From owner-freebsd-questions@FreeBSD.ORG Sat Aug 21 18:16:51 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 443C81065698 for ; Sat, 21 Aug 2010 18:16:51 +0000 (UTC) (envelope-from claudiu.vasadi@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id CFB898FC16 for ; Sat, 21 Aug 2010 18:16:50 +0000 (UTC) Received: by wwi18 with SMTP id 18so1666396wwi.31 for ; Sat, 21 Aug 2010 11:16:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=Ui1HeeDJ1INt5X89OncnSgutK2YPzc1bVsQRwtklgfo=; b=Kk0HTomnBDOcupO3wCXNHMPfN2Vitxy4ooDOYA1TtYdxBKWTiV5evrV3HYCdrrsJ0S pJB0uoKgCbyR+B1i4Urzty19wG4aDkVL3vQzHdXLn8A8qqoZcZs7Le9dLBol2QvLgDtI w1S++BPXM/stByXKgA1ciD8soksybitRHIqLc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=stM8a2KoWp7td53uhfM3nlPspKov2x0UQm6LVN1h6pJOiZUy+ine95nj5URLcdGhBn uAORv7F1pjhbJISMPKaAFUtx5Y60GXzcbAc+uNHHprMrzgrYh4bEHmSLCP/5eifd7/B5 2SQAFAh97bdMzXS0AdMOo0LlBYmTlQOGplVpA= MIME-Version: 1.0 Received: by 10.216.5.13 with SMTP id 13mr748268wek.91.1282414609655; Sat, 21 Aug 2010 11:16:49 -0700 (PDT) Received: by 10.216.179.201 with HTTP; Sat, 21 Aug 2010 11:16:49 -0700 (PDT) In-Reply-To: <4C701170.9080306@stefreak.de> References: <4C701170.9080306@stefreak.de> Date: Sat, 21 Aug 2010 20:16:49 +0200 Message-ID: From: claudiu vasadi To: Steffen Neubauer Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD Subject: Re: IO fluctuation X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Aug 2010 18:16:51 -0000 Hello Steffen, How did you setup your drives in ZFS ? stripe ? what bsd version do you have and what platform ? Do you see this big fluctuation when copying some big file like say and iso or movie ?