From owner-freebsd-fs@freebsd.org Wed Jan 24 08:54:13 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2B2A4EC816E for ; Wed, 24 Jan 2018 08:54:12 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: from mail-io0-x234.google.com (mail-io0-x234.google.com [IPv6:2607:f8b0:4001:c06::234]) (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 5F8267F05B for ; Wed, 24 Jan 2018 08:54:12 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: by mail-io0-x234.google.com with SMTP id m11so4054466iob.2 for ; Wed, 24 Jan 2018 00:54:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=W3jTyBxjfrv89hOpkVQj603hCJQbOdA6AnuKt49xgpM=; b=FSQdxpDVv397ZGarmoATDbif9OXrv+yj1R6TX0pKQVVtyh7twQ+WGpKHKFa7Xh48pJ Sa2/CB+NMop+1G5/ui3/vlH2nhgw4KiMm0OUAUv+PK9wV0SmVpFH5okf5q6NkzzeImBJ MWAkIOvxaQWco5g/TQE696CpNdJilFuraW8Acg8AxIgEl2PWSGb+JGWEME0gV7VIsFid RAQXi7Pp071GPHCxsOZiQj2AAUnT2wUxNrpkIzS59XcuaA77xNXHvaZBYE+yoe81aiz4 IYijxT2rLqssSM2Vm4UW+L/W2gU7VZs7e8GVlPw52Gc4XP+MxZH21/lMIE5iVoVNiiBO LnZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=W3jTyBxjfrv89hOpkVQj603hCJQbOdA6AnuKt49xgpM=; b=DCVMIgpaX0hWYR/Ojywu33UPECYvDgaALy1xbqFEI7JhERYkyJAeVEZ8FxEVpWRuSP MvdzMGjkKbMBssbqWsKx1Quw2q2xroRNN+NwQ3NHsW+UPH8oKH+12PHIPNAWw+Z0Z7ye suzXfwbpFt2eVBfcq5vqPZTPkh7BBxur6UGPff4osHsIVTPBIu5HJ9s2aEF0uXNMI/2E /Ue3ukdYkw03S5r44QI0KmN9/hYHx8gOWGpjn/vc4W3VzWZijGk6tf918adKWSIP/fKL XV8O1pn+qD/5cQ7pTKIfYO5sdFcP1KYAL4qhQ+qjjl1lxgLV3qMVnz3uxXi2syxLHjEw 7G/Q== X-Gm-Message-State: AKwxytf0aKApPQU2yhSq0ANshiUP2nu3SEeMp5/K9QHK2/lej2NdUP0r cO5WMOLxIY6DNqC6dUi/d7Q3rtkdUvSSBNnFKBI= X-Google-Smtp-Source: AH8x224ZGfmUdUCXgJy3uHdtVFTdV/9zIgt9dmsu8+f55gUXH1uL2HsUJkSqhQqeA3To4KI89vNpOlszYVox1YIrO0o= X-Received: by 10.107.157.131 with SMTP id g125mr7620603ioe.5.1516784051841; Wed, 24 Jan 2018 00:54:11 -0800 (PST) MIME-Version: 1.0 Received: by 10.2.69.12 with HTTP; Wed, 24 Jan 2018 00:54:11 -0800 (PST) In-Reply-To: <04466c21-dfe4-4f27-a03e-da269b467bd0@email.android.com> References: <04466c21-dfe4-4f27-a03e-da269b467bd0@email.android.com> From: krad Date: Wed, 24 Jan 2018 08:54:11 +0000 Message-ID: Subject: Re: Reducing ZFS fragmentation by copying to larger disk To: =?UTF-8?Q?Karli_Sj=C3=B6berg?= Cc: Mark Martinec , FreeBSD FS Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jan 2018 08:54:13 -0000 Before you start doing anything understand your daily/weekly deltas to the disk. If you write to it a lot % wise then the whole exercise of trying to defragment is going to be futile as it is COW storage, so anything you do will be undone fairly quickly. On 16 January 2018 at 16:59, Karli Sj=C3=B6berg via freebsd-fs < freebsd-fs@freebsd.org> wrote: > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >