From owner-freebsd-geom@FreeBSD.ORG Thu Mar 26 10:43:52 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 051D84CE for ; Thu, 26 Mar 2015 10:43:52 +0000 (UTC) Received: from mxout01.bytecamp.net (mxout01.bytecamp.net [212.204.60.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AB0BB1DA for ; Thu, 26 Mar 2015 10:43:51 +0000 (UTC) Received: by mxout01.bytecamp.net (Postfix, from userid 1001) id 25B4A30FCEE; Thu, 26 Mar 2015 11:35:05 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=bytecamp.net; h=message-id:date:from:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; s=20140709; bh=ledCeNHujOI5xhDYfuGO8u7RNB0=; b=MzoyA7rMW2v18jVdhJqIDZjHSu+wVyl1dCtd4FGbtP3dFiu95TH7bp2RNpXejJYV6ynL2+np/tqQzdJtplbkIlmMchewaiBptLa6o6+X5Eky1avQ0x5+y3UOASCrslWsuc2qREaoGhFYWsRXGSSCiwvbWavCOhjE2a9JzVuGtnA= Received: from mail.bytecamp.net (mailstore.bytecamp.net [212.204.60.20]) by mxout01.bytecamp.net (Postfix) with ESMTP id D107730FCFE for ; Thu, 26 Mar 2015 11:35:04 +0100 (CET) Received: (qmail 84453 invoked by uid 89); 26 Mar 2015 11:35:04 +0100 Received: from stella.bytecamp.net (HELO ?212.204.60.37?) (rs%bytecamp.net@212.204.60.37) by mail.bytecamp.net with AES128-SHA encrypted SMTP; 26 Mar 2015 11:35:04 +0100 Message-ID: <5513E0D8.60607@bytecamp.net> Date: Thu, 26 Mar 2015 11:35:04 +0100 From: Robert Schulze Organization: bytecamp GmbH User-Agent: Mozilla/5.0 (X11; Linux x86_64; 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> <54F707CC.6070105@multiplay.co.uk> <54F7147F.8070206@bytecamp.net> <54F718D9.1080201@multiplay.co.uk> <54F721BC.5070204@bytecamp.net> <54F72E39.2070105@multiplay.co.uk> <54F863C9.3070002@bytecamp.net> <54F86A06.4090301@multiplay.co.uk> <54F8734A.40409@bytecamp.net> <54F87A14.8070504@multiplay.co.uk> In-Reply-To: <54F87A14.8070504@multiplay.co.uk> Content-Type: text/plain; charset=windows-1252 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: Thu, 26 Mar 2015 10:43:52 -0000 Hi, Am 05.03.2015 um 16:45 schrieb Steven Hartland: > [...] > Thanks, I think we need to do some dtrace instrumentation, to get a > better picture of what's happening. > did you have a look into the dtrace-files? Is there anything which can be done to progress with the problem? with kind regards, Robert Schulze