowed down. > > with kind regards, > Robert Schulze > _______________________________________________ > freebsd-geom@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-geom > To unsubscribe, send any mail to "freebsd-geom-unsubscribe@freebsd.org"